MQL5 ReferenceStandard LibraryPanels and DialogsCCheckBoxChecked CreateOnEventTextColorCheckedValueCreateButtonCreateLabelOnClickButtonOnClickLabel Checked (Get method) Gets state of the control. bool Checked() const Return Value State of the control. Checked (Set method) Sets state of the control. bool Checked( const bool flag // state ) Parameters flag [in] New state. Return Value true - successful, otherwise - false. Color Value