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Customizing Persistence

By `Lex Li`_

This page shows you how to customize persistence.

In this article:

Layout File Format

DockPanel.Persistor.SaveAsXml is the method who saves current layout to an XML file.

It is not recommended to manually edit the generated layout file, as its syntax is complicated.

To achieve customization, it is recommended to override the persistent string.

Overriding Persistent String

As the sample project shows, by default when current layout is saved to disk only class name is persisted. As a result, in delegate IDockContent DeserializeDockContent(string persistString) only class name is used to reconstruct the layout.

The current design gives you flexibility to control what other information about each dock items to be persisted, as the method DockContent.GetPersistString() can be overridden by derived classes. By properly overriding it, extra data (such as custom data about the internal components of a dock item) can be appended to the string. Thus, when the layout is reconstructed, the extended persist string can be analyzed and extra data can be extracted and used.

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