> "LockScreen speeds native VFP updates* --*- set THISFORM.LockScreen True
> before updating or refreshing the form, then LockScreen False when all
> changes are completed. FoxPro repaints the screen once instead of many
> times, actually speeding up the application. This also provides a
> psychological speed-up, and the operator does not see each control
> refreshing, then another, then another"
>
> The tip below that about moving OCXs (like treeviews) offsite is a
> pretty good one too, although I don't use OCXs so it really doesn't
> affect me.
And if your LockScreen=.F. commands are causing flashy
updates(particularly image controls with alpha channels), here's a
work-around for that too. Create a Lockscreen_assign method, and use
this code:
LPARAMETERS tlNewLockScreen
IF tlNewLockScreen Then
This.LockScreen = .T.
ELSE
LockWindowUpdate(Thisform.hWnd)
ThisForm.LockScreen = .F.
DOEVENTS FORCE
LockWindowUpdate( 0 )
ENDIF
Note that the API function needs to be defined ahead of time:
DECLARE INTEGER LockWindowUpdate IN user32 INTEGER hWndLock
--
Derek
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