Delphi Source Code
Search engine
HOME Components Tutorials Add Trick Links Contacts
ActiveX Components Database Files Forms Graphic Internet/Lan Math Miscellaneous Multimedia Printing Strings System Information Windows

Delphi source code for Components >> Make a Hole in a form

Category: Components
Title: Make a Hole in a form
Date added: 15.03.2006
Hits: 11121

procedure TForm1.Button1Click(Sender: TObject);
  region1, region2: hrgn;
  region1 := CreateRectRgn(0, 0, Width, Height);
  region2 := CreateEllipticRgn(30, 30, 200, 200);
  CombineRgn(region1, region1, region2, RGN_DIFF);
  SetWindowRgn(Handle, region1, True);

Related Delphi Source Code:
Delphi Tricks
Delphi Tricks
For any problems or recommendations about Delphi Tricks site, please

feel free to contact us on that e-mail:
If you want to advertise on the site use that e-mail:

You can freely use or modify these Delphi source codes for non-commercial use. We are not responsible of any damages that can be caused by the utilisation of that source codes.

Copyright © 2006-2010 AVSoftware Company. All rights reserved.
Hide IP tricks