Occurs when a SharePoint project item folder opens.
Assembly: Microsoft.VisualStudio.SharePoint (in Microsoft.VisualStudio.SharePoint.dll)
To "open" a project item folder, you can either double-click on SharePoint project item folder, press the Enter key, or execute an "Open" command.
A project item type provider or extension can override the default behavior by setting Handled to true.
- Full trust for the immediate caller. This member cannot be used by partially trusted code. For more information, see Using Libraries from Partially Trusted Code.