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When for custom Controls
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Forum:
Visual FoxPro
Category:
Classes - VCX
Miscellaneous
Thread ID:
00596595
Message ID:
00596639
Views:
28
>>>>>>>>is this scroll bar ...
>>>>>>>>part of a grid? or a combobox ... or what?
>>>>>>>
>>>>>>>No I've created a custom control with 3 buttons in it and programmed the functionality of a scroll bar (as in record next/previous/top etc).
>>>>>>>
>>>>>>>Part of my problem is that the user could be trying to do a number of things when they click on my scrollbar and I need to prevent all of them - hence the fact that I want to do the check in the When/GotFocus of the control before the button within performs its code.
>>>>>>
>>>>>>Note that we have custom scrollbars just the same, but you seem to approach something differently here; I assume the user clicks on a scrollbar button and during MouseDown scrolling is performed ? and not that another click is needed to stop scrolling ?
>>>>>
>>>>>Thats correct - so when are you checking that its ok for the user to move from the current record?
>>>>
>>>>So Caroline, could you be some more specific please; f.e. what is your definition of "scrolling" ? Mine would be : we have some gridrow current (it's visible), and by clicking scroll-up, the current record is shifted to above the grid's boundaries, and all further records come by; letting go of the mouse button stops scrolling, and the active record (current record) is not visible.
>>>>
>>>>Could you explain some further now please ?
>>>
>>>Thanks for your interest Peter,
>>>
>>>In essence I am doing the same just not in a grid. I have a standard record entry form that displays 1 record at a time. I have standard navigation buttons top/next/new/save etc. I also have a scrollbar control to perform the same operations, clicking on the right scroll button moves forward 1 record clicking in the scrollbar move forward 10 records etc, they can also drag the current location to quickly jump a certain distance through the file.
>>>
>>>What I need to be ably to do is as they select the scrollbar stop anything from happening if the current record has not been saved.
>>
>>Okay (I hope I understand right) :
>>
>>As soon as any data is changed (in any control, field, record (?), disable the scrollbar buttons, until Save (or explicit cancel ?) is pressed. Is that the idea ? This BTW could be the in InterActiveChange for each control on the form.
>
>That is the effect that I want, its just that my navigation buttons work the other way ie After a change if the user presses Next they are asked is they want to save (yes/no/cancel) and I was trying to get the scrollbar to do the same.

Hmm... It looks like that your scollbarbutton works too much real-time (activate the scrolling immedeately), right ? So that's why you wanten the When on the scrollbarbuttons, still right ?
*** SBButtonGotFocus
IF lUpdatePending
  *** MessageBox ***
  *** call SaveRoutine at Yes
  *** RestoreFormRoutine at No
ENDIF

*** Scroll, or maybe better, just return to form at Save=Yes.
Now I assume this is not what you want (because it is too obvious). ??
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