VSTASKCOLUMN::bstrCanonicalName Field
Visual Studio 2015
String containing the non-localized name of the column header. It must be unique within this provider's column list.
Assembly: Microsoft.VisualStudio.Shell.Interop.8.0 (in Microsoft.VisualStudio.Shell.Interop.8.0.dll)
From vsshell80.idl:
BSTR bstrCanonicalName;
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