CComControl::m_bBorderVisible

BOOL m_bBorderVisible;

Remarks

The data member in your control class that flags whether the control's border should be visible or not. If you choose the BORDERVISIBLE option from the Stock Properties tab in the ATL Object Wizard, the wizard automatically creates this data member in your control class, creates put and get methods for the property, and supports IPropertyNotifySink to automatically notify the container when the property changes.

CComControl Overview |  Class Members

See Also   CComControl::m_nBorderStyle, CComControl::m_clrBorderColor, CComControl::m_nBorderWidth