Win32 SDK下刪除ListView控件的所有行，所有列

利用Win32 SDK通過發送消息實現刪除ListView控件的所有行，與所有列：

int nCols;
HWND hWndListView, hWndListViewHeader;
//刪除所有行
SendMessage(hWndListView, LVM_DELETEALLITEMS, 0, 0);
//得到ListView的Header窗體
hWndListViewHeader = (HWND)SendMessage(hWndListView, LVM_GETHEADER, 0, 0);
//得到列的數目
nCols = SendMessage(hWndListViewHeader, HDM_GETITEMCOUNT, 0, 0);
   
nCols--;
//刪除所有列
for(; nCols >= 0; nCols--)
        SendMessage(hWndListView, LVM_DELETECOLUMN, nCols, 0);