Using ArcGIS Mobile Visual Studio item templates
ArcGIS Mobile ships with the following three Visual Studio item templates for developing with the Windows application framework:
- ArcGIS Mobile Task
- ArcGIS Project Extension
- ArcGIS Mobile Application Page
To add a new item to your existing project, right-click your project in Solution Explorer and choose Add > New Item. The Add New Item dialog box appears.
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The dialog box lists all available item templates under the ArcGIS Mobile > Windows category. Choose one from the list on the right panel, name it, and click Add. Visual Studio automatically adds it as a new item to your existing project, using the same name space.

You can add multiple tasks or project extensions to the same project. Taking this approach allows you to build one assembly that contains multiple tasks and project extensions.
1/7/2015