1   
2   //---------------------------------------------------------------------------
3   
4   #include <vcl.h>
5   #pragma hdrstop
6   
7   #include "Unit1.h"
8   //---------------------------------------------------------------------------
9   #pragma package(smart_init)
10  #pragma resource "*.dfm"
11  TForm1 *Form1;
12  //---------------------------------------------------------------------------
13  __fastcall TForm1::TForm1(TComponent* Owner)
14          : TForm(Owner)
15  {
16  }
17  //---------------------------------------------------------------------------
18  
19  void __fastcall TForm1::FormCreate(TObject *Sender)
20  {
21  HRGN hRegion;
22  BorderStyle = bsNone;
23    hRegion = CreateEllipticRgn(1, 1, 200, 200);
24    SetWindowRgn(Handle, hRegion, true);
25  }
26  //---------------------------------------------------------------------------