BUG: Creating a Header Class Definition in a VCX Causes ErrorID: Q131560 3.00 3.00b WINDOWS kbtool kbbuglist The information in this article applies to:
SYMPTOMSWhen a visual class library (VCX) is edited programmatically and the VCX is opened with the MODIFY CLASS command, Visual FoxPro is halted and an exception error is generated.
CAUSEThe Exception error is the result of a programming error. The information placed in the VCX under program control is erroneous. In particular, creating a Header or a Column class as a visual class yields this error because it is not possible to create these classes in a VCX.
RESOLUTIONEnsure that you are creating classes that are allowed in a visual class library. Visual classes that cannot be created in a VCX require a container to exist. They include:
STATUSMicrosoft has confirmed the fact that the product halts to be a problem in the Microsoft products listed at the beginning of this article. We are researching this problem and will post new information here in the Microsoft Knowledge Base as it becomes available.
MORE INFORMATION
Steps to Reproduce ProblemThe following program duplicates the Exception error. Please exercise caution if you decide to run this sample program because it causes FoxPro to halt. This code is provided as an illustration only. The comments highlight the source of the error.
* The replace statement below is the cause of the error
* A header object is created, and this is illegal in a VCX.
KBCategory: kbtool kbbuglist
KBSubcategory: FxtoolClassdes VFoxWin buglist3.00 buglist3.00b
Additional reference words: 3.00 3.00b crash hang
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