Property editors

Property editors are custom dialogs for editing special properties of a component. The standard property types, such as strings, images, or enumerated types, have default property editors, but special property types may require you to write custom property editors.

Custom property editors must extend from the class TPropertyEditor or one of its descendant classes. Property editors must be registered in the Register procedure using the function RegisterPropertyEditor from the unit PropEdits. An example of property editor class declaration is given as follows:

TPropertyEditor = class
  public
    function  AutoFill: Boolean; Virtual;
    procedure Edit; Virtual; // double-clicking the property value to activate
    procedure ShowValue; Virtual; //control-clicking the property value to activate
    function  GetAttributes: TPropertyAttributes; Virtual;
    function  GetEditLimit: Integer; Virtual;
    function  GetName: ShortString; Virtual;    
    function  GetHint(HintType...