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Specifies whether the document that is displayed in the child window is read-only.

virtual BOOL IsReadOnly();

TRUE if the document is read-only; otherwise FALSE.

This function is used to prevent saving of read-only documents.

The following example demonstrates overriding the IsReadOnly method. This code snippet comes from the VisualStudioDemo Sample: MFC Visual Studio Application.

BOOL CChildFrame::IsReadOnly()
	return DYNAMIC_DOWNCAST(CStartView, GetActiveView()) != NULL;

Header: afxMDIChildWndEx.h

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