IVsContainedLanguageHost::QueryEditFile Method ()

Visual Studio 2015
 

Determines if the secondary buffer can be modified.

Namespace:   Microsoft.VisualStudio.TextManager.Interop
Assembly:  Microsoft.VisualStudio.TextManager.Interop.8.0 (in Microsoft.VisualStudio.TextManager.Interop.8.0.dll)

C#
C++
F#
VB
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int QueryEditFile()

Return Value

Type: System::Int32

If the buffer can be modified, returns S_OK; otherwise, returns BUFFER_E_SCC_READONLY.

From singlefileeditor.idl:

C++
Copy 
HRESULT QueryEditFile();

This method is called by the contained language when a change needs to be made to the secondary buffer. The editor typically does not allow changes if the source file is locked for some reason.

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