Components for Delphi and C++ Builder.

reproduce step:
1. create simple VCL Application:

type
TForm1 = class(TForm)
FindDialog1: TFindDialog;
Button1: TButton;
DBComboBoxEh1: TDBComboBoxEh;

procedure Button1Click(Sender: TObject);

private
{ Private declarations }
public
{ Public declarations }
end;

var
Form1: TForm1;

implementation

{$R *.dfm}



procedure TForm1.Button1Click(Sender: TObject);
begin
FindDialog1.Execute();

end;

2.run the app

3.click the DBComboBoxEh1, then click the Button1, the TFindDialog shown

4.close the TFindDialog, the Form1 disappeared, you have to click the taskbar button to bring it to front


I have study it a few, i found it have relation with the new TPopupListboxFormEh after the V9.1
but i can not fix it