Xml or properties file

The Properties window provides basic information about the document that is active in the XML editor. The properties that are available vary depending on the type of XML document that is currently active.

All XML document properties are saved in the solution. As a result, you do not have to reenter these values the next time you open the solution. The character encoding for the file. Changing this property also changes the encoding attribute on the XML declaration, and vice versa. The new encoding is used to encode the file when you save the file. DataSource : This important property tells the project system the location to read and write the property value, and its grouping explained later.

For cl. The other possible value is "UserFile" , which will write the value to the. If this field isn't set, then the property is written as a common property in a PropertyGroup. Visual Studio and later use labeled groups to navigate the. The groups that contain most Rule properties have an empty string as a label. The following value is written to the project file. Notice the configuration condition attached to the parent ItemDefinitionGroup. If this value is set in the property page for a specific file, such as stdafx.

Notice how the configuration condition is directly attached to the metadata itself:. Another attribute of DataSource not listed here is PersistedName. You can use this attribute to represent a property in the project file using a different name. By default, this attribute is set to the property's Name. An individual property can override the DataSource of its parent Rule. In that case, the location for that property's value will be different from other properties in the Rule.

There are other attributes of a Rule , including Description and SupportsFileBatching , that aren't shown here. The full set of attributes applicable to a Rule or on any other element can be obtained by browsing the documentation for these types. Alternately, you can examine the public properties on the types in the Microsoft. XamlTypes namespace in the Microsoft. These properties are almost certain to be used by any UI that is used to display the property pages.

DisplayName and Description are two properties that are present on almost all elements in the XML file. And, these two properties are the only ones that are localized. A Rule can have multiple Category elements. The order in which the categories are listed in the XML file is a suggestion to the UI to display the categories in the same order.

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Pass by value: Passing a copy of the value, not the original reference. Pass by reference: Passsing the address of the object, so that you can access the original object.

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