whats new ¦  programming tips ¦  indy articles ¦  intraweb articles ¦  informations ¦  links ¦  interviews
 misc ¦  tutorials ¦  Add&Win Game

Tips (1541)

Database (90)
Files (137)
Forms (107)
Graphic (114)
IDE (21)
Indy (5)
Internet / LAN (130)
IntraWeb (0)
Math (76)
Misc (126)
Multimedia (45)
Objects/
ActiveX (51)

OpenTools API (3)
Printing (35)
Strings (83)
System (266)
VCL (242)

Top15

Tips sort by
component


Search Tip

Add new Tip

Add&Win Game

Advertising

39 Visitors Online


 
...draw a bitmap on the desktop?
Autor: Rohrbach Cedric
Homepage: http://www.delphixgames.ch
[ Print tip ]  

Tip Rating (4):  
     


procedure TForm1.Button1Click(Sender: TObject);
var
  
Picture: TPicture;
  Desktop: TCanvas;
  X, Y: Integer;
begin
  
// Objekte erstellen
  // create objects
  
Picture := TPicture.Create;
  Desktop := TCanvas.Create;

  // Bild laden
  // load bitmap
  
Picture.LoadFromFile('bitmap1.bmp');

  // Gerätekontex vom Desktop ermitteln
  // get DC of desktop
  
Desktop.Handle := GetWindowDC(0);

  // Position des Bildes
  // position of bitmap
  
X := 100;
  Y := 100;

  // Bild zeichnen
  // draw bitmap
  
Desktop.Draw(X, Y, Picture.Graphic);

  // Gerätekontex freigeben
  
ReleaseDC(0, Desktop.Handle);

  // Objekte freigeben
  // release objects
  
Picture.Free;
  Desktop.Free;
end;


 

Rate this tip:

poor
very good


Copyright © by SwissDelphiCenter.ch
All trademarks are the sole property of their respective owners