IVsDifferenceCodeWindow::Caption Property
Visual Studio 2015
Gets or sets the caption for the diff window's document tab.
Assembly: Microsoft.VisualStudio.Editor (in Microsoft.VisualStudio.Editor.dll)
If null or empty, the default ("{0} vs. {1}") is used. The caption is formatted (replacing {0} with the name of the left file and {1} with the name of the right file).
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