private void registerHotKey()
{
var helper = new WindowInteropHelper(this);
if (!WindowsServices.RegisterHotKey(helper.Handle, HOTKEY_ID, WindowsServices.MOD_CTRL | WindowsServices.MOD_WIN | WindowsServices.MOD_ALT, (uint)WindowsServices.Keys.J))
{
// handle error
}
}
protected override void OnSourceInitialized(EventArgs e)
{
base.OnSourceInitialized(e);
var helper = new WindowInteropHelper(this);
var hwnd = helper.Handle;
WindowsServices.SetWindowExTransparent(hwnd);
source = HwndSource.FromHwnd(hwnd);
source.AddHook(hwndHook);
registerHotKey();
}
private void unregisterHotKey()
{
var helper = new WindowInteropHelper(this);
WindowsServices.UnregisterHotKey(helper.Handle, HOTKEY_ID);
}