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Creating an IntelliSense Compatible Enum-Based Dependency Property

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Creating an IntelliSense Compatible Enum-Based Dependency Property

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Actually, this post has a way too fancy title , because in fact I will merely show that enum-based dependency properties are IntelliSense compatible “out-of-the-box”. (by the way, if you know all about dependcy properties: simply read the line in bold and you’ll know all there is to know).

When creating a (WP7/SL/WPF) usercontrol, one often ends up creating one more dependency properties (DP). Most of the times you only want a discrete set of possible values that can be assigned to the DP. The logical choice then of course is to have an enum-based DP.

Now, for the Intellisense to work it is important that you define the enum type OUTSIDE the usercontrols class. For example, suppose we have define the following enum:

Now, all that remains is to add a DP that uses this enum (remember that you can use the ‘dependencyproperty’ snippet that comes with VS):

Once you now add the usercontrol elsewhere in your xaml-code, IntelliSense will happily show what values can be assigned to the DP:

There we go. That’s all there was too it.

Next post I’ll show how to create a WP7 user control to plot graphs using data binding. Consider some of the code here a sneak preview.

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