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C++ Help

 
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The0neThe0nly
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PostPosted: Sat Feb 04, 2012 8:47 am    Post subject: C++ Help Reply with quote
I'm creating a console application that should create a child window on a desired process. I am trying my best to get it to work. The program runs fine, but does not create a window. I am a beginner to C++.

Code:
// Attempt 5.cpp : Defines the entry point for the console application.
//

#include "stdafx.h"
#include <iostream>
#include <Windows.h>
#include <stdio.h>

using namespace std;

HINSTANCE hInst;
 
int main ()
{
   system("Title Hack");
 
   HWND hWnd = FindWindow(0, "Roblox - [Place1]"); // Finds the window
 
   if (hWnd == 0)
   {
      cout << "Could not Locate Window. It must be Place 1. Or you may have opened this before opening Place 1." << endl;
   }
   else
   {
      DWORD process;
      GetWindowThreadProcessId(hWnd, &process);
      HANDLE mainprocess = OpenProcess(PROCESS_ALL_ACCESS | PROCESS_VM_READ | PROCESS_VM_WRITE | PROCESS_VM_OPERATION, FALSE, process); // Gives MASSIVE access to the process.
      if (!mainprocess)
      {
         cout << "Could not locate process" << endl;
      }
      else
      {
            CreateWindowEx(NULL, "Window", "", WS_CHILD | WS_VISIBLE | WS_TABSTOP | WS_CLIPCHILDREN, 0, 0, 500, 380, hWnd, NULL, hInst, NULL);
            CreateWindowEx(-32744, "BUTTON", "Explorer", BS_PUSHBUTTON | WS_CHILD | WS_VISIBLE, 0, 377, 500, 20, hWnd, NULL, hInst, NULL);
      }
      CloseHandle(mainprocess);
      }
   system("pause");
   return 0;
}
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NoMercy
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PostPosted: Sat Feb 04, 2012 2:59 pm    Post subject: Reply with quote
You don't need the process Handle I guess. In the CreateWindow(ex) API call, check the HWND parent paramter. If you use the Parent window from the other process it should work.

EDIT: You should Register a class first to for creating the dialog

Last edited by NoMercy on Sat Feb 04, 2012 3:39 pm; edited 1 time in total
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atom0s
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PostPosted: Sat Feb 04, 2012 3:01 pm    Post subject: Reply with quote
You need to define a class for your child window to use or it wont be created.

Also your second CreateWindow call to create the button is incorrect, that is attempting to add the button to the main window, not your child window.
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The0neThe0nly
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PostPosted: Mon Feb 06, 2012 3:55 pm    Post subject: Reply with quote
My new code:

Code:
// Attempt 5.cpp : Defines the entry point for the console application.
//

#include "stdafx.h"
#include <iostream>
#include <Windows.h>
#include <stdio.h>
#include <fcntl.h>
#include <stdlib.h>
#include <io.h>
#include <string>
#include <sstream>
#include <vector>

using std::vector;

using namespace std;

HINSTANCE hInst;
HWND hWnd;
HWND hWndHax;
HWND ExplorerButton;

CRITICAL_SECTION cs;
HANDLE lsEvent;

bool APIENTRY DllMain(HMODULE hModule, DWORD ulReason, LPVOID lpReserved)
{
        hInst = (HINSTANCE)hModule;
       
        //Get rid of compiler warnings since we do not use this parameter.
        UNREFERENCED_PARAMETER(lpReserved);
       
        //If we are attaching to a process.
        if (ulReason == DLL_PROCESS_ATTACH)
        {
                //Do no need the thread-based attach/detach messages in this DLL.
                DisableThreadLibraryCalls(hModule);
        }
       
        //Signal for Loading/Unloading
       
        return (true);
}
 
int main ()
{
   system("Title The0neThe0nly");
 
   HWND hWnd = FindWindow(0, "Roblox - [Place1]"); // Finds the window
 
   if (hWnd == 0)
   {
      cout << "Could not Locate Window. It must be Place 1. Or you may have opened this before opening Place 1." << endl;
   }
   else
   {
      DWORD process;
      GetWindowThreadProcessId(hWnd, &process);
      HANDLE mainprocess = OpenProcess(PROCESS_ALL_ACCESS | PROCESS_VM_READ | PROCESS_VM_WRITE | PROCESS_VM_OPERATION, FALSE, process); // Gives MASSIVE access to the process.
      if (!mainprocess)
      {
         cout << "Could not locate process" << endl;
      }
      else
      { // -32744 is the Explorer ID
      ExplorerButton = CreateWindowEx(-32744, "BUTTON", "Explorer", BS_PUSHBUTTON | WS_CHILD | WS_VISIBLE, 0, 377, 500, 20, hWndHax, NULL, hInst, NULL);
         cout << "By The0neThe0nly" << endl;
      hWndHax = CreateWindowEx(NULL, "Hax", "", WS_CHILD | WS_VISIBLE | WS_TABSTOP | WS_CLIPCHILDREN, 0, 0, 500, 380, hWnd, NULL, hInst, NULL);

                     ShowWindow(ExplorerButton, SW_SHOW);
                        ShowWindow(hWndHax, SW_SHOW);
                        SetFocus(hWndHax);

      }
      CloseHandle(mainprocess);
      }
   system("pause");
   return 0;
}


Quote:
You need to define a class for your child window to use or it wont be created.


How do I do that?

EDIT: I accidentally mixed in some code from other projects, sorry about that.
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atom0s
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PostPosted: Mon Feb 06, 2012 4:13 pm    Post subject: Reply with quote
RegisterClass or RegisterClassEx
http://msdn.microsoft.com/en-us/library/windows/desktop/ms633586%28v=vs.85%29.aspx
http://msdn.microsoft.com/en-us/library/windows/desktop/ms633587%28v=vs.85%29.aspx

You'll need to register the class then use the new class name when you create your child window.
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