C#实现老板键功能的代码
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2022-10-25 19:02:48
c#设置热键隐藏指定窗口的代码
using system;
using system.text;
using system.collections;
usi...
c#设置热键隐藏指定窗口的代码
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]; } } } }
再给大家分享一个其他网友的方法,也非常不错,详情请看注释。
using system; using system.collections.generic; using system.runtime.interopservices; using system.windows.forms; namespace drmaple { class hotkey { //如果函数执行成功,返回值不为0。 //如果函数执行失败,返回值为0。要得到扩展错误信息,调用getlasterror。 [dllimport("user32.dll", setlasterror = true)] public static extern bool registerhotkey( intptr hwnd, //要定义热键的窗口的句柄 int id, //定义热键id(不能与其它id重复) keymodifiers fsmodifiers, //标识热键是否在按alt、ctrl、shift、windows等键时才会生效 keys vk //定义热键的内容 ); [dllimport("user32.dll", setlasterror = true)] public static extern bool unregisterhotkey( intptr hwnd, //要取消热键的窗口的句柄 int id //要取消热键的id ); //定义了辅助键的名称(将数字转变为字符以便于记忆,也可去除此枚举而直接使用数值) [flags()] public enum keymodifiers { none = 0, alt = 1, ctrl = 2, shift = 4, windowskey = 8 } } } //简单说明一下: //“public static extern bool registerhotkey()”这个函数用于注册热键。由于这个函数需要引用user32.dll动态链接库后才能使用,并且 //user32.dll是非托管代码,不能用命名空间的方式直接引用,所以需要用“dllimport”进行引入后才能使用。于是在函数前面需要加上 //“[dllimport("user32.dll", setlasterror = true)]”这行语句。 //“public static extern bool unregisterhotkey()”这个函数用于注销热键,同理也需要用dllimport引用user32.dll后才能使用。 //“public enum keymodifiers{}”定义了一组枚举,将辅助键的数字代码直接表示为文字,以方便使用。这样在调用时我们不必记住每一个辅 //助键的代码而只需直接选择其名称即可。 //(2)以窗体forma为例,介绍hotkey类的使用 //在forma的activate事件中注册热键,本例中注册shift+s,ctrl+z,alt+d这三个热键。这里的id号可任意设置,但要保证不被重复。 private void form_activated(object sender, eventargs e) { //注册热键shift+s,id号为100。hotkey.keymodifiers.shift也可以直接使用数字4来表示。 hotkey.registerhotkey(handle, 100, hotkey.keymodifiers.shift, keys.s); //注册热键ctrl+b,id号为101。hotkey.keymodifiers.ctrl也可以直接使用数字2来表示。 hotkey.registerhotkey(handle, 101, hotkey.keymodifiers.ctrl, keys.b); //注册热键alt+d,id号为102。hotkey.keymodifiers.alt也可以直接使用数字1来表示。 hotkey.registerhotkey(handle, 102, hotkey.keymodifiers.alt, keys.d); } //在forma的leave事件中注销热键。 private void frmsale_leave(object sender, eventargs e) { //注销id号为100的热键设定 hotkey.unregisterhotkey(handle, 100); //注销id号为101的热键设定 hotkey.unregisterhotkey(handle, 101); //注销id号为102的热键设定 hotkey.unregisterhotkey(handle, 102); } 重载froma中的wndproc函数 /// /// 监视windows消息 /// 重载wndproc方法,用于实现热键响应 /// /// protected override void wndproc(ref message m) { const int wm_hotkey = 0x0312; //按快捷键 switch (m.msg) { case wm_hotkey: switch (m.wparam.toint32()) { case 100: //按下的是shift+s //此处填写快捷键响应代码 break; case 101: //按下的是ctrl+b //此处填写快捷键响应代码 break; case 102: //按下的是alt+d //此处填写快捷键响应代码 break; } break; } base.wndproc(ref m); }
以上所述就是本文的全部内容了,希望对大家学习c#能够有所帮助。