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Overwrites a drop-down selection control on the current selection.

HRESULT DropDownBox( 
   LPCTSTR szId = NULL  
) const;


The ID of the drop-down selection control.

Returns S_OK on success, or an error HRESULT on failure.

This method sends the IDM_DROPDOWNBOX command ID to the WebBrowser control.

Header: afxhtml.h

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