Important Notice

The pages on this site contain documentation for very old MS-DOS software, purely for historical purposes. If you're looking for up-to-date documentation, particularly for programming, you should not rely on the information found here, as it will be woefully out of date.

                        ◄Example►                ◄Contents►  ◄Index►  ◄Back►
──────────────────────────────────────────────────────────────────────────────
' This example uses the Parent property and a check box control to display
' the state of a form's control.
 
' To try this example:
' 1. Choose New Project from the File menu
' 2. Choose New Form from the File menu to create a form with:
'    • Command button
'    • Check box
' 3. Set the form's AutoRedraw property to True
' 4. Press Alt+F4 to return to the programming environment
' 5. Copy the code example below to the form module
' 6. Press F5 to run the example
 
 DECLARE SUB CheckCheck (Source AS CONTROL) ' Declare sub procedure
 
 SUB CheckCheck (Source AS CONTROL)
      IF Source.Value = 0 THEN
          Source.Parent.CLS                            ' Clear parent form
          Source.Parent.PRINT "CheckBox is Unchecked"  ' Print on parent form
      ELSE
          Source.Parent.CLS                         ' Clear parent form
          Source.Parent.PRINT "CheckBox is Checked" ' Print on parent form
      END IF
 END SUB
 
 SUB Command1_Click ()
     CheckCheck Form1.Check1            ' Call procedure in other module
 END SUB