c#使用热键实现程序窗口隐藏示例
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];
}
}
}
}
相关文章
- 简单点说就是为程序制定快捷键勒。。很多软件都带热键功能的,通过以下方式可以实现2个键或3个键的快捷键,相当之使用,具体实现方法看后文吧。...2020-06-25
- 本篇文章是对使用C#实现快捷键(系统热键)响应的方法进行了详细的分析介绍,需要的朋友参考下...2020-06-25
- 最近在做项目中遇到需要增加个老板键功能,找一惯的方式,开始从网络下手寻找: 关键字类似”C# 老板键“,一搜,一堆又一堆,然而出来的代码大多数都不是太合适,下面给大家分享下自己的解决方案已经一个网友的解决方案,有需要的小伙伴可以参考下。...2020-06-25
- 这篇文章主要介绍了C#全局热键设置与窗体热键设置实例,对C#全局热键设置与窗体热键设置的实现方法与具体代码进行了详细的介绍,需要的朋友可以参考下...2020-06-25
- 这篇文章主要介绍了C#通过热键控制显示器开关的方法,涉及C#针对热键的操作技巧,非常具有实用价值,需要的朋友可以参考下...2020-06-25
- 下面我们将演示如何通过热键隐藏窗口,会用到DllImports of Win32 API、CallBacks/Delegates,定制事件与事件的句柄,大家参考使用吧友...2020-06-25
- 这篇文章主要介绍了C#编程实现自定义热键的方法,涉及C#键盘按键设置的相关技巧,具有一定参考借鉴价值,需要的朋友可以参考下...2020-06-25