C# (CSharp) PixelDotNet.SystemLayer SafeNativeMethods.CreateFileMappingW Beispiele

Beispiel #1

        public SingleInstanceManager(string moniker)
        {
            int error = NativeConstants.ERROR_SUCCESS;

            if (moniker.IndexOf('\\') != -1)
            {
                throw new ArgumentException("moniker must not have a backslash character");
            }

            this.mappingName = "Local\\" + moniker;

            this.hFileMapping = SafeNativeMethods.CreateFileMappingW(
                NativeConstants.INVALID_HANDLE_VALUE,
                IntPtr.Zero,
                NativeConstants.PAGE_READWRITE | NativeConstants.SEC_COMMIT,
                0,
                mappingSize,
                mappingName);

            error = Marshal.GetLastWin32Error();

            if (this.hFileMapping == IntPtr.Zero)
            {
                throw new Win32Exception(error, "CreateFileMappingW() returned NULL (" + error.ToString() + ")");
            }

            this.isFirstInstance = (error != NativeConstants.ERROR_ALREADY_EXISTS);
        }