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

70 Visitors Online


 
...get the pixel color in a canvas on the current mouse position?
Autor: Horst Kniebusch
Homepage: http://members.tripod.de/Kniebusch
[ Print tip ]  

Tip Rating (10):  
     


{
  Shows the color of a canvas pixel at the current mouse position:
  
  Zeigt die Farbe des Pixels eines Canvas an der jeweiligen Mausposition an:
}

procedure TForm1.Image1MouseMove(Sender: TObject; Shift: TShiftState; X,
  Y: Integer);
begin
  
Form1.Color := Image1.Canvas.Pixels[x, y];
end;


 

Rate this tip:

poor
very good


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