initial checkin of yaulw (locally)
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Donald Duck
388
Win32/Functions.cs
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388
Win32/Functions.cs
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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 System.Drawing;
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using System.Diagnostics;
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using System.Windows.Forms;
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using System.Runtime.InteropServices;
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using SysIO = System.IO;
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using Diag = System.Diagnostics;
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using Yaulw.Tools;
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namespace Yaulw.Win32
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{
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/// <remarks>
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/// Common Win32 .Net Wrapper Functions around Win32 for easier consumption by C#
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/// </remarks>
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public static class Functions
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{
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#region Byte / Word
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/// <summary>
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/// Returns the Low word of the specified int
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/// </summary>
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/// <param name="n">int to retrieve low word from</param>
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/// <returns>low word of the int</returns>
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public static int LOWORD(int n) { return (n & 0xffff); }
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/// <summary>
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/// Returns the Low byte of the specified int
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/// </summary>
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/// <param name="n">int to retrieve low byte from</param>
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/// <returns>low byte of the int</returns>
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public static int LOBYTE(int n) { return (n & 0xff); }
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/// <summary>
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/// Returns the High word of the specified int
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/// </summary>
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/// <param name="n">int to retrieve high word from</param>
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/// <returns>high word of the int</returns>
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public static int HIWORD(int n) { return ((n >> 16) & 0xffff); }
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/// <summary>
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/// Returns the High byte of the specified int
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/// </summary>
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/// <param name="n">int to retrieve high byte from</param>
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/// <returns>high byte of the int</returns>
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public static int HIBYTE(int n) { return ((n >> 8) & 0xff); }
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#endregion
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#region RGB
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/// <summary>
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/// Win32 RGB
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/// </summary>
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/// <param name="r">red value as int</param>
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/// <param name="g">green value as int</param>
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/// <param name="b">blue value as int</param>
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/// <returns>returns a Win32 RGB Value as int</returns>
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public static int RGB(int r, int g, int b)
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{
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int rs = r & 0xffff;
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int gs = (g << 8) & 0xffff;
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int bs = (b << 16) & 0xffff;
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return (rs | gs | bs);
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}
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/// <summary>
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/// Retrieve the Red Value from Win32 RGB Value
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/// </summary>
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/// <param name="rgbDWORD"></param>
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/// <returns>returns Red value</returns>
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public static int GetRValue(int rgbDWORD)
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{
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return LOBYTE(rgbDWORD);
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}
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/// <summary>
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/// Retrieve the Green Value from Win32 RGB Value
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/// </summary>
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/// <param name="rgbDWORD"></param>
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/// <returns>returns Green value</returns>
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public static int GetGValue(int rgbDWORD)
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{
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return (LOBYTE(rgbDWORD >> 8));
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}
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/// <summary>
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/// Retrieve the Blue Value from Win32 RGB Value
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/// </summary>
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/// <param name="rgbDWORD"></param>
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/// <returns>returns Blue value</returns>
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public static int GetBValue(int rgbDWORD)
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{
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return (LOBYTE(rgbDWORD >> 16));
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}
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#endregion
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#region Keyboard Functionallity
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/// <summary>
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/// Use this Function to determine whether the user is holding down a specified key
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/// </summary>
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/// <param name="vKey">VK such as Ctrl/Alt/Shift</param>
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/// <returns>true if pressed down, false otherwise</returns>
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public static bool IsKeyPressed(Definitions.VK vKey)
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{
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short retVal = User32.GetKeyState(vKey);
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return (retVal < 0);
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}
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#endregion
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#region ClientRect Functionallity
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/// <summary>
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/// Get a windows client rectangle
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/// </summary>
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/// <param name="hWnd">A Window Handle</param>
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/// <returns>A Rectangle</returns>
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public static Rectangle GetClientRect(IntPtr hWnd)
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{
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Structures.RECT rect = new Structures.RECT();
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User32.GetClientRect(hWnd, out rect);
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return Convert.RECTToRectangle(rect);
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}
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/// <summary>
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/// Get a windows rectangle
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/// </summary>
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/// <param name="hWnd">The Window handle</param>
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/// <returns>A Rectangle</returns>
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public static Rectangle GetWindowRect(IntPtr hWnd)
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{
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Structures.RECT rect = new Structures.RECT();
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User32.GetWindowRect(hWnd, out rect);
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return Convert.RECTToRectangle(rect);
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}
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/// <summary>
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/// Returns the Client Size, taking into account the Chrome width
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/// </summary>
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/// <param name="hWnd">A Window Handle</param>
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/// <returns>A Rectangle</returns>
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public static Rectangle GetAbsoluteClientRect(IntPtr hWnd)
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{
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Rectangle windowRect = GetWindowRect(hWnd);
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Rectangle clientRect = GetClientRect(hWnd);
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int chromeWidth = (int)((windowRect.Width - clientRect.Width) / 2);
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return new Rectangle(new Point(windowRect.X + chromeWidth, windowRect.Y + (windowRect.Height - clientRect.Height - chromeWidth)), clientRect.Size);
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}
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#endregion
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#region Window Functionallity
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/// <summary>
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/// Use this to get the name of a Window Class
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/// </summary>
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/// <param name="hWnd">A Window Handle</param>
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/// <returns>The name of the Window Class</returns>
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public static string GetWindowClassName(IntPtr hWnd)
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{
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StringBuilder ClassName = new StringBuilder(100);
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int nRet = User32.GetClassName(hWnd, ClassName, ClassName.Capacity);
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return ClassName.ToString();
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}
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/// <summary>
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/// Use this to get the text of a Window
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/// </summary>
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/// <param name="hWnd">A Window Handle</param>
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/// <returns>The window Text</returns>
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public static string GetWindowText(IntPtr hWnd)
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{
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int length = User32.GetWindowTextLength(hWnd);
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StringBuilder sb = new StringBuilder(length + 1);
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User32.GetWindowText(hWnd, sb, sb.Capacity);
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return sb.ToString();
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}
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/// <summary>
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/// Get the Window Text of a Dialog Item
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/// </summary>
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/// <param name="hDlg">handle to Dialog</param>
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/// <param name="nIDDlgItem">uint Dialog Item</param>
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/// <returns>Window Text from the Dialog Item</returns>
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public static string GetDlgItemText(IntPtr hDlg, int nIDDlgItem)
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{
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// Get the handle of the dialog item
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IntPtr hItem = User32.GetDlgItem(hDlg, nIDDlgItem);
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if (hItem == IntPtr.Zero)
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return String.Empty;
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return GetWindowText(hItem);
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}
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/// <summary>
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/// Use this to retrieve the Process Object for a specific Window Handle
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/// </summary>
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/// <param name="hWnd">A Window Handle</param>
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/// <returns>A valid Process object or Null if error occured</returns>
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public static System.Diagnostics.Process GetProcessFromWindowHandle(IntPtr hWnd)
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{
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int findPID = 0;
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User32.GetWindowThreadProcessId(hWnd, ref findPID);
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System.Diagnostics.Process process = null;
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try
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{
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if (findPID > 0)
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process = System.Diagnostics.Process.GetProcessById(findPID);
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}
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catch (ArgumentException) { /* ignore */ }
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return process;
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}
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/// <summary>
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/// Find the first top level window for the specified process
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/// </summary>
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/// <param name="pid">Process ID</param>
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/// <returns>the hWnd for the first Window of the specifed or IntPtr.Zero if none found</returns>
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public static IntPtr GetFirstTopLevelWindowForProcess(int pid)
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{
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IntPtr Result = IntPtr.Zero;
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// Enumerate the top-level windows
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User32.EnumWindowsProc proc = delegate(IntPtr hWnd, IntPtr lParam)
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{
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// Find the first Window that belongs to the specified Process
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if (User32.IsWindowVisible(hWnd) && (pid == GetProcessFromWindowHandle(hWnd).Id))
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{
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Result = hWnd;
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return false;
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}
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return true; // Keep Looking
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};
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User32.EnumWindows(proc, IntPtr.Zero);
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// yippie
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return Result;
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}
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/// <summary>
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///
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/// </summary>
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/// <param name="pid"></param>
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/// <returns></returns>
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public static IntPtr GetTopLevelChildWindowForProcess(int pid)
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{
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// To Do
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return IntPtr.Zero;
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}
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#endregion
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#region Desktop Window Functionallity
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/// <summary>
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/// Get's the Desktop Window as a Win32Window Object
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/// </summary>
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/// <returns>a Win32Window Object</returns>
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public static IWin32Window GetDestopWindow()
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{
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return Convert.ConverthWndToIWin32Window(User32.GetDesktopWindow());
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}
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/// <summary>
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/// Refreshes orphaned Icons in the Taskbar
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/// <seealso cref="http://stackoverflow.com/questions/74723/can-you-send-a-signal-to-windows-explorer-to-make-it-refresh-the-systray-icons"/>
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/// <seealso cref="http://malwareanalysis.com/CommunityServer/blogs/geffner/archive/2008/02/15/985.aspx"/>
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/// </summary>
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public static void RefreshTaskbarNotificationArea()
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{
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// Find the Notification Area
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IntPtr hNotificationArea = IntPtr.Zero;
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hNotificationArea = User32.FindWindowEx
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(User32.FW(User32.FW(User32.FW(IntPtr.Zero, "Shell_TrayWnd"), "TrayNotifyWnd"), "SysPager"),
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IntPtr.Zero,
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"ToolbarWindow32",
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"Notification Area");
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if (hNotificationArea == IntPtr.Zero || !User32.IsWindow(hNotificationArea))
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return;
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// Get the Client Rect of the Notification Area
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Structures.RECT r;
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User32.GetClientRect(hNotificationArea, out r);
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// Send Mouse Messages to the Notification Area
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for (int x = 0; x < r.right; x += 5)
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for (int y = 0; y < r.bottom; y += 5)
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User32.SendMessage(hNotificationArea, (int) Definitions.WM.WM_MOUSEMOVE, (IntPtr) 0, (IntPtr) ((y << 16) + x));
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}
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#endregion
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#region Process Kernel Functionallity
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// SetProcessDEPPolicy Helpers
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private delegate bool SetProcessDEPPolicy_Delegate(int dwFlags);
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private static SetProcessDEPPolicy_Delegate SetProcessPolicy = null;
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/// <summary>
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/// Use SetProcessDEPPolicy to set the DEP Policy for the currently running
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/// Process. This function checks to make sure that kernel32 has the function,
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/// before calling it. For Windows Systems that don't have DEP.
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/// </summary>
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/// <param name="dep">the specified dep to set</param>
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/// <returns>the return value of the SetProcessDEPPolicy, or false if it doesn't exist</returns>
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public static bool SetProcessDEPPolicy(Definitions.DEP dep)
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{
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IntPtr hKernel32 = Kernel32.LoadLibrary("Kernel32.dll"); // Get the DLL
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if (hKernel32 != IntPtr.Zero)
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{
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IntPtr procaddr = IntPtr.Zero;
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procaddr = Kernel32.GetProcAddress(hKernel32, "SetProcessDEPPolicy"); // Get the Function
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if (procaddr != null)
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{
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// Cast the Delegate
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SetProcessPolicy = (SetProcessDEPPolicy_Delegate)Marshal.GetDelegateForFunctionPointer(procaddr, typeof(SetProcessDEPPolicy_Delegate));
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// Call it * Disabling DEP *
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return SetProcessPolicy((int)dep);
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}
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}
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return false;
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}
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#endregion
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#region Short / Long FileName N' Path Conversions
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/// <summary>
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/// Converts a LongFileNameNPath (Modern Windows Path) into a ShortFileNPath (Old Dos 8.3)
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/// ~File Must exist on the system
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/// </summary>
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/// <param name="longFileNameNPath">Long (Modern Windows Path) FileNameNPath or Path</param>
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/// <returns>Old Dos 8.3 Path</returns>
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public static string GetShortFileNameNPathOrPath(string longFileNameNPathOrPath)
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{
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if (String.IsNullOrEmpty(longFileNameNPathOrPath))
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return String.Empty;
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// File MUST exist on the system * Otherwise conversions will fail *
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if(PathNaming.PathContainsFile(longFileNameNPathOrPath) && !SysIO.File.Exists(longFileNameNPathOrPath))
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return String.Empty;
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// Directory MUST exist on the system * Otherwise conversions will fail *
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if(!PathNaming.PathContainsFile(longFileNameNPathOrPath) && !SysIO.Directory.Exists(longFileNameNPathOrPath))
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return String.Empty;
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if (String.IsNullOrEmpty(longFileNameNPathOrPath) || !SysIO.Directory.Exists(longFileNameNPathOrPath))
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return "";
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StringBuilder sb = new StringBuilder(Definitions.MAX_PATH);
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Kernel32.GetShortPathName(longFileNameNPathOrPath, sb, sb.Capacity);
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return sb.ToString();
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}
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/// <summary>
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/// Converts a ShortFileNameNPath (Old Dos 8.3) into a long (Modern Windows Path)
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/// ~File Must exist on the system
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/// </summary>
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/// <param name="shortFileNameNPathOrPath">Old Dos 8.3 FileNameNPath or Path</param>
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/// <returns>new Modern Windows Path</returns>
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public static string GetLongFileNameNPathOrPath(string shortFileNameNPathOrPath)
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{
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if (String.IsNullOrEmpty(shortFileNameNPathOrPath))
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return String.Empty;
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// File MUST exist on the system * Otherwise conversions will fail *
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if (PathNaming.PathContainsFile(shortFileNameNPathOrPath) && !SysIO.File.Exists(shortFileNameNPathOrPath))
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return String.Empty;
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// Directory MUST exist on the system * Otherwise conversions will fail *
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if (!PathNaming.PathContainsFile(shortFileNameNPathOrPath) && !SysIO.Directory.Exists(shortFileNameNPathOrPath))
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return String.Empty;
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StringBuilder sb = new StringBuilder(Definitions.MAX_PATH);
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Kernel32.GetLongPathName(shortFileNameNPathOrPath, sb, sb.Capacity);
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return sb.ToString();
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}
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#endregion
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}
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}
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