CDC::Attach 

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BOOLAttach(HDChDC**);**

Return Value

Nonzero if the function is successful; otherwise 0.

Parameters

hDC

A Windows device context.

Remarks

Use this member function to attach an hDC to the CDC object. The hDC is stored in both m_hDC, the output device context, and in m_hAttribDC, the attribute device context.

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See Also   CDC::Detach, CDC::m_hDC, CDC::m_hAttribDC