## CustomXmlPart.DataChecksum property Specifies a cyclic redundancy check (CRC) checksum of the [`Data`](../data/) content. ```csharp public long DataChecksum { get; } ``` ## Examples Shows how th......"<root><text>ContentControl</text></root>"), "/root/text", "");...ToString(), "<root><text>Updated ContentControl</text></root>"), "/root/text"...