CheckBox Alignment property is not supported Use BiDiMode = bdRightToLeft as a workaround RadioButton Alignment property is not supported Use BiDiMode = bdRightToLeft as a workaround Combo box DropDownCount property is not supported HideSelection property is not supported NumbersOnly property is not supported Not supported for nested Forms If you put a form onto another it will have no window borders or title HideSelection property is not supported not supported not supported not supported not supported not supported Changing of default tab height is not supported Changing of default tab width is not supported The format of generated file is system dependant The content of file created by using this property depends of the printer backend used, for example when using CUPS (mainly under Unix type systems) it will be postscript while under Windows it will be in a printer unspecified format MultiLine property is not supported Changing of default tab height is not supported Changing of default tab width is not supported TDateEdit.CalendarDisplaySettings.dsStartMon is ignored in GTK+ since 2.4 Since GTK+ 2.4, this option is deprecated and ignored by GTK+. The information on which day the calendar week starts is derived from the locale. TDateEdit.MinDate is not supported by the native Calendar. TDateEdit.MaxDate is not supported by the native Calendar. Multiple columns is not supported Multiple columns is not supported Multiple columns then ViewStyle=vsList is not supported StateImages property is not supported The OnChanging event is not supported not supported not supported not supported not supported not supported Default property is not supported MinDate property is not (fully) supported While programmatically setting a date is limited by MinDate/MaxDate, the calendar still allow to select dates that are out of that range MaxDate property is not (fully) supported While programmatically setting a date is limited by MinDate/MaxDate, the calendar still allow to select dates that are out of that range