FAQ C++ BuilderConsultez toutes les FAQ

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AnsiString fichier = "C:\\monFichier.txt"; 
SHAddToRecentDocs(SHARD_PATH, fichier);

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HWND Bureau = FindWindow("Progman", "Program Manager"); 
ShowWindow(Bureau, SW_HIDE);

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HWND Bureau = FindWindow("Progman", "Program Manager"); 
ShowWindow(Bureau, SW_SHOW);

ExitWindowsEx(EWX_LOGOFF,0);

ExitWindowsEx(EWX_LOGOFF | EWX_FORCE,0);

SetSystemPowerState(False,True);

ExitWindowsEx(EWX_REBOOT,0);

ExitWindowsEx(EWX_REBOOT | EWX_FORCE,0);

ExitWindowsEx(EWX_SHUTDOWN,0);

ExitWindowsEx(EWX_SHUTDOWN | EWX_FORCE,0);

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AnsiString __fastcall GetWindowsVersion() 
{ 
   AnsiString result; 
   switch(Win32MajorVersion) 
   { 
      case 3: result = "Windows NT 3.51";break; 
      case 4: 
         switch(Win32MinorVersion) 
         { 
            case 0: 
               switch (Win32Platform) 
               { 
                  case 1: 
                  { 
                     switch (Win32CSDVersion[1]) 
                     { 
                        case 'A': result = "Windows 95 SP 1";break; 
                        case 'B': result = "Windows 95 SP 2";break; 
                     } 
                     break; 
                  } 
                  case 2: result = "Windows NT 4.0";break; 
               } 
               break; 
            case 10: 
               switch (Win32CSDVersion[1]) 
               { 
                  case 'A': result = "Windows 98 SP 1";break; 
                  case 'B': result = "Windows 98 SP 2";break; 
               } 
               break; 
            case 90: result = "Windows ME";break; 
         } 
         break; 
      case 5: 
         switch (Win32MinorVersion) 
         { 
            case 0: result = "Windows 2000";break; 
            case 1: result = "Windows XP";break; 
            case 2: result = "Windows 2003";break; 
         } 
         break; 
   } 
   if (result.IsEmpty()) 
   { 
      result = "Inconnue"; 
   } 
   return result; 
}

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AnsiString __fastcall GetMac() 
{ 
    AnsiString mac(""); 
    DWORD t_computer(MAX_COMPUTERNAME_LENGTH + 1); 
    char *name_computer=new char[t_computer]; 
    if( GetComputerName(name_computer, &t_computer) ) 
    { 
        mac=AnsiString(name_computer); 
    } 
    delete[] name_computer; 
    return mac; 
}

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AnsiString __fastcall GetUser() 
{ 
    AnsiString user(""); 
    DWORD t_user(256); 
    char *name_user=new char[t_user]; 
    if( GetUserName(name_user, &t_user) ) 
    { 
        user=AnsiString(name_user); 
    } 
    delete[] name_user; 
    return user; 
}

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//change la propriété de la barre de tâches 
_AppBarData TaskBar; 
TaskBar.hWnd = FindWindow("Shell_TrayWnd", NULL); 
TaskBar.cbSize = sizeof(TaskBar); 
if((UINT) SHAppBarMessage(ABM_GETSTATE, &TaskBar) == ABS_ALWAYSONTOP) 
{ 
    TaskBar.lParam = ABS_AUTOHIDE ; 
} 
else 
{ 
    TaskBar.lParam = ABS_ALWAYSONTOP; 
} 
if( (UINT) SHAppBarMessage(ABM_SETSTATE, &TaskBar) == false ) 
{ 
    Application->MessageBox("Erreur de changement de propriété", "Erreur", MB_OK); 
}

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-------------------------------------------------------------------------------- 
[C++ Error] shobjidl.h(2193): E2238 Multiple declaration for 'FOLDERSETTINGS' 
[C++ Error] shobjidl.h(8095): E2238 Multiple declaration for 'DESKBANDINFO' 
[C++ Error] shlobj.h(1422): E2238 Multiple declaration for 'FVSHOWINFO'  
--------------------------------------------------------------------------------

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BOOL IsAdmin(void) 
{ 
  HANDLE hProcess, hAccessToken; 
  
  UCHAR InfoBuffer[1024]; 
  PTOKEN_GROUPS ptgGroups = (PTOKEN_GROUPS)InfoBuffer; 
  DWORD dwInfoBufferSize; 
  PSID psidAdministrators; 
  SID_IDENTIFIER_AUTHORITY siaNtAuthority = SECURITY_NT_AUTHORITY; 
  UINT x; 
  
  hProcess = GetCurrentProcess(); 
  
  if(!OpenProcessToken(hProcess,TOKEN_READ,&hAccessToken)) 
      return(FALSE); 
  
  if(!GetTokenInformation(hAccessToken,TokenGroups,InfoBuffer, 
      1024, &dwInfoBufferSize)) return(FALSE); 
  
  AllocateAndInitializeSid(&siaNtAuthority, 2, 
      SECURITY_BUILTIN_DOMAIN_RID, 
      DOMAIN_ALIAS_RID_ADMINS, 
      0, 0, 0, 0, 0, 0, 
      &psidAdministrators); 
  
  for(x=0;x<ptgGroups->GroupCount;x++) 
  { 
      if( EqualSid(psidAdministrators, ptgGroups->Groups[x].Sid) ) 
      { 
        FreeSid(&psidAdministrators); 
        return( TRUE ); 
      } 
  } 
  FreeSid(&psidAdministrators); 
  return(FALSE); 
}

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char path[200]; 
// Récupère le chemin de l'image utilisée comme papier peint 
if(SystemParametersInfo(  SPI_GETDESKWALLPAPER, 
                          200, 
                          path, 
                          0) == TRUE) 
{ 
    AnsiString Chemin; 
    float i=0; 
    // Garde la proportion de l'écran pour l'affichage de l'image 
    Image1->Picture->LoadFromFile(path); 
    i = (float)Screen->Height/(float)Screen->Width; 
    Image1->Height = i * Image1->Width; 
}

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if(OpenDialog1->Execute()) 
{ 
   Image1->Picture->LoadFromFile(OpenDialog1->FileName); 
   Image1->Canvas->TextOutA(10,10,"modif de l'image par Builder"); 
   Image1->Picture->SaveToFile(OpenDialog1->FileName); 
  
   if(SystemParametersInfo( SPI_SETDESKWALLPAPER, 
                            OpenDialog1->FileName.Length(), 
                            OpenDialog1->FileName.c_str(), 
                            WM_SETTINGCHANGE) != TRUE) 
   { 
       Button2->Caption = "Erreur"; 
   } 
}