private GetFileType ( SafeFileHandle handle ) : int | ||
handle | SafeFileHandle | |
return | int |
internal static IntPtr SafeCreateFile(String lpFileName, int dwDesiredAccess, System.IO.FileShare dwShareMode, SECURITY_ATTRIBUTES securityAttrs, System.IO.FileMode dwCreationDisposition, int dwFlagsAndAttributes, IntPtr hTemplateFile) { IntPtr handle = CreateFile(lpFileName, dwDesiredAccess, dwShareMode, securityAttrs, dwCreationDisposition, dwFlagsAndAttributes, hTemplateFile); if (handle != Win32Native.INVALID_HANDLE_VALUE) { int fileType = Win32Native.GetFileType(handle); if (fileType != Win32Native.FILE_TYPE_DISK) { Win32Native.CloseHandle(handle); throw new NotSupportedException(Environment.GetResourceString("NotSupported_FileStreamOnNonFiles")); } } return(handle); }