CMFCTabCtrl::m_bEnableActivate
Prevents the active view from losing focus when a new tab is inserted and enabled.
static BOOL m_bEnableActivate;
Remarks
The focus is usually taken by a new tabbed window when the tab is inserted and made active. Set the CMFCTabCtrl::m_bEnableActivate member variable to FALSE to retain the original focus. The default value is TRUE.
Requirements
Header: afxtabctrl.h