private void label1_MouseUp(object sender, MouseEventArgs e)
 {
     this.BackColor = SystemColors.ControlDarkDark;
     label1.ForeColor = Color.White;
     SendKeys.Send(label1.Text);
     KeyPressedEventArgs args = new KeyPressedEventArgs(label1.Text);
     KeyPressedEvent(sender, args);
     //this.OnMouseUp(e);
 }
 private void label1_MouseUp(object sender, MouseEventArgs e)
 {
     KeyPressedEventArgs args = new KeyPressedEventArgs(label1.Text);
     if (KeyPressedEvent != null)
         KeyPressedEvent(this, args);
     ButtonState = State.MouseUp;
     label1.BackColor = mouseUpColor;
     label1.ForeColor = Color.White;
     label1.Refresh();
 }