在form裡加入以下**即可
protected override void wndproc(ref message m)
base.wndproc(ref m);
}public void sethotkey(keys c, bool bctrl, bool bshift, bool balt, bool bwindows)
else if (bshift)
else if (balt)
else if (bwindows)
nativewin32.registerhotkey(handle, 100, modifiers, c);
}public class nativewin32
[dllimport("user32.dll", charset = charset.auto)]
static public extern intptr getforegroundwindow();
[structlayout(layoutkind.sequential, charset = charset.auto)]
public struct stringbuffer
[dllimport("user32.dll", charset = charset.auto)]
public static extern int getwindowtext(intptr hwnd, out stringbuffer classname, int nmaxcount);
[dllimport("user32.dll", charset = charset.auto)]
public static extern int sendmessage(intptr hwnd, int msg, int wparam, int lparam);
[dllimport("user32.dll", charset = charset.auto)]
public static extern intptr sendmessage(intptr hwnd, int msg, int wparam, intptr lparam);
public const int wm_syscommand = 0x0112;
public const int sc_close = 0xf060;
public delegate bool enumthreadproc(intptr hwnd, intptr lparam);
[dllimport("user32.dll", charset = charset.auto)]
public static extern bool enumthreadwindows(int threadid, enumthreadproc pfnenum, intptr lparam);
[dllimport("user32.dll", charset = charset.auto)]
public static extern intptr findwindowex(intptr parent, intptr next, string sclassname, intptr swindowtitle);
[dllimport("user32.dll", setlasterror = true)]
public static extern bool registerhotkey(intptr hwnd,
int id,
keymodifiers fsmodifiers,
keys vk
);[dllimport("user32.dll", setlasterror = true)]
public static extern bool unregisterhotkey(intptr hwnd,
int id
);[flags()]
public enum keymodifiers
}
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