The sample code is wrong (multiple issues)

### Type of issue

Code doesn't work

### Description

[(https://stackoverflow.com/questions/78803951/is-the-tobase64transform-code-sample-wrong)](https://stackoverflow.com/questions/78803951/is-the-tobase64transform-code-sample-wrong)

1. Members.cs file needs to have Copy to Output Directory set to Copy always, which is not stated in the article
2. if (!base64Transform.CanTransformMultipleBlocks) always fails
3. the length of the input block (always 3 bytes or fewer) is not being passed correctly
4. the code suggests file members.enc, but the comment suggests file membersvcs.enc

### Page URL

https://learn.microsoft.com/en-us/dotnet/api/system.security.cryptography.tobase64transform?view=net-8.0

### Content source URL

https://github.com/dotnet/dotnet-api-docs/blob/main/xml/System.Security.Cryptography/ToBase64Transform.xml

### Document Version Independent Id

cf28e95d-fa5a-7075-cd97-5eb195e27acc

### Article author

@dotnet-bot