>#INCLUDE windows.h >#INCLUDE C:\commctrl.h > >* Use SendMessage to tell apps we've changed the system time. >DECLARE INTEGER SendMessage IN win32api; > INTEGER WindowHandle,; > INTEGER MESSAGE,; > STRING Param1,; > STRING Param2,; > >* SendMessage constants. >#DEFINE hwnd_listview thisform.olelistView.hWnd >#DEFINE wparam1 0 >#DEFINE wparam2 8923479 >#DEFINE wparam3 4097 && LVM_SETBKCOLOR > >lret = SendMessage(hwnd_listview,wparam3,wparam1,wparam2)I made one small correction inside. I don't think you need to include header files, since you're not using them.