public void unhook()
{
if (globalKeyboardHook.callbackDelegate == null)
{
return;
}
globalKeyboardHook.UnhookWindowsHookEx(this.hhook);
globalKeyboardHook.callbackDelegate = (globalKeyboardHook.keyboardHookProc)null;
}
public void hook()
{
if (globalKeyboardHook.callbackDelegate != null)
{
throw new InvalidOperationException("Can't hook more than once");
}
IntPtr hInstance = globalKeyboardHook.LoadLibrary("User32");
globalKeyboardHook.callbackDelegate = new globalKeyboardHook.keyboardHookProc(this.hookProc);
this.hhook = globalKeyboardHook.SetWindowsHookEx(13, globalKeyboardHook.callbackDelegate, hInstance, 0U);
if (this.hhook == IntPtr.Zero)
{
throw new Win32Exception();
}
}
private static extern IntPtr SetWindowsHookEx(int idHook, globalKeyboardHook.keyboardHookProc callback, IntPtr hInstance, uint threadId);
public globalKeyboardHook()
{
this.khp = new globalKeyboardHook.keyboardHookProc(this.hookProc);
this.hook();
}
