The Controls Object permits to add controls on a Window and raises events.
Edit Controls.AddButton
Controls.AddButton("caption",x,y)
The caption is the name of button. The x and y are the button coordinates on window. The button size is equal to caption size.
Controls.AddButton("Hello",40,20)
Edit Controls.ButtonClicked
A button is created to raise an event. This code is an exemple of button event. The Controls.ButtonClicked calls a sub to post a text in TextWindow. When we click in "Hello" button, "Hello World" is posted on TextWindow.
Controls.AddButton("Hello",40,20)
Controls.ButtonClicked=hello
Sub hello
TextWindow.WriteLine("Hello World")
EndSub