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CMFCToolBar::GetInvalidateItemRect

Retrieves the region of the client area that must be redrawn for the button at the given index.

virtual void GetInvalidateItemRect(
   int nIndex,
   LPRECT lpRect
) const;

Parameters

  • [in] nIndex
    The index of the button for which to retrieve the client area.

  • [out] lpRect
    A pointer to a RECT object that receives the region of the client area.

Remarks

The lpRect parameter must not be NULL. If no button exists at the provided index, lpRect receives a RECT object that is initialized to zero.

Requirements

Header: afxtoolbar.h

See Also

Concepts

MFC Hierarchy Chart

Reference

CMFCToolBar Class