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


 
...Count the window handles used by your app?
Autor: P. Below
[ Print tip ]  

Tip Rating (6):  
     



function EnumProc(wnd: HWND; var count: DWORD): Bool; stdcall;
begin
  
Inc(count);
  result := True;
  EnumChildWindows(wnd, @EnumProc, integer(@count));
end;

procedure TForm1.Button1Click(Sender: TObject);
var
  
count: DWORD;
begin
  
count := 0;
  EnumThreadWindows(GetCurrentThreadID, @EnumProc, Integer(@count));
  Caption := Format('%d window handles in use', [count]);
end;


 

Rate this tip:

poor
very good


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