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VFP6SP5 - How to know that a txt.value has changed
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To
10/06/2003 12:28:04
General information
Forum:
Visual FoxPro
Category:
Classes - VCX
Miscellaneous
Thread ID:
00797581
Message ID:
00798749
Views:
31
Thanks for the idea Jeffery. This is as good as creating a custom property and then comparing in the lostfocus(), just that this one is already created. Just curious, why was it there in the first place.

>The tag property is on the data tab of the property sheet. It is a property that can store text data, like a comment but you can store a value there during gotfocus and compare that value during lostfocus. This way, even if the user changes the value but puts it back it will show the value as unchanged (unlike GetFldState). The only drawback is that you can only store text data there so you must convert other data types to text before storing and comparing.
>
>hth jeffrey
>
>>Textbox's Tag? Tag Please advise.
>>
>>>On the textbox's gotfocus, assign the value to the textbox's tag. On lost focus, compare the tag to the value.
>>>
>>>
>>>>>Just keep in mind though, that GetFldState(), InteractiveChange(), and ProgrammaticChange(), tell you that the field has been messed with. They don't really tell you if the value is different than it was coming in.
>>>>
>>>>Yes I have put it in the LostFocus() and I just wanted to know if the user modified once just to set a portion of the screen in a diff. color to get the users attention that save will be required.
>>>>
>>>>>
>>>>>If you truly want to know if the value is changed, you need to do your own comparisons.
>>>>>
>>>>>Alan
>>>>>
>>>>>>Thanks a lot David.
>>>>>>
>>>>>>>GetFldState()
>>>>>>>
>>>>>>>>I wanted a quick & efficient way to find out if say for eg. the text in a textbox / cbo or the status of a checkbox has changed.
>>>>>>>>
>>>>>>>>The controlsource for all these controls will be a view.
Regards
Bhavbhuti
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Softwares for Indian Businesses at:
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venussoftop@gmail.com
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