// Through this method, the keys generated by the Virtual Keyboard are sent to the target control.
// In this version, the current target control is always the control with input focus and the keyboard
// is only visible when the control (to which the keyboard was previously attached) has input focus.
// Therefore, SendKeys.Send offers all the logic needed for this version of the keyboard.
//
// For future versions, we might consider using the Win32 API SendInput function for greater flexibility.
private void SendKeysToTarget(string info)
{
KeyboardKeyCancelEventArgs cancelArgs = new KeyboardKeyCancelEventArgs(info);
OnSendingKey(cancelArgs);
if (cancelArgs.Cancel) return;
SendKeys.Send(info);
OnKeySent(new KeyboardKeyEventArgs(info));
}
/// <summary>
/// Raises SendingKey event.
/// </summary>
/// <param name="e">Provides event arguments.</param>
protected virtual void OnSendingKey(KeyboardKeyCancelEventArgs e)
{
KeyCancelEventHandler handler = SendingKey;
if (handler != null)
handler(this, e);
}
private void VirtualKeyboardSendingKey(object sender, KeyboardKeyCancelEventArgs e)
{
OnSendingKey(e);
}