#define TVS_NOTOOLTIPS 128 #define GWL_STYLE -16 DECLARE INTEGER SetWindowLong IN win32api INTEGER, INTEGER, INTEGER DECLARE INTEGER GetWindowLong IN win32api INTEGER, INTEGER = SetWindowLong(ThisForm.oleTree.hwnd, GWL_STYLE, BITOR(TVS_NOTOOLTIPS, GetWindowLong(ThisForm.oleTree.hwnd, GWL_STYLE)))