There’s already a BCL FAQ on MSDN,

http://msdn.microsoft.com/en-us/netframework/aa569605.aspx

This document is a supplement to the FAQ.

1. How do I compare two DateTime objects?

2. How do I handle dates and times that include DST?

3. What’s the difference between (int), Int32.Parse and Convert.ToInt32?

4. How do I convert a hexadecimal string to decimal/long?

5. What is the equivalent function in C# for the function IsDate in VB?

6. How do I get the maximum path/directory length?

7. How do I convert a string to an int, double, etc.?

8. How do I use the SerialPort Class for simple serial communications?

9. How do I check whether a file is in use?

10. How do I start another program from .NET?

11. How do I make sure that only one instance of my application runs at a time?

12. Does .NET have any compression/zipping capabilities?

13. How do I retrieve assembly attributes at runtime?

14. How do I create an instance of a type if I only know its name?

15. How do I link a delegate to an event using Reflection?

16. How do I listen to changes in a file/directory in the windows file system?

17. How do I convert a long path to a short path?

18. How do I convert an Enumeration member to a string?

Please remember to mark the replies as answers if they help and unmark them if they provide no help.
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