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VSConstants.UICONTEXT_SolutionExists Field

Packages may define a command that is associated with a change in UI context. Use UICONTEXT_SolutionExists to return the GUID of the command associated with this UI state. In this case the UI context is that a solution exists, though the number of projects loaded is not pertinent to this call.

Namespace:  Microsoft.VisualStudio
Assembly:  Microsoft.VisualStudio.Shell.9.0 (in Microsoft.VisualStudio.Shell.9.0.dll)

public static readonly Guid UICONTEXT_SolutionExists

A successful call to GetCmdUIContextCookie with UICONTEXT_SolutionExists as the first parameter returns the GUID value of the command UI context associated with this specific UI state.

The new UI context (which in this case is UICONTEXT_SolutionExists) may be retrieved with a call to OnCmdUIContextChanged.

This method is not valid (will return E_FAIL) when the IDE is in Command Line Mode.