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列出控件所有属性和事件

Tags: /超级猛料/VCL/Control.控件使用开发和第三方控件/控件使用技巧/   Date Created:

list all properties, events of a component?

列出控件所有属性和事件?

uses

 TypInfo;

procedure ListComponentProperties(Component: TComponent; Strings: TStrings);

var

 Count, Size, I: Integer;

 List: PPropList;

 PropInfo: PPropInfo;

 PropOrEvent, PropValue: string;

begin

 Count := GetPropList(Component.ClassInfo, tkAny, nil);

 Size  := Count * SizeOf(Pointer);

 GetMem(List, Size);

 try

   Count := GetPropList(Component.ClassInfo, tkAny, List);

   for I := 0 to Count - 1 do

   begin

     PropInfo := List^[I];

     if PropInfo^.PropType^.Kind in tkMethods then

       PropOrEvent := 'Event'

     else

       PropOrEvent := 'Property';

     PropValue := VarToStr(GetPropValue(Component, PropInfo^.Name));

     Strings.Add(Format('[%s] %s: %s = %s', [PropOrEvent, PropInfo^.Name,

       PropInfo^.PropType^.Name, PropValue]));

   end;

 finally

   FreeMem(List);

 end;

end;

// Example: List all Properties/Events from Button1 in a TListBox

procedure TForm1.Button1Click(Sender: TObject);

begin

 ListComponentProperties(Button1, ListBox1.Items);

end;