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VB6 modal form sometimes disappears on load event (IV2008)

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06-29-2007
06:41 AM
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Hi,
I have an addin created with VB6(SP6) under IV11. it also works fine with IV10.
This addin contains one modeless form and two modal forms
With IV2008,from time to time, when loading any of the two modal forms, the form appears really quickly and then is no more visible.
In this case, since form is modal, I can't do anything with Inventor, only use Task Manager to end software.
Escape key doesn't work as well.
I try to understand this for a couple of day. This is always a great mystery for me
the modeless form use SetWindowLong function from windows API. there is no curious behavior with this form.
Is it time to migrate to vb.net 2005 ?
Any help or idea would be appreciated
I have an addin created with VB6(SP6) under IV11. it also works fine with IV10.
This addin contains one modeless form and two modal forms
With IV2008,from time to time, when loading any of the two modal forms, the form appears really quickly and then is no more visible.
In this case, since form is modal, I can't do anything with Inventor, only use Task Manager to end software.
Escape key doesn't work as well.
I try to understand this for a couple of day. This is always a great mystery for me
the modeless form use SetWindowLong function from windows API. there is no curious behavior with this form.
Is it time to migrate to vb.net 2005 ?
Any help or idea would be appreciated