RasterThumnailBrowser.Refresh throws Object Reference is not set to an instance

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This topic and its replies were posted before the current version of LEADTOOLS was released and may no longer be applicable.

#1 Posted : Sunday, April 10, 2011 11:11:10 PM(UTC)

Emad Alsous

Groups: Registered
Posts: 4

hello, iam using V17 i have RasterThumbnailBrowser
object at the first time i call refresh if i added the images manually it throws Object Reference is not set to an instance
the code is:
_browser.Items.Add(item)
_browser.Refresh() 'it throws the error while the object reference is set not null
if i put the first call inside try catch
and call the refresh again it backs to be called fine


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#2 Posted : Monday, April 11, 2011 5:09:16 AM(UTC)

Adam Boulad

Groups: Guests
Posts: 3,022

Was thanked: 2 time(s) in 2 post(s)

Emad,
This method (RasterThumbnailBrowser.Refresh) will refresh loading thumbnails for the paths that specified in RasterThumbnailBrowser.LoadThumbnails() method not for the items currently loaded into the control.
Please check the sample code provided in the Refresh Method help topic in the .NET documentation.

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