怎样才可以在任何地方按快捷键,我的c#程序都能接收得到? 怎样才可以在任何地方按快捷键,我的c#程序都能接收得到?谢谢!!!!!!!!!!!!!!!! 解决方案 » 免费领取超大流量手机卡,每月29元包185G流量+100分钟通话, 中国电信官方发货 用钩子 钩子哦 例子如下通过热键隐藏/显示窗口,以前看到用钩子做过,下面的这个方法也好像挺好的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]; } } } } 我不建议使用Hook来实现,用如下的方法:Application.AddMessageFilter(IMessageFilter); hbxtlhx(平民百姓) 的方式有点问题,比如在其他程序界面无法响应按键; 太麻烦了,楼主加入这个代码就行了 protected override bool ProcessCmdKey( ref Message msg, Keys e ) { MessageBox.Show("Catched"); return false; } 到www.codeproject.com找RuntimeObjectEditor的代码看看,可以实现。RuntimeObjectEditor是个很好用的程序:) RuntimeObjectEditor里面有一个DLL,叫wfspyhook,也有代码 系统热键不行吗?!RegisterHotKey KeyHook,-----------------------祝个位师兄Happy new Year!jf 参考http://community.csdn.net/Expert/topic/5239/5239299.xml?temp=.2025873 最簡單的辦法是就定義一個Menu,對Menu定義一個快捷項,然後添加到你想要的窗體中去。 WPF:求教如何注销一个控件上的指定事件? 关于外网信息展示与后台维护的开发(只要有帮助的必然给分) 调用一个exe程序不让显示界面就是静默的效果 菜鸟问问题,分多问题菜 ASP.Net网站一定要上传.CS文件吗? text拉动问题求助 c# XML问题 如何在程序中實現象VS2003那樣功能強大的幫助功能。 文档问题,急,在线等 请问这两行 VB.NET怎样转为 C#? (!!高分求助!!) ftp中的超时问题 消息队列长时间运行,出现“执行操作所需的资源不足。”
例子如下
通过热键隐藏/显示窗口,以前看到用钩子做过,下面的这个方法也好像挺好的
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];
}
}
}
}
protected override bool ProcessCmdKey( ref Message msg, Keys e )
{
MessageBox.Show("Catched");
return false;
}
RuntimeObjectEditor是个很好用的程序:)
RegisterHotKey
祝个位师兄Happy new Year!jf