ProvideLanguageServiceAttribute::SingleCodeWindowOnly Property

Visual Studio 2015
 

Determines if the Window -> New Window command is disabled for a language service.

Namespace:   Microsoft.VisualStudio.Shell
Assembly:  Microsoft.VisualStudio.Shell.14.0 (in Microsoft.VisualStudio.Shell.14.0.dll)

C#
C++
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public:
property bool SingleCodeWindowOnly {
	bool get();
	void set(bool value);
}

Property Value

Type: System::Boolean

Returns true if the Window -> New Window command is disabled; otherwise, returns false.

The Window -> New Window command opens another window in the current edit window. Any changes made in this additional window are reflected in the original window (and all other duplicate windows on the same source file). If a language service cannot support multiple edit windows with the same source file, then the SingleCodeWindowOnly property should be set to true.

This property is available to any language service implementation.

The default is false indicating multiple windows on the same source file are supported.

The registry entry looks like this:

Copy 
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\VisualStudio\[X.Y]\Languages\Language Services\
  [Language Name]\
    Single Code Window Only = reg_dword: 0x00000001

C#
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[ProvideLanguageService(typeof(MyLanguageService),           // Required
                        MyConstants.languageName,            // Required
                        MyConstants.languageNameResourceID,  // Required
    // Optional language service properties
    SingleCodeWindowOnly = true,  // disable New Window command
                       )]
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