BCGControlBar Pro for MFC
virtual CSize CBCGPVisualManager::GetButtonExtraBorder ( ) const

Returns the extra size of buttons that is required to display this skin correctly.

A CSize object that contains the extra size of the border of the buttons.

Several skins may require to extend the borders of toolbar buttons.

Override this member function in a CBCGPVisualManager - derived class if your skin requires extra space for the button borders.

The default implementation returns empty size.