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[Delphi] DLL which changes the title of process

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h4c0r-BG
Master Cheater

Reputation: 0

Joined: 29 Nov 2006
Posts: 449
Location: The yogurt country

Posted: Sun Dec 21, 2008 11:08 am Post subject: [Delphi] DLL which changes the title of process

Well I am trying to do a simple dll which:

•When i inject the dll in the process, the dll changes the application title.

I am doing the following:

Quote:

library Project2;

uses
Windows,
SysUtils,
Classes;

{$R *.res}

var
myhandle:thandle;
begin
myhandle:=0;
myhandle:=GetCurrentProcess;
if myhandle<>0 then
begin
Messagebox(0,'Click OK to change the title of the application','',0);
SetWindowText(myhandle,'MYNEWTITLEISHERE');
end;
end.

But it does not work => the title just does not change at all ... but I see the message box, since the value is different than 0 and seems that "i have the handle".
_________________

Last edited by h4c0r-BG on Sun Dec 21, 2008 11:10 am; edited 1 time in total

smartz993
I post too much

Reputation: 2

Joined: 20 Jun 2006
Posts: 2013
Location: USA

Posted: Sun Dec 21, 2008 11:10 am Post subject:

Code:

BOOL SetWindowText(
HWND hWnd,
LPCTSTR lpString
);

SetWindowText takes a handle to the window, aka hWnd.

A handle to the window is different than a handle to your process, which is obtained from GetCurrentProcess.

Use the FindWindow API to get a handle to the window.

Code:

HWND FindWindow(
LPCTSTR lpClassName,
LPCTSTR lpWindowName
);

Example:

Code:

SetWindowText(FindWindow(0,'MyWindowName'),'NewWindowName!');

Or in yours...

Quote:

library Project2;

uses
Windows,
SysUtils,
Classes;

{$R *.res}

var
myhandle:thandle;
begin
myhandle:=0;
myhandle:=FindWindow(0,'WindowName');
if myhandle<>0 then
begin
Messagebox(0,'Click OK to change the title of the application','',0);
SetWindowText(myhandle,'MYNEWTITLEISHERE');
end;
end.

Last edited by smartz993 on Sun Dec 21, 2008 11:14 am; edited 1 time in total

h4c0r-BG
Master Cheater

Reputation: 0

Joined: 29 Nov 2006
Posts: 449
Location: The yogurt country

Posted: Sun Dec 21, 2008 11:13 am Post subject:

Solved. Thank you very much. _________________

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