public static IntPtr VirtualAlloc(int size) { IntPtr memoryHandle = VirtualAlloc(IntPtr.Zero, (UIntPtr)size, AllocationType.Commit, MemoryProtection.ReadWrite); if (memoryHandle == IntPtr.Zero) { int lastError = Marshal.GetLastWin32Error(); Log.Error?.Out($"Не удалось выделить память: {lastError} {WinErrors.GetSystemMessage(lastError)}"); } return(memoryHandle); }
public static IntPtr Open() { IntPtr handle = CreateFile("\\\\.\\fdraw0", EFileAccess.GenericRead | EFileAccess.GenericWrite, 0, IntPtr.Zero, ECreationDisposition.OpenExisting, 0, IntPtr.Zero); if ((int)handle == INVALID_HANDLE_VALUE) { int lastError = Marshal.GetLastWin32Error(); Log.Error?.Out($"Не удалось открыть драйвер: {lastError} {WinErrors.GetSystemMessage(lastError)}"); return(handle); } return(handle); }
public static unsafe IntPtr Open(DataRate dataRate, Drive drive) { string fileName = drive == Drive.A ? "\\\\.\\fdraw0" : "\\\\.\\fdraw1"; IntPtr handle = CreateFile(fileName, EFileAccess.GenericRead | EFileAccess.GenericWrite, 0, IntPtr.Zero, ECreationDisposition.OpenExisting, 0, IntPtr.Zero); if ((int)handle == INVALID_HANDLE_VALUE) { int lastError = Marshal.GetLastWin32Error(); Log.Error?.Out($"Не удалось открыть драйвер: {lastError} {WinErrors.GetSystemMessage(lastError)} {(lastError == 2 ? $"(Drive {drive}: is not installed)" : "")}"); return(handle); } uint dwRet; bool r = DeviceIoControl(handle, IOCTL_FD_SET_DATA_RATE, (IntPtr)(&dataRate), sizeof(byte), IntPtr.Zero, 0, out dwRet, IntPtr.Zero); if (!r) { int lastError = Marshal.GetLastWin32Error(); Log.Error?.Out($"Ошибка при установке DataRate: {lastError} {WinErrors.GetSystemMessage(lastError)}"); } return(handle); }