CListBox:DeleteItem()//这个函数参数传进去之前，如何初始化

CListBox::DeleteItem()//这个函数参数传进去之前，怎么初始化?

C/C++ code

virtual void DeleteItem(   LPDELETEITEMSTRUCT lpDeleteItemStruct //tagDELETEITEMSTRUCT tag={0};??????);typedef struct tagDELETEITEMSTRUCT { /* ditms */    UINT CtlType;    UINT CtlID;    UINT itemID;    HWND hwndItem;    UINT itemData;} DELETEITEMSTRUCT;