CDC::m_hAttribDC
The attribute device context for this CDC object.
HDC m_hAttribDC;
Remarks
By default, this device context is equal to m_hDC. In general, CDC GDI calls that request information from the device context are directed to m_hAttribDC. See the CDC class description for more on the use of these two device contexts.
Requirements
Header: afxwin.h