动态创建组件TEdit

//动态创建组件TEdit 

procedure TForm1.FormMouseDown(Sender: TObject; Button: TMouseButton;
  Shift: TShiftState; X, Y: Integer);
var
  Edit:TEdit;
begin
  Edit :=Tedit.Create( nil);
  Edit.parent :=Self;
  Edit.Show;
  Edit.Left := x;
  Edit.Top := y;
end;
{ tedit1 }
procedure TForm1.FormDestroy(Sender: TObject);
var
  i:integer;
begin
   try
     for i := 0 to self.ComponentCount - 1 do
     begin
       if self.Components[i] is TEDIT then
        TEDIT(self.Components[i]).Free;
     end;
   except
    exit;
   end;
end;




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