FromBase64String Method maximum length

FromBase64St开发者_如何转开发ring Method maximum length

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Basically as long as is practical - you'll be hit by other limitations (maximum size of a string, or indeed any object) before you hit a problem in FromBase64String itself.

If you want to read huge amounts of base64 data, you'll need to split it up. So long as you read chunks which are multiples of 4 characters at a time, you should be able to transform it one chunk at a time without any problem.