LogicLib extensions for checking Microsoft .NET framework versions and service packs.

"HasDotNet<version>" checks if the specific version of .NET framework is installed.

<version> can be replaced with the following values:
1.0
1.1
2.0
3.0
3.5

"AtLeastDotNetServicePack" checks if the .NET framework has a service pack version at least as specified.

"IsDotNetServicePack" checks if the .NET framework has a service pack version exactly as specified.