System.IO.PathHelper.GetInputBuffer C# (CSharp) Méthode

        private static uint GetInputBuffer(StringBuffer content, bool isDosUnc, out StringBuffer buffer)
        {
            uint length = content.Length;

            length += isDosUnc
                ? (uint)PathInternal.UncExtendedPrefixLength - PathInternal.UncPrefixLength
                : PathInternal.DevicePrefixLength;

            buffer = new StringBuffer(length);

            if (isDosUnc)
            {
                // Put the extended UNC prefix (\\?\UNC\) in front of the path
                buffer.CopyFrom(bufferIndex: 0, source: PathInternal.UncExtendedPathPrefix);

                // Copy the source buffer over after the existing UNC prefix
                content.CopyTo(
                    bufferIndex: PathInternal.UncPrefixLength,
                    destination: buffer,
                    destinationIndex: PathInternal.UncExtendedPrefixLength,
                    count: content.Length - PathInternal.UncPrefixLength);

                // Return the prefix difference
                return (uint)PathInternal.UncExtendedPrefixLength - PathInternal.UncPrefixLength;
            }
            else
            {
                uint prefixSize = (uint)PathInternal.ExtendedPathPrefix.Length;
                buffer.CopyFrom(bufferIndex: 0, source: PathInternal.ExtendedPathPrefix);
                content.CopyTo(bufferIndex: 0, destination: buffer, destinationIndex: prefixSize, count: content.Length);
                return prefixSize;
            }
        }