hi,
i have created two forums in vc++ .net.
during the time i create, both the forms open nicely for desgin.
when i close it and open the soultion or change it to the different drive, one form open and one form give the the message saying
"The designer could not be shown for this file because none of the classes within it can be designed. ".
at System.ComponentModel.Design.Serialization.CodeDomDesignerLoader.EnsureDocument(IDesignerSerializationManager manager)
at System.ComponentModel.Design.Serialization.CodeDomDesignerLoader.PerformLoad(IDesignerSerializationManager manager)
at Microsoft.VisualStudio.Design.Serialization.CodeDom.VSCodeDomDesignerLoader.PerformLoad(IDesignerSerializationManager serializationManager)
at System.ComponentModel.Design.Serialization.BasicDesignerLoader.BeginLoad(IDesignerLoaderHost host)

i am not able to find the cause of the error.

please help me.

From what you are describing, I suggest you to post in the Windows Forms Designer forum instead.

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Visual C++ MVP

Hi,

I test on my side but have no luck. Could you please give us more details about this issue? For example, is the second form deriving from abstract class?

I searched on the net and find some similar issue. Hopes these will give you a hint.

Deriving component from abstract base class

http://connect.microsoft.com/VisualStudio/feedback/ViewFeedback.aspx?FeedbackID=451833

Problems with inheritance generic form

http://connect.microsoft.com/VisualStudio/feedback/ViewFeedback.aspx?FeedbackID=378040

http://connect.microsoft.com/VisualStudio/feedback/ViewFeedback.aspx?FeedbackID=334269

Best regards,

Ling Wang

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