ApplicationSettingsBase.GetPreviousVersion(String) Method
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Returns the value of the named settings property for the previous version of the same application.
public:
System::Object ^ GetPreviousVersion(System::String ^ propertyName);public object GetPreviousVersion(string propertyName);member this.GetPreviousVersion : string -> objPublic Function GetPreviousVersion (propertyName As String) As Object- propertyName
- String
A String containing the name of the settings property whose value is to be returned.
An Object containing the value of the specified SettingsProperty if found; otherwise, null.
The property does not exist. The property count is zero or the property cannot be found in the data store.
The GetPreviousVersion method is often used in conjunction with the Upgrade method when migrating application settings during the installation of a new version of an application.
| Product | Versions |
|---|---|
| .NET | 8 (package-provided), 9 (package-provided), 10 (package-provided) |
| .NET Framework | 2.0, 3.0, 3.5, 4.0, 4.5, 4.5.1, 4.5.2, 4.6, 4.6.1, 4.6.2, 4.7, 4.7.1, 4.7.2, 4.8, 4.8.1 |
| .NET Standard | 2.0 (package-provided) |
| Windows Desktop | 3.0, 3.1, 5, 6, 7, 8, 9, 10 |
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