AFX_GLOBAL_DATA::m_nDragFrameThicknessDock
Specifies the thickness of the drag frame that is used to indicate the docked state.
Syntax
int m_nDragFrameThicknessDock;
Remarks
The AFX_GLOBAL_DATA::AFX_GLOBAL_DATA constructor initializes this member to 3 pixels.
Requirements
Header: afxglobals.h