CIPAddressCtrl::IsBlank
Determines if all fields in the IP Address Control are empty.
BOOL IsBlank( ) const;
Return Value
Nonzero if all of the IP Address Control fields are empty; otherwise 0.
Remarks
This member function implements the behavior of the Win32 message IPM_ISBLANK, as described in the Windows SDK.
Requirements
Header: afxcmn.h