STDMETHOD( put_BackColor )( OLE_COLOR clrBackground );
Return Value
A standard HRESULT value.
Parameters
clrBackground
[in] The new value of this property.
Remarks
The BackColor property specifies the ambient background color of the container.
The ATL host object implementation uses COLOR_BTNFACE or COLOR_WINDOW as the default value of this property (depending on whether the parent of the host window is a dialog or not).