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Regarding Tip: Control Valid() Fires Even When Read-Only
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Forum:
Visual FoxPro
Catégorie:
Programmation Orientée Object
Titre:
Regarding Tip: Control Valid() Fires Even When Read-Only
Divers
Thread ID:
00781549
Message ID:
00781549
Vues:
65
In the May 2003 issue of the FoxPro Advisor there is a tip called "Control Valid() Fires Even When Read-Only." It made perfect sense so I added it to my base textbox class. My problem is how to handle the RETURN .T. in the base class so processing stops. In a subclassed textbox, I have DODEFAULT() to call the base class code but after the code runs, it still processes the code of the subclassed textbox.

Example:
txtBase.Valid()
   **********************************************************************************
   * Code from "Control Valid() Fires Even When Read-Only" - FoxPro Advisor, May 2003
   **********************************************************************************
   IF THIS.READONLY
      RETURN .T.
   ENDIF
   **********************************************************************************

   *  NOTE: If ReadOnly = .F., still returns .T.
txtSubClass.Valid()
   DODEFAULT()

   * If the control is ReadOnly, I don't want this to occur!
   IF EMPTY(THIS.VALUE) 
      RETURN .F.
   ENDIF
What's a common way to handle this?

Thanks,
Aaron
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