September 6, 2002 - Handling Click Events in a Windows form

Yehuda Shiran September 6, 2002
Handling Click Events in a Windows form
Tips: September 2002

Yehuda Shiran, Ph.D.
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To associate an event handler with a button, you first need to add the event handler to the button. Let's assume the button is button1 and the event handler is button1_Clicked:

  button1.add_Click(button1_Clicked);
Then, we define the event handler to pop-up an alert box whenever the button is clicked:

  function button1_Clicked(o : Object, e : EventArgs) {
    MessageBox.Show(o.Name());
  }
The package is ButtonClickPkg and the class is ButtonClickCls. We pop up the Windows form by calling the Application.Run() method:

  Application.Run(new ButtonClickPkg.ButtonClickCls());
You should get the following Windows form:

To learn more about JScript .NET and ASP.NET, go to Column 117, JScript .NET, Part XI: Creating Windows Forms.