VSConstants.VS_E_UNSUPPORTEDFORMAT Field
Visual Studio 2005
CreateEditorInstance returns this value if the document has a format that cannot be opened in the editor.
This field is not CLS-compliant. Namespace: Microsoft.VisualStudio
Assembly: Microsoft.VisualStudio.Shell (in microsoft.visualstudio.shell.dll)
Assembly: Microsoft.VisualStudio.Shell (in microsoft.visualstudio.shell.dll)