initial checkin of yaulw (locally)
This commit is contained in:
Donald Duck
482
@integrate/MsgBox.cs
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482
@integrate/MsgBox.cs
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@@ -0,0 +1,482 @@
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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using Watchdog.WatchdogLib.Win32;
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using System.Windows.Forms;
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using System.Drawing;
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using System.ComponentModel;
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using WPFWin = System.Windows;
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using WPFWinInterop = System.Windows.Interop;
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namespace Watchdog.WatchdogLib.WinForms
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{
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/// <summary>
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/// MsgBox is a WindowsForms MessageBox that can be centered to the Parent
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/// </summary>
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public static class MsgBox
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{
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#region Private Static Members
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private static User32.WindowsHookProc _hookProcDelegate = null;
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private static int _hHook = 0;
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private static string _title = null;
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private static string _msg = null;
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private static IntPtr _hIcon = IntPtr.Zero;
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private static bool _IsDesktopOwner = false;
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private static bool _ShowFatal = false;
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// Delegate to make All Message Boxes Thread-Safe
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private delegate DialogResult ShowMsgBoxDelegate(IWin32Window parent, String Title, String Text, MessageBoxButtons MsgBoxButtons, MessageBoxIcon MsgBoxIcon, Icon TitleBarIcon);
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#endregion
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#region Public Properties
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public static Icon DefaultTitleBarIcon { get; set; }
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public static uint MaxNumberOfCharactersPerLine { get; set; }
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public const uint DefaultNumberOfCharactersPerLine = 62;
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#endregion
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#region Public Header Properties
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public static bool ShowHeader { get; set; }
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public static string MsgBox_ErrorHeader { get; set; }
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public static string MsgBox_FatalErrorHeader { get; set; }
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public static string MsgBox_WarningHeader { get; set; }
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public static string MsgBox_InfoHeader { get; set; }
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#endregion
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#region Public Footer Properties
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public static bool ShowFooter { get; set; }
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public static string MsgBox_ErrorFooter { get; set; }
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public static string MsgBox_FatalErrorFooter { get; set; }
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public static string MsgBox_WarningFooter { get; set; }
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public static string MsgBox_InfoFooter { get; set; }
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#endregion
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#region Public Title Header Properties
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public static bool ShowTitleHeader { get; set; }
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public static string MsgBox_ErrorTitleHeader { get; set; }
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public static string MsgBox_FatalErrorTitleHeader { get; set; }
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public static string MsgBox_WarningTitleHeader { get; set; }
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public static string MsgBox_InfoTitleHeader { get; set; }
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#endregion
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#region Construction
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static MsgBox()
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{
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DefaultTitleBarIcon = null;
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MaxNumberOfCharactersPerLine = DefaultNumberOfCharactersPerLine;
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// Header Init
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MsgBox_FatalErrorHeader = String.Empty;
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MsgBox_ErrorHeader = String.Empty;
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MsgBox_WarningHeader = String.Empty;
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MsgBox_InfoHeader = String.Empty;
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ShowHeader = true;
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// Footer Init
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MsgBox_FatalErrorFooter = String.Empty;
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MsgBox_ErrorFooter = String.Empty;
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MsgBox_WarningFooter = String.Empty;
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MsgBox_InfoFooter = String.Empty;
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ShowFooter = true;
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// Title Header Init
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MsgBox_FatalErrorTitleHeader = String.Empty;
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MsgBox_ErrorTitleHeader = String.Empty;
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MsgBox_WarningTitleHeader = String.Empty;
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MsgBox_InfoTitleHeader = String.Empty;
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ShowTitleHeader = true;
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}
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#endregion
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#region Public Static Methods
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/// <summary>
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/// Shows a custom Message Box (centered to parent), with the DefaultTitleBarIcon
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/// </summary>
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public static DialogResult Show(WPFWin.Window parent, String Title, String Text, MessageBoxButtons MsgBoxButtons, MessageBoxIcon MsgBoxIcon)
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{
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if (parent != null)
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{
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WPFWinInterop.WindowInteropHelper interop = new WPFWinInterop.WindowInteropHelper(parent);
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if(interop.Handle != IntPtr.Zero)
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return Show(Watchdog.WatchdogLib.Win32.Convert.ConverthWndToIWin32Window(interop.Handle), Title, Text, MsgBoxButtons, MsgBoxIcon, DefaultTitleBarIcon);
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}
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return Show(Functions.GetDestopWindow(), Title, Text, MsgBoxButtons, MsgBoxIcon, DefaultTitleBarIcon);
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}
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/// <summary>
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/// Shows a custom Message Box (centered to parent), with the DefaultTitleBarIcon
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/// </summary>
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public static DialogResult Show(IWin32Window parent, String Title, String Text, MessageBoxButtons MsgBoxButtons, MessageBoxIcon MsgBoxIcon)
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{
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return Show(parent, Title, Text, MsgBoxButtons, MsgBoxIcon, DefaultTitleBarIcon);
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}
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/// <summary>
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/// Shows a custom Message Box (centered to Desktop), with the DefaultTitleBarIcon
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/// </summary>
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public static DialogResult Show(String Title, String Text, MessageBoxButtons MsgBoxButtons, MessageBoxIcon MsgBoxIcon)
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{
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return Show(Functions.GetDestopWindow(), Title, Text, MsgBoxButtons, MsgBoxIcon, DefaultTitleBarIcon);
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}
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/// <summary>
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/// *Main MessageBox Show Function* allows you to center the Message Box to the Parent
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/// </summary>
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/// <returns>Result of Dialog </returns>
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public static DialogResult Show(IWin32Window parent, String Title, String Text, MessageBoxButtons MsgBoxButtons, MessageBoxIcon MsgBoxIcon, Icon TitleBarIcon)
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{
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ISynchronizeInvoke InvokeObject = null;
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if (parent != null && parent is ISynchronizeInvoke)
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InvokeObject = (ISynchronizeInvoke)parent;
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// Invoke if we need to * Make MessageBoxes generally Thread-safe *
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if ((InvokeObject != null) && InvokeObject.InvokeRequired)
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{
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DialogResult result = (DialogResult)InvokeObject.Invoke(new ShowMsgBoxDelegate(MsgBox.Show), new object[] { parent, Title, Text, MsgBoxButtons, MsgBoxIcon, TitleBarIcon });
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return result;
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}
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else
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{
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return MsgBox.ShowInternal(parent, Text, Title, MsgBoxButtons, MsgBoxIcon, TitleBarIcon);
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}
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}
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#endregion
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#region Public Static Methods Extended
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/// <summary>
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/// Shows Warning MessageBox
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/// </summary>
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//public static DialogResult ShowWarning(IWin32Window parent, String Text, String Title = "", MessageBoxButtons MsgBoxButtons = MessageBoxButtons.OK)
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public static DialogResult ShowWarning(IWin32Window parent, String Text, String Title, MessageBoxButtons MsgBoxButtons)
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{
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return Show(parent, Title, Text, MsgBoxButtons, MessageBoxIcon.Exclamation);
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}
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/// <summary>
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/// Shows Warning MessageBox
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/// </summary>
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//public static DialogResult ShowWarning(String Text, String Title = "", MessageBoxButtons MsgBoxButtons = MessageBoxButtons.OK)
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public static DialogResult ShowWarning(String Text, String Title, MessageBoxButtons MsgBoxButtons)
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{
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return Show(Title, Text, MsgBoxButtons, MessageBoxIcon.Exclamation);
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}
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/// <summary>
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/// Shows Fatal Error MessageBox
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/// </summary>
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//public static DialogResult ShowFatalError(IWin32Window parent, String Text, String Title = "", MessageBoxButtons MsgBoxButtons = MessageBoxButtons.OK)
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public static DialogResult ShowFatalError(IWin32Window parent, String Text, String Title, MessageBoxButtons MsgBoxButtons)
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{
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_ShowFatal = true;
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DialogResult dr = Show(parent, Title, Text, MsgBoxButtons, MessageBoxIcon.Error);
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_ShowFatal = false;
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return dr;
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}
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/// <summary>
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/// Shows Fatal Error MessageBox
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/// </summary>
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//public static DialogResult ShowFatalError(String Text, String Title = "", MessageBoxButtons MsgBoxButtons = MessageBoxButtons.OK)
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public static DialogResult ShowFatalError(String Text, String Title, MessageBoxButtons MsgBoxButtons)
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{
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_ShowFatal = true;
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DialogResult dr = Show(Title, Text, MsgBoxButtons, MessageBoxIcon.Error);
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_ShowFatal = false;
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return dr;
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}
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/// <summary>
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/// Shows Error MessageBox
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/// </summary>
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//public static DialogResult ShowError(IWin32Window parent, String Text, String Title = "", MessageBoxButtons MsgBoxButtons = MessageBoxButtons.OK)
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public static DialogResult ShowError(IWin32Window parent, String Text, String Title, MessageBoxButtons MsgBoxButtons)
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{
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return Show(parent, Title, Text, MsgBoxButtons, MessageBoxIcon.Error);
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}
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/// <summary>
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/// Shows Error MessageBox
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/// </summary>
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//public static DialogResult ShowError(String Text, String Title = "", MessageBoxButtons MsgBoxButtons = MessageBoxButtons.OK)
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public static DialogResult ShowError(String Text, String Title, MessageBoxButtons MsgBoxButtons)
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{
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return Show(Title, Text, MsgBoxButtons, MessageBoxIcon.Error);
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}
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/// <summary>
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/// Shows Information MessageBox
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/// </summary>
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//public static DialogResult ShowInfo(IWin32Window parent, String Text, String Title = "", MessageBoxButtons MsgBoxButtons = MessageBoxButtons.OK)
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public static DialogResult ShowInfo(IWin32Window parent, String Text, String Title, MessageBoxButtons MsgBoxButtons)
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{
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return Show(parent, Title, Text, MsgBoxButtons, MessageBoxIcon.Information);
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}
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/// <summary>
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/// Shows Information MessageBox
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/// </summary>
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//public static DialogResult ShowInfo(String Text, String Title = "", MessageBoxButtons MsgBoxButtons = MessageBoxButtons.OK)
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public static DialogResult ShowInfo(String Text, String Title, MessageBoxButtons MsgBoxButtons)
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{
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return Show(Title, Text, MsgBoxButtons, MessageBoxIcon.Information);
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}
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/// <summary>
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/// Shows Default MessageBox
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/// </summary>
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//public static DialogResult ShowDefault(IWin32Window parent, String Text, String Title = "", MessageBoxButtons MsgBoxButtons = MessageBoxButtons.OK)
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public static DialogResult ShowDefault(IWin32Window parent, String Text, String Title, MessageBoxButtons MsgBoxButtons)
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{
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return Show(parent, Title, Text, MsgBoxButtons, MessageBoxIcon.None);
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}
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/// <summary>
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/// Shows Default MessageBox
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/// </summary>
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//public static DialogResult ShowDefault(String Text, String Title = "", MessageBoxButtons MsgBoxButtons = MessageBoxButtons.OK)
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public static DialogResult ShowDefault(String Text, String Title, MessageBoxButtons MsgBoxButtons)
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{
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return Show(Title, Text, MsgBoxButtons, MessageBoxIcon.None);
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}
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#endregion
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#region Private Methods
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/// <summary>
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///
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/// </summary>
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/// <param name="owner"></param>
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/// <param name="msg"></param>
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/// <param name="title"></param>
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/// <param name="btns"></param>
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/// <param name="icon"></param>
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/// <param name="TitleBarIcon"></param>
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/// <returns></returns>
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private static DialogResult ShowInternal(IWin32Window owner, string msg, string title, MessageBoxButtons btns, MessageBoxIcon icon, Icon TitleBarIcon)
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{
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// Create a callback delegate
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_hookProcDelegate = new User32.WindowsHookProc(HookCallback);
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#region Header Action
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if (ShowHeader)
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{
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if (icon == MessageBoxIcon.Error && !String.IsNullOrEmpty(MsgBox_FatalErrorHeader) && _ShowFatal)
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msg = MsgBox_FatalErrorHeader + msg;
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else if (icon == MessageBoxIcon.Error && !String.IsNullOrEmpty(MsgBox_ErrorHeader) && !_ShowFatal)
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msg = MsgBox_ErrorHeader + msg;
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else if (icon == MessageBoxIcon.Exclamation && !String.IsNullOrEmpty(MsgBox_WarningHeader))
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msg = MsgBox_WarningHeader + msg;
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else if (icon == MessageBoxIcon.Information && !String.IsNullOrEmpty(MsgBox_InfoHeader))
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msg = MsgBox_InfoHeader + msg;
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}
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#endregion
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#region Footer Action
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if (ShowFooter)
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{
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if (icon == MessageBoxIcon.Error && !String.IsNullOrEmpty(MsgBox_FatalErrorFooter) && _ShowFatal)
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msg = msg + MsgBox_FatalErrorFooter;
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else if (icon == MessageBoxIcon.Error && !String.IsNullOrEmpty(MsgBox_ErrorFooter) && !_ShowFatal)
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msg = msg + MsgBox_ErrorFooter;
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else if (icon == MessageBoxIcon.Exclamation && !String.IsNullOrEmpty(MsgBox_WarningFooter))
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msg = msg + MsgBox_WarningFooter;
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else if (icon == MessageBoxIcon.Information && !String.IsNullOrEmpty(MsgBox_InfoFooter))
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msg = msg + MsgBox_InfoFooter;
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}
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#endregion
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#region Title Header
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if (ShowTitleHeader)
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{
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if (icon == MessageBoxIcon.Error && !String.IsNullOrEmpty(MsgBox_FatalErrorTitleHeader) && _ShowFatal)
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title = MsgBox_FatalErrorTitleHeader + ((!String.IsNullOrEmpty(title)) ? (" (" + title + ")") : "");
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else if (icon == MessageBoxIcon.Error && !String.IsNullOrEmpty(MsgBox_ErrorTitleHeader) && !_ShowFatal)
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title = MsgBox_ErrorTitleHeader + ((!String.IsNullOrEmpty(title)) ? (" (" + title + ")") : "");
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else if (icon == MessageBoxIcon.Exclamation && !String.IsNullOrEmpty(MsgBox_WarningTitleHeader))
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title = MsgBox_WarningTitleHeader + ((!String.IsNullOrEmpty(title)) ? (" (" + title + ")") : "");
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else if (icon == MessageBoxIcon.Information && !String.IsNullOrEmpty(MsgBox_InfoTitleHeader))
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title = MsgBox_InfoTitleHeader + ((!String.IsNullOrEmpty(title)) ? (" (" + title + ")") : "");
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}
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#endregion
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#region Text Padding
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// Stripe last \n, if exists
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if (!String.IsNullOrEmpty(msg) && (msg.Length > 0) && (msg[msg.Length - 1] == '\n'))
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msg = msg.Remove(msg.Length - 1);
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// Make sure the text looks good, by using padding
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if (!String.IsNullOrEmpty(msg) && (msg.Length > 0) && (msg.Length < MaxNumberOfCharactersPerLine))
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{
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string[] lines = msg.Split('\n');
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StringBuilder sb = new StringBuilder();
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foreach (string line in lines)
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{
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sb.Append(line.PadRight((int)MaxNumberOfCharactersPerLine));
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sb.Append("\n");
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}
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msg = sb.ToString();
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}
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else if (!String.IsNullOrEmpty(msg) && (msg.Length > 0) && (msg.Length > MaxNumberOfCharactersPerLine))
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{
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// Incredible and amazing Padding code
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string[] lines = msg.Split('\n');
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StringBuilder sb = new StringBuilder();
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for (int i = 0; i < lines.Length; ++i)
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{
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if (lines[i].Length < MaxNumberOfCharactersPerLine)
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{
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sb.Append(lines[i].PadRight((int)MaxNumberOfCharactersPerLine));
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sb.Append("\n");
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}
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else if (lines[i].Length > MaxNumberOfCharactersPerLine)
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{
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// truncate
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for (int j = 0; j < lines[i].Length; j = j + (int)MaxNumberOfCharactersPerLine)
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{
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string strSub = lines[i].Substring(j, ((lines[i].Length - j) > (int)MaxNumberOfCharactersPerLine) ? (int)MaxNumberOfCharactersPerLine : (lines[i].Length - j));
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if (strSub.Length == (int)MaxNumberOfCharactersPerLine)
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{
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sb.Append(strSub);
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sb.Append("\n");
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}
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else
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{
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sb.Append(strSub.PadRight((int)MaxNumberOfCharactersPerLine));
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sb.Append("\n");
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}
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}
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}
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else
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{
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sb.Append(lines[i]);
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sb.Append("\n");
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}
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}
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// Write nicely formatted Message out
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msg = sb.ToString();
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}
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else
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{
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// do nothing, string is miracioulsy exactly correct
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}
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#endregion
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// Remember the title & message that we'll look for.
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// The hook sees *all* windows, so we need to make sure we operate on the right one.
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_msg = msg;
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_title = title;
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// if Owner is the Desktop Window
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_IsDesktopOwner = (owner.Handle == Functions.GetDestopWindow().Handle);
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// Icon could not be present
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if (TitleBarIcon != null)
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_hIcon = TitleBarIcon.ToBitmap().GetHicon();
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// Set the hook.
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// Suppress "GetCurrentThreadId() is deprecated" warning.
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// It's documented that Thread.ManagedThreadId doesn't work with SetWindowsHookEx()
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#pragma warning disable 0618
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_hHook = User32.SetWindowsHookEx(Definitions.WH_CBT, _hookProcDelegate, IntPtr.Zero, AppDomain.GetCurrentThreadId());
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#pragma warning restore 0618
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// Pop a standard MessageBox. The hook will center it.
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DialogResult rslt = DialogResult.None;
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if (_IsDesktopOwner)
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rslt = MessageBox.Show(_msg, _title, btns, icon);
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else
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rslt = MessageBox.Show(owner, _msg, _title, btns, icon);
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// Release hook, clean up (may have already occurred)
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Unhook();
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return rslt;
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}
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private static void Unhook()
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{
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User32.UnhookWindowsHookEx(_hHook);
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_hHook = 0;
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_hookProcDelegate = null;
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_msg = null;
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_title = null;
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}
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private static int HookCallback(int code, IntPtr wParam, IntPtr lParam)
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{
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int hHook = _hHook; // Local copy for CallNextHookEx() JIC we release _hHook
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// Look for HCBT_ACTIVATE, *not* HCBT_CREATEWND:
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// child controls haven't yet been created upon HCBT_CREATEWND.
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if (code == Definitions.HCBT_ACTIVATE)
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{
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string cls = Functions.GetWindowClassName(wParam);
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if (cls == "#32770") // MessageBoxes are Dialog boxes
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{
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string title = Functions.GetWindowText(wParam);
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string msg = Functions.GetDlgItemText(wParam, 0xFFFF); // -1 aka IDC_STATIC
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if ((title == _title) && (msg == _msg))
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{
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// Only Center the Window, if the Owner is NOT the Desktop
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if (!_IsDesktopOwner)
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CenterWindowOnParent(wParam);
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Unhook(); // Release hook - we've done what we needed
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||||
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||||
// Now we also want to set the Icon on the Dialog
|
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if (_hIcon != IntPtr.Zero)
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||||
{
|
||||
User32.SendMessage(wParam, (int)Definitions.WM.WM_SETICON, (IntPtr)1, _hIcon);
|
||||
User32.SendMessage(wParam, (int)Definitions.WM.WM_SETICON, (IntPtr)0, _hIcon);
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
return User32.CallNextHookEx(hHook, code, wParam, lParam);
|
||||
}
|
||||
|
||||
// Boilerplate window-centering code.
|
||||
// Split out of HookCallback() for clarity.
|
||||
private static void CenterWindowOnParent(IntPtr hChildWnd)
|
||||
{
|
||||
// Get child (MessageBox) size
|
||||
Structures.RECT rcChild = new Structures.RECT();
|
||||
User32.GetWindowRect(hChildWnd, out rcChild);
|
||||
int cxChild = rcChild.right - rcChild.left;
|
||||
int cyChild = rcChild.bottom - rcChild.top;
|
||||
|
||||
// Get parent (Form) size & location
|
||||
IntPtr hParent = User32.GetParent(hChildWnd);
|
||||
Structures.RECT rcParent = new Structures.RECT();
|
||||
User32.GetWindowRect(hParent, out rcParent);
|
||||
int cxParent = rcParent.right - rcParent.left;
|
||||
int cyParent = rcParent.bottom - rcParent.top;
|
||||
|
||||
// Center the MessageBox on the Form
|
||||
int x = rcParent.left + (cxParent - cxChild) / 2;
|
||||
int y = rcParent.top + (cyParent - cyChild) / 2;
|
||||
uint uFlags = 0x15; // SWP_NOSIZE | SWP_NOZORDER | SWP_NOACTIVATE;
|
||||
User32.SetWindowPos(hChildWnd, IntPtr.Zero, x, y, 0, 0, uFlags);
|
||||
}
|
||||
|
||||
#endregion
|
||||
}
|
||||
}
|
||||
Reference in New Issue
Block a user