获取当前系统的活动窗体和状态代码,CSharp代码库,德仔网

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【CSharp】获取当前系统的活动窗体和状态

作者:zgke / 发布于2014/7/29/ 717

目前获取的是句饼和窗体标题和最大化最小化状态.使用dataGridView1.DataSource = Tools.Sys.GetWindows.Load();使用静态的方法就可以了.


	using System;
	using System.Collections.Generic;
	using System.Text;
	using System.Runtime.InteropServices;
	namespace OpenCAD.Tools.Sys
	{
	
	 /// <summary>
	 /// 获取全部窗体
	 /// zgke@sina.com
	 /// 2008-12-24
	 /// </summary>
	 public class GetWindows
	 {
	 public class WindowsInfo
	 {
	 private IntPtr m_Handle;
	 /// <summary>
	 /// 句柄
	 /// </summary>
	 public IntPtr Handle { get { return m_Handle; } set { m_Handle = value; } }
	 private string m_Title;
	 /// <summary>
	 /// 标题
	 /// </summary>
	 public string Title { get { return m_Title; } set { m_Title = value; } }
	 private bool m_IsMinimzed;
	 /// <summary>
	 /// 是否最小
	 /// </summary>
	 public bool IsMinimzed { get { return m_IsMinimzed; } set { m_IsMinimzed = value; } }
	 private bool m_IsMaximized;
	 /// <summary>
	 /// 是否最大
	 /// </summary>
	 public bool IsMaximized { get { return m_IsMaximized; } set { m_IsMaximized = value; } }
	 public WindowsInfo()
	 {
	 m_Handle = IntPtr.Zero;
	 m_Title = "";
	 m_IsMinimzed = false;
	 m_IsMaximized = false;
	 }
	 public WindowsInfo(IntPtr p_Handle, string p_Title, bool p_IsMinimized, bool p_IsMaximized)
	 {
	 this.m_Handle = p_Handle;
	 this.m_Title = p_Title;
	 this.m_IsMinimzed = p_IsMinimized;
	 this.m_IsMaximized = p_IsMaximized;
	 }
	 }
	 private static IList<WindowsInfo> _WindowsList = new List<WindowsInfo>();
	 private static IntPtr _Statusbar;
	 public delegate bool EnumWindowsProc(IntPtr p_Handle, int p_Param);
	 private static bool NetEnumWindows(IntPtr p_Handle, int p_Param)
	 {
	 if (!API.IsWindowVisible(p_Handle))
	 return true;
	 StringBuilder _TitleString = new StringBuilder(256);
	 API.GetWindowText(p_Handle, _TitleString, 256);
	 if (string.IsNullOrEmpty(_TitleString.ToString()))
	 {
	 return true;
	 }
	 if (_TitleString.Length != 0 || (_TitleString.Length == 0) || p_Handle != _Statusbar)
	 {
	 _WindowsList.Add(new WindowsInfo(p_Handle, _TitleString.ToString(), API.IsIconic(p_Handle), API.IsZoomed(p_Handle)));
	 }
	 return true;
	 }
	 public static IList<WindowsInfo> Load()
	 {
	 _Statusbar = API.FindWindow("Shell_TrayWnd", "");
	 EnumWindowsProc _EunmWindows = new EnumWindowsProc(NetEnumWindows);
	 API.EnumWindows(_EunmWindows, 0);
	 return _WindowsList;
	 }
	 private class API
	 {
	 [DllImport("user32.dll")]
	 public static extern int EnumWindows(GetWindows.EnumWindowsProc ewp, int lParam);
	 [DllImport("user32.dll")]
	 public static extern bool IsWindowVisible(IntPtr hWnd);
	 [DllImport("user32.dll", SetLastError = true, CharSet = CharSet.Auto)]
	 public static extern int GetWindowText(IntPtr hWnd, StringBuilder lpString, int nMaxCount);
	 [DllImport("user32.dll")]
	 [return: MarshalAs(UnmanagedType.Bool)]
	 public static extern bool IsIconic(IntPtr hWnd);
	 [DllImport("user32.dll")]
	 public static extern bool IsZoomed(IntPtr hWnd);
	 [DllImport("user32.dll", SetLastError = true)]
	 public static extern IntPtr FindWindow(string lpClassName, string lpWindowName);
	 }
	 }
	
	
	}

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