OUVRIR FICHIER AVEC APPLICATION [DEMANDE FORUM]

#include <windows.h>

#include "resource.h"

HWND hed_exe;
HWND hed_file;

int __stdcall OpenFileWithExe()
{
	char szbuff[1024];
	char szexe[1024];
	char szfile[1024];
	
	SECURITY_ATTRIBUTES saAttr; 
	BOOL fSuccess; 
	HANDLE hPipeLecture, hPipeEcriture;
	
	GetWindowText(hed_exe, (char*)&szexe, 1024);
	GetWindowText(hed_file, (char*)&szfile, 1024);

	wsprintf((char*)&szbuff, """%s"" %s", (char*)&szexe, (char*)&szfile);

	saAttr.nLength = sizeof(SECURITY_ATTRIBUTES); 
	saAttr.bInheritHandle = TRUE; 
	saAttr.lpSecurityDescriptor = NULL; 

	// On créer la pipe
	if (! CreatePipe(&hPipeLecture, &hPipeEcriture, &saAttr, 0))
		return 1;

	STARTUPINFO si;
	PROCESS_INFORMATION pi;

	ZeroMemory( &si, sizeof(si) );
	si.cb = sizeof(si);
	si.hStdOutput = hPipeEcriture;
	ZeroMemory( &pi, sizeof(pi) );

	if( !CreateProcess( NULL,
		(char*)&szbuff,  
		NULL,             
		NULL,             
		FALSE,          
		CREATE_NEW_PROCESS_GROUP,              
		NULL,            
		NULL,             
		&si,             
		&pi )           
	) 
	{
		return 1;
	}

	CloseHandle( pi.hProcess );
	CloseHandle( pi.hThread );

	return 0;
}

BOOL CALLBACK AppDlgProc(HWND hdlg, UINT mssg, WPARAM wParam, LPARAM lParam)
{
    switch(mssg) {
        case WM_INITDIALOG:
            SetClassLong(hdlg, GCL_HICON, (long)LoadIcon(0, IDI_APPLICATION));
            hed_exe = GetDlgItem(hdlg, IDC_PATHEDIT);
			hed_file = GetDlgItem(hdlg, IDC_PATHFILE);
            return 1;
        case WM_COMMAND:
        switch(wParam) {
			case IDC_OUVRIR:
				if (OpenFileWithExe() != 0)
					MessageBox(hdlg, "Une erreur s'est produit lors de l'ouverture du fichier.", "Erreur", 0x40);
				return 1;

            case IDCANCEL: EndDialog(hdlg, 0);
        }
    }

    return 0;
}

int WINAPI WinMain(HINSTANCE hinst, HINSTANCE, PSTR, int)
{
    DialogBoxParam(hinst, (LPCTSTR)IDD_APP, 0, AppDlgProc, 0);
    
    return 0;
}