internal GlobalKeyEventArgs(KBDLLHOOKSTRUCT keyData)
{
KeyCode = keyData.vkCode;
KeyData = KeyInterop.KeyFromVirtualKey(keyData.vkCode);
Flags = keyData.flags;
ScanCode = keyData.scanCode;
Time = keyData.time;
Handled = false;
}
static extern IntPtr CallNextHookEx(IntPtr hHook, int nCode, IntPtr wParam, ref KBDLLHOOKSTRUCT lParam);
private static IntPtr HookProc(int nCode, IntPtr wParam, ref KBDLLHOOKSTRUCT lParam)
{
bool handled = false;
if (nCode == HC_ACTION)
{
GlobalKeyEventArgs event_args = new GlobalKeyEventArgs(lParam);
switch (wParam.ToInt32())
{
case WM_KEYDOWN:
case WM_SYSKEYDOWN:
CallEvent(KeyDown, event_args);
break;
case WM_KEYUP:
case WM_SYSKEYUP:
CallEvent(KeyUp, event_args);
break;
}
handled = event_args.Handled;
}
return handled
? (IntPtr) 1
: CallNextHookEx(HookHandle, nCode, wParam, ref lParam);
}