设置热键隐藏指定窗口代码,CSharp代码库,德仔网

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【CSharp】设置热键隐藏指定窗口
作者:niuniu / 发布于2014/8/10/ 770

	using System;
	using System.Text;
	using System.Collections;
	using System.Runtime.InteropServices;
	
	namespace WindowHider
	{
	 /// <summary>
	 /// Object used to control a Windows Form.
	 /// </summary>
	 public class Window
	 {
	 /// <summary>
	 /// Win32 API Imports
	 /// </summary>
	 [DllImport("user32.dll")] private static extern
	 bool ShowWindowAsync(IntPtr hWnd, int nCmdShow);
	 [DllImport("user32.dll")] private static extern
	 bool SetForegroundWindow(IntPtr hWnd);
	 [DllImport("user32.dll")] private static extern
	 bool IsIconic(IntPtr hWnd);
	 [DllImport("user32.dll")] private static extern
	 bool IsZoomed(IntPtr hWnd);
	 [DllImport("user32.dll")] private static extern
	 IntPtr GetForegroundWindow();
	 [DllImport("user32.dll")] private static extern
	 IntPtr GetWindowThreadProcessId(IntPtr hWnd, IntPtr ProcessId);
	 [DllImport("user32.dll")] private static extern
	 IntPtr AttachThreadInput(IntPtr idAttach, IntPtr idAttachTo, int fAttach);
	
	 /// <summary>
	 /// Win32 API Constants for ShowWindowAsync()
	 /// </summary>
	 private const int SW_HIDE = 0;
	 private const int SW_SHOWNORMAL = 1;
	 private const int SW_SHOWMINIMIZED = 2;
	 private const int SW_SHOWMAXIMIZED = 3;
	 private const int SW_SHOWNOACTIVATE = 4;
	 private const int SW_RESTORE = 9;
	 private const int SW_SHOWDEFAULT = 10;
	
	 /// <summary>
	 /// Private Fields
	 /// </summary>
	 private IntPtr m_hWnd;
	 private string m_Title;
	 private bool m_Visible = true;
	 private string m_Process;
	 private bool m_WasMax = false;
	
	 /// <summary>
	 /// Window Object's Public Properties
	 /// </summary>
	 public IntPtr hWnd
	 {
	 get{return m_hWnd;}
	 }
	 public string Title
	 {
	 get{return m_Title;}
	 }
	 public string Process
	 {
	 get{return m_Process;}
	 }
	
	 /// <summary>
	 /// Sets this Window Object's visibility
	 /// </summary>
	 public bool Visible
	 {
	 get{return m_Visible;}
	 set
	 {
	 //show the window
	 if(value == true)
	 {
	 if(m_WasMax)
	 {
	 if(ShowWindowAsync(m_hWnd,SW_SHOWMAXIMIZED))
	 m_Visible = true;
	 }
	 else
	 {
	 if(ShowWindowAsync(m_hWnd,SW_SHOWNORMAL))
	 m_Visible = true;
	 }
	 }
	 //hide the window
	 if(value == false)
	 {
	 m_WasMax = IsZoomed(m_hWnd);
	 if(ShowWindowAsync(m_hWnd,SW_HIDE))
	 m_Visible = false;
	 }
	 }
	 }
	
	 /// <summary>
	 /// Constructs a Window Object
	 /// </summary>
	 /// <param name="Title">Title Caption</param>
	 /// <param name="hWnd">Handle</param>
	 /// <param name="Process">Owning Process</param>
	 public Window(string Title, IntPtr hWnd, string Process)
	 {
	 m_Title = Title;
	 m_hWnd = hWnd;
	 m_Process = Process;
	 }
	
	 //Override ToString()
	 public override string ToString()
	 {
	 //return the title if it has one, if not return the process name
	 if (m_Title.Length > 0)
	 {
	 return m_Title;
	 }
	 else
	 {
	 return m_Process;
	 }
	 }
	
	 /// <summary>
	 /// Sets focus to this Window Object
	 /// </summary>
	 public void Activate()
	 {
	 if(m_hWnd == GetForegroundWindow())
	 return;
	
	 IntPtr ThreadID1 = GetWindowThreadProcessId(GetForegroundWindow(),
	 IntPtr.Zero);
	 IntPtr ThreadID2 = GetWindowThreadProcessId(m_hWnd,IntPtr.Zero);
	
	 if (ThreadID1 != ThreadID2)
	 {
	 AttachThreadInput(ThreadID1,ThreadID2,1);
	 SetForegroundWindow(m_hWnd);
	 AttachThreadInput(ThreadID1,ThreadID2,0);
	 }
	 else
	 {
	 SetForegroundWindow(m_hWnd);
	 }
	
	 if (IsIconic(m_hWnd))
	 {
	 ShowWindowAsync(m_hWnd,SW_RESTORE);
	 }
	 else
	 {
	 ShowWindowAsync(m_hWnd,SW_SHOWNORMAL);
	 }
	 }
	 }
	
	 /// <summary>
	 /// Collection used to enumerate Window Objects
	 /// </summary>
	 public class Windows : IEnumerable, IEnumerator
	 {
	 /// <summary>
	 /// Win32 API Imports
	 /// </summary>
	 [DllImport("user32.dll")] private static extern
	 int GetWindowText(int hWnd, StringBuilder title, int size);
	 [DllImport("user32.dll")] private static extern
	 int GetWindowModuleFileName(int hWnd, StringBuilder title, int size);
	 [DllImport("user32.dll")] private static extern
	 int EnumWindows(EnumWindowsProc ewp, int lParam);
	 [DllImport("user32.dll")] private static extern
	 bool IsWindowVisible(int hWnd);
	
	 //delegate used for EnumWindows() callback function
	 public delegate bool EnumWindowsProc(int hWnd, int lParam);
	
	 private int m_Position = -1; // holds current index of wndArray,
	 // necessary for IEnumerable
	
	 ArrayList wndArray = new ArrayList(); //array of windows
	
	 //Object's private fields
	 private bool m_invisible = false;
	 private bool m_notitle = false;
	
	 /// <summary>
	 /// Collection Constructor with additional options
	 /// </summary>
	 /// <param name="Invisible">Include invisible Windows</param>
	 /// <param name="Untitled">Include untitled Windows</param>
	 public Windows(bool Invisible, bool Untitled)
	 {
	 m_invisible = Invisible;
	 m_notitle = Untitled;
	
	 //Declare a callback delegate for EnumWindows() API call
	 EnumWindowsProc ewp = new EnumWindowsProc(EvalWindow);
	 //Enumerate all Windows
	 EnumWindows(ewp, 0);
	 }
	 /// <summary>
	 /// Collection Constructor
	 /// </summary>
	 public Windows()
	 {
	 //Declare a callback delegate for EnumWindows() API call
	 EnumWindowsProc ewp = new EnumWindowsProc(EvalWindow);
	 //Enumerate all Windows
	 EnumWindows(ewp, 0);
	 }
	 //EnumWindows CALLBACK function
	 private bool EvalWindow(int hWnd, int lParam)
	 {
	 if (m_invisible == false && !IsWindowVisible(hWnd))
	 return(true);
	
	 StringBuilder title = new StringBuilder(256);
	 StringBuilder module = new StringBuilder(256);
	
	 GetWindowModuleFileName(hWnd, module, 256);
	 GetWindowText(hWnd, title, 256);
	
	 if (m_notitle == false && title.Length == 0)
	 return(true);
	
	 wndArray.Add(new Window(title.ToString(), (IntPtr)hWnd,
	 module.ToString()));
	
	 return(true);
	 }
	
	 //implement IEnumerable
	 public IEnumerator GetEnumerator()
	 {
	 return (IEnumerator)this;
	 }
	 //implement IEnumerator
	 public bool MoveNext()
	 {
	 m_Position++;
	 if (m_Position < wndArray.Count)
	{
	return true;
	}
	else
	{
	return false;
	}
	}
	public void Reset()
	{
	m_Position = -1;
	}
	public object Current
	{
	get
	{
	return wndArray[m_Position];
	}
	}
	}
	}
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