Sets the current extended styles of a list view control.
DWORD SetExtendedStyle(
   DWORD dwNewStyle 
);
Parameters
- dwNewStyle
 A combination of extended styles to be used by the list view control. For a descriptive list of these styles, see the Extended List View Styles topic in the Windows SDK.
Return Value
A combination of the previous extended styles used by the list view control.
Remarks
This member function implements the behavior of the Win32 macro, ListView_SetExtendedListViewStyle, as described in the Windows SDK.
Example
// Allow the header controls item to be movable by the user.
m_myListCtrl.SetExtendedStyle
   (m_myListCtrl.GetExtendedStyle()|LVS_EX_HEADERDRAGDROP);
Requirements
Header: afxcmn.h