C#

private void button1_Click(object sender, EventArgs e) {
  if (SomeBoolean) {
    //
    // Code here
    //
  }

}

mctramp168 wrote:

the BlnFlag is passed from WinForm which used this kind Button,it is not pass from the Button Class

public class MyButton : Button
{
    public new event EventHandler<ButtonClickEventArgs> Click;

    public new void PerformClick()
    {
        PerformClick(false);
    }
    public void PerformClick(bool value)
    {
        OnClick(new ButtonClickEventArgs(value));
    }

    protected override void OnClick(EventArgs e)
    {
        OnClick(new ButtonClickEventArgs(false));
    }

    protected virtual void OnClick(ButtonClickEventArgs e)
    {
        EventHandler<ButtonClickEventArgs> eh = Click;
        if (eh != null)
            eh(this, e);
    }
}
public class ButtonClickEventArgs : EventArgs
{
    private bool m_Value;

    public ButtonClickEventArgs(bool value)
    {
        m_Value = value;
    }
    public bool Value
    {
        get { return m_Value; }
    }
}