private void OnSuccessfullUnhook()
{
this.keyboardProcessor = null;
this.handle = IntPtr.Zero;
this.keyData = Keys.None;
this.OnStateChanged(new StateChangedEventArgs(this.State));
}
public void InstallHook(Form window)
{
if (this.State == HookState.Uninstalled)
{
this.keyboardProcessor = new KeyboardMessageEventHandler(KeyboardProc);
this.handle = NativeExports.SetWindowsHookEx(NativeConstants.WH_KEYBOARD_LL, this.keyboardProcessor, IntPtr.Zero, 0);
if (this.handle == IntPtr.Zero)
{
this.keyboardProcessor = null;
var errorCode = NativeExports.GetLastError();
throw new Exception(ErrorCodeHelper.GetMessage(errorCode));
}
else
{
this.OnStateChanged(new StateChangedEventArgs(this.State));
}
}
}
