BOOL b7=mylist4.DeleteAllItems();//删除所有项
- MFC-CListCtrl-DeleteAllItems DeleteAllItems CListCtrl MFCmfc-clistctrl-deleteallitems mfc-clistctrl-deleteallitems deleteallitems mfc-clistctrl-getselectedcount mfc-clistctrl-getfirstselectedite mfc-clistctrl-insertitem mfc-clistctrl-getcolumn mfc-clistctrl-lvm_getitemtext mfc-clistctrl-setextendedstyle mfc-clistctrl-insertcolumn mfc-clistctrl-getitemstate