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How to hide the top black area


There is an upload file error. I can’t show you the screen shot. How to hide the top black area with ‘Application Name’, ‘Home’, ‘About’, ‘Content’ on the left and ‘Register’, ‘Login’ on the right? Thanks!


Hello. We are sorry to hear that you have this issue. Unfortunately it is not clear for us where and under which conditions you have such issue. We know that you are using GroupDocs.Viewer for .NET, is this correct? If yes, this issue is a pretty strange, because GroupDocs.Viewer for .NET doesn’t have these labels (‘Application Name’, ‘Home’, ‘About’, ‘Content’, ‘Register’, ‘Login’).

About the screenshot. If you cannot upload it to the forum, you can upload it to the Dropbox or some other file or image sharing service, and then post a link in the forum post. Or, alternatively, you can send us this screenshot via email (

Thanks and waiting for your reply.