Win32API.cs
author sl
Sat, 14 Jun 2014 12:51:25 +0200
changeset 0 f6eca6facd07
permissions -rw-r--r--
First contrib.
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//=============================================================================
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// COPYRIGHT: Prosoft-Lanz
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//=============================================================================
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//
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// $Workfile: Win32API.cs $
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//
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// PROJECT : CodeProject Components
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// VERSION : 1.00
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// CREATION : 19.02.2003
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// AUTHOR : JCL
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//
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// DETAILS : This class implement Win32 API calls
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//           and the contants used for these calls.
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//
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//-----------------------------------------------------------------------------
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using System;
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using System.Text;
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using System.Drawing;
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using System.Windows.Forms;
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using System.Runtime.InteropServices;
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namespace CodeProject.Win32API
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{
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	///////////////////////////////////////////////////////////////////////
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	#region Generic declarations
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	/// <summary>
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	/// Rectangle parameters exposed as a structure.
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	/// </summary>
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	public struct RECT
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	{
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		/// <summary>
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		/// Rectangle members.
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		/// </summary>
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		public int left, top, right, bottom;
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	}
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	#endregion
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	///////////////////////////////////////////////////////////////////////
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	#region Util class
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	/// <summary>
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	/// Utility functions.
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	/// </summary>
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	public sealed class API
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	{
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		private API() {}	// To remove the constructor from the documentation!
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		/// <summary>
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		/// Get true multiscreen size.
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		/// </summary>
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		public static Rectangle TrueScreenRect
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		{
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			get
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			{
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				// get the biggest screen area
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				Rectangle rectScreen = Screen.PrimaryScreen.WorkingArea;
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				int left = rectScreen.Left;
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				int top = rectScreen.Top;
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				int right = rectScreen.Right;
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				int bottom = rectScreen.Bottom;
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				foreach (Screen screen in Screen.AllScreens)
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				{
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					left = Math.Min(left, screen.WorkingArea.Left);
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					right = Math.Max(right, screen.WorkingArea.Right);
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					top = Math.Min(top, screen.WorkingArea.Top);
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					bottom = Math.Max(bottom, screen.WorkingArea.Bottom);
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				}
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				return new Rectangle(left, top, right-left, bottom-top);
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			}
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		}
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	}
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	#endregion
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	///////////////////////////////////////////////////////////////////////
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	#region USER32 class
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	/// <summary>
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	/// Class to expose USER32 API functions.
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	/// </summary>
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	public sealed class USER32
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	{
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		private USER32() {}	// To remove the constructor from the documentation!
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		[DllImport("user32", CharSet = CharSet.Auto, CallingConvention = CallingConvention.StdCall)]
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		internal static extern int GetWindowRect(IntPtr hWnd, ref RECT rect);
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		[DllImport("user32", CharSet = CharSet.Auto, CallingConvention = CallingConvention.StdCall)]
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		internal static extern int MoveWindow(IntPtr hWnd, int x, int y, int w, int h, int repaint);
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		[DllImport("user32", CharSet = CharSet.Auto, CallingConvention = CallingConvention.StdCall)]
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		internal static extern IntPtr GetActiveWindow();
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		[DllImport("user32", CharSet = CharSet.Auto, CallingConvention = CallingConvention.StdCall)]
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		internal static extern int GetClassName(IntPtr hwnd, StringBuilder lpClassName, int nMaxCount);
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	}
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	#endregion
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}