private int HookCallback(int code, IntPtr wParam, ref KeyboardHook.KBDLLHOOKSTRUCT lParam)
{
if (code < 0)
{
return KeyboardHook.CallNextHookEx(this._hookHandle, code, wParam, ref lParam);
}
if ((lParam.flags & 128u) != 0u && this.KeyUp != null)
{
this.KeyUp(this, new HookEventArgs(lParam.vkCode));
}
if ((lParam.flags & 128u) == 0u && this.KeyDown != null)
{
this.KeyDown(this, new HookEventArgs(lParam.vkCode));
}
return KeyboardHook.CallNextHookEx(this._hookHandle, code, wParam, ref lParam);
}
private static extern int CallNextHookEx(IntPtr hook, int code, IntPtr wParam, ref KeyboardHook.KBDLLHOOKSTRUCT lParam);
private static extern IntPtr SetWindowsHookEx(KeyboardHook.HookType code, KeyboardHook.HookProc func, IntPtr instance, int threadID);
public App()
{
this.hook = new KeyboardHook();
this.hook.KeyDown += new KeyboardHook.HookEventHandler(this.OnHookKeyDown);
}