]、。·ˉˇ¨〃々—~‖…’”〕〉》」』〗】∶!"'),.:;?]` 继承TEdit,重载CreateParams,修改Param即可。
procedure TEdit_Ex.CreateParams(var Params: TCreateParams);
begin
inherited;
if self.FTextOnRight then Params.Style:=Params.Style or ES_RIGHT;
end;