check out "the alerthook"
roymeo
At 03:42 PM 7/25/01 -0400, you wrote:
>Hello list,
>
>There is an error I want to trap before it's spitted out to my end user
>(questions at the bottom of email) :
>If you try to define a DrawRect To a MIAW and that Movie in this MIAW is
>opened with Write permission you get the error (this error is from window i
>guess) : "Unable to open file [...filepath...] because it is already open
>with write permission by another user".
>Then on the next instruction to the MIAW you get the error : "Object
>Expected" Or "Property not found".
>Demonstration :
>Global wMap, gMapWidth, gMapHeight
>wMap = Window("Map1.dir")
>wMap.DrawRect = Rect(0,0, gMapWidth,gMapHeight)
>-- Right after the DrawRect we get the first error
>wMap.Windowtype = 2
>-- Then here we get the property not found
>Open wMap
>wMap.MoveToFront()
>
>I manage to trap the second erreor by doing this test :
>If wMap <> VOID Then
> wMap.Windowtype = 2
> Open wMap
> wMap.MoveToFront()
>End If
>
>But I still get the first error (The Write permission one)... Is there any
>way to trap it before the user see it ?
>I'm new to Lingo but I code since a little time now, I havent seen any Error
>handling ability to Lingo (Neither "a la C++" : Try..Catch or "a la VB" : On
>Error Resume Next, On Error Goto. If there is such error handling mechanism
>can you point me out to an article / tutorial URL please ?
>
>Thank in advance,
>
>Alexis Cloutier
>
>
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-----
Roy Crisman
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