public GlobalKeyboardHookEventArgs(
Win32.LowLevelKeyboardInputEvent keyboardData,
Win32.KeyboardState keyboardState)
{
KeyboardData = keyboardData;
KeyboardState = keyboardState;
}
public IntPtr LowLevelKeyboardProc(int nCode, IntPtr wParam, IntPtr lParam)
{
bool fEatKeyStroke = false;
//
var wparamTyped = wParam.ToInt32();
if (Enum.IsDefined(typeof(Win32.KeyboardState), wparamTyped))
{
object o = Marshal.PtrToStructure(lParam, typeof(Win32.LowLevelKeyboardInputEvent));
Win32.LowLevelKeyboardInputEvent p = (Win32.LowLevelKeyboardInputEvent)o;
if (isDebug)
{
System.Diagnostics.Debug.WriteLine($"system - p.Key {p.Key} - {((Win32.KeyboardState)wparamTyped)}");
}
bool isKeyStrlOrShift = p.Key == Keys.LShiftKey || p.Key == Keys.RShiftKey ||
p.Key == Keys.LControlKey || p.Key == Keys.RControlKey;
if (isKeyStrlOrShift)
{
if (p.Key == Keys.LControlKey || p.Key == Keys.RControlKey)
{
ctrlPressed = save || ((Win32.KeyboardState)wparamTyped) == Win32.KeyboardState.KeyDown ||
((Win32.KeyboardState)wparamTyped) == Win32.KeyboardState.SysKeyDown;
}
if (p.Key == Keys.LShiftKey || p.Key == Keys.RShiftKey)
{
shiftPressed = save ||
((Win32.KeyboardState)wparamTyped) == Win32.KeyboardState.KeyDown ||
((Win32.KeyboardState)wparamTyped) == Win32.KeyboardState.SysKeyDown;
}
if (((Win32.KeyboardState)wparamTyped) == Win32.KeyboardState.KeyUp ||
((Win32.KeyboardState)wparamTyped) == Win32.KeyboardState.SysKeyUp)
{
reset = true;
}
}
else
{
save = ((Win32.KeyboardState)wparamTyped) == Win32.KeyboardState.KeyDown ||
((Win32.KeyboardState)wparamTyped) == Win32.KeyboardState.SysKeyDown;
}
var eventArguments = new GlobalKeyboardHookEventArgs(p, (Win32.KeyboardState)wparamTyped);
eventArguments.CtrlPressed = ctrlPressed;
eventArguments.ShiftPressed = shiftPressed;
if (p.Key == HotKey)
{
if ((eventArguments.KeyboardState == Win32.KeyboardState.KeyUp ||
eventArguments.KeyboardState == Win32.KeyboardState.SysKeyUp))
{
EventHandler <GlobalKeyboardHookEventArgs> handler = KeyboardPressed;
handler?.Invoke(this, eventArguments);
}
return((IntPtr)1);
}
if ((eventArguments.KeyboardState == Win32.KeyboardState.KeyUp ||
eventArguments.KeyboardState == Win32.KeyboardState.SysKeyUp) &&
!isKeyStrlOrShift)
{
EventHandler <GlobalKeyboardHookEventArgs> handler = KeyboardPressed;
handler?.Invoke(this, eventArguments);
fEatKeyStroke = eventArguments.Handled;
save = false;
if (reset)
{
ctrlPressed = false;
shiftPressed = false;
reset = false;
}
}
}
else
{
System.Diagnostics.Debug.WriteLine($"!!!!!!!!!!!!!!!! wParam - {wParam}");
}
return(fEatKeyStroke ? (IntPtr)1 : Win32.CallNextHookEx(IntPtr.Zero, nCode, wParam, lParam));
}