TCDDrawerCommon.CalculatePreferredSize

public procedure TCDDrawerCommon.CalculatePreferredSize(

  ADest: TCanvas;

  AControlId: TCDControlID;

  AState: TCDControlState;

  AStateEx: TCDControlStateEx;

  var PreferredWidth: Integer;

  var PreferredHeight: Integer;

  WithThemeSpace: Boolean;

  AAllowUseOfMeasuresEx: Boolean

); override;