GUI.ClearTextPart of GUI module

Syntax   GUI.ClearText (widgetID : int)

Description   Clears all the text in a text box specified by widgetID. The widgetID parameter must be the widget id of a text box.

Example   The program lists 25 numbers in a text box. Every time the button is pressed, it clears the text box and prints the next 25 numbers. 

        import GUI
        var boxID, buttonID, start : int
        start := 1
        
        procedure PrintTwentyFive
            GUI.ClearText (boxID)
            for i : start .. start + 24
                GUI.AddLine (boxID, intstr (i))
            end for
            start += 25
        end PrintTwentyFive
        
        boxID := GUI.CreateTextBox (50, 50, 200, 200)
        buttonID := GUI.CreateButton (50, 5, 0, "Next 25", PrintTwentyFive)
        PrintTwentyFive
        loop
            exit when GUI.ProcessEvent
        end loop

Execute  

Status   Exported qualified.

This means that you can only call the function by calling GUI.ClearText, not by calling ClearText.

See also   GUI.CreateTextBox.