license doesn't unlock sometimes

Questions about GdPicture.NET license agreement.
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Posts: 1
Joined: Fri Mar 23, 2012 2:31 pm

license doesn't unlock sometimes

Post by bam » Fri Mar 23, 2012 2:43 pm

I use the Ultimate SDK 8.5.

I try to host the gdviewer control on a usercontrol based on System.Windows.WinForms.UserControl.
this usercontrol is COM-available and gets loaded in the IE-based webbrowser-control.
My code is:

Dim viewer As New GdPicture.GdViewer()

the usercontrols gets loaded and destroyed each time I navigate thru items in my application.
the items are image-files or pdf-files.

the problem is, that sometimes everthing works, an sometimes I get the message (about each 2nd or 3rd click):
Raster image & metafile viewing: This option has not been unlocked !

It is not depending on the file I try to load.

.SetLicenseNumber alwas returns true.
I also tried the licensemanager, same behavior.

Please help,

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Re: license doesn't unlock sometimes

Post by Loïc » Fri Mar 23, 2012 3:10 pm

Hello Bernd,

Please send us your license information through

Kind regards,


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