SPAppInstance.GetPreviousAppVersion method
Retrieves the version of the app that is being upgraded from during an upgrade.
Namespace: Microsoft.SharePoint.Administration
Assembly: Microsoft.SharePoint (in Microsoft.SharePoint.dll)
Syntax
'Declaration
Public Function GetPreviousAppVersion As SPApp
'Usage
Dim instance As SPAppInstance
Dim returnValue As SPApp
returnValue = instance.GetPreviousAppVersion()
public SPApp GetPreviousAppVersion()
Return value
Type: Microsoft.SharePoint.Administration.SPApp
The version of the app being upgraded from. Otherwise, a null reference (Nothing in Visual Basic).