DIM fmt AS WSTRING * 260 = "yyyy.MM.dd"
DateTime_SetFormat(hCtl, @fmt)
DateTime_SetFormat(hCtl, @WSTR("yyyy.MM.dd"))
CDtPicker.SetFormat(hCtl, "yyyy.MM.dd")
hCtl = pWindow.AddControl("DATETIMEPICKER", hwndMain, IDC_DATEPICKER, "Date", 60, 25 ,126, 27)
DateTime_SetFormat(hCtl,"yyyy.MM.dd")