/// <summary>
/// Raises the KeyIntercepted event.
/// </summary>
/// <param name="e">An instance of KeyboardHookEventArgs</param>
protected virtual void OnKeyIntercepted(KeyboardHookEventArgs e)
{
if (KeyIntercepted != null)
{
KeyIntercepted.Invoke(e);
}
}
/// <summary>
/// Processes the key event captured by the hook.
/// </summary>
private IntPtr HookCallback(
int nCode, IntPtr wParam, ref KBDLLHOOKSTRUCT lParam)
{
//Filter wParam for KeyUp events only
if (nCode >= 0)
{
var khargs = new KeyHookEventArgs(wParam, lParam);
var allow = AllowKey?.Invoke(khargs) != false;
KeyIntercepted?.Invoke(khargs, allow);
//If this key is being suppressed, return a dummy value
if (!allow)
{
return((IntPtr)1);
}
}
//Pass key to next application
return(NativeMethods.CallNextHookEx(hookID_, nCode, wParam, ref lParam));
}
public void OnKeyIntercepted(KeyboardHookEventArgs e)
{
KeyIntercepted?.Invoke(e);
}
/// <summary>
/// Raises the KeyIntercepted event.
/// </summary>
/// <param name="e">An instance of KeyboardHookEventArgs</param>
internal void OnKeyIntercepted(KeyboardHookEventArgs e)
{
KeyIntercepted?.Invoke(this, e);
}
