MQL5 ReferenceStandard LibraryPanels and DialogsCButtonOnSetText CreatePressedLockingOnSetTextOnSetColorOnSetColorBackgroundOnSetColorBorderOnSetFontOnSetFontSizeOnCreateOnShowOnHideOnMoveOnResizeOnMouseDownOnMouseUp OnSetText The virtual handler of control "SetText" (change of the OBJPROP_TEXT property) event. virtual bool OnSetText() Return Value true - event processed, otherwise - false. Locking OnSetColor