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C# Frequently Asked Questions
The C# team posts answers to common questions and describes new language features
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C# Frequently Asked Questions
What does the /target: command line option do in the C# compiler?
Posted
over 8 years ago
by
CSharpFAQ
5
Comments
All the /target: options except module create .NET assemblies. Depending on the option, the compiler adds metadata for the operating system to use when loading the portable executable (PE) file and for the runtime to use in executing the contained assembly...
C# Frequently Asked Questions
What is the difference between const and static readonly?
Posted
over 8 years ago
by
CSharpFAQ
8
Comments
The difference is that the value of a static readonly field is set at run time, and can thus be modified by the containing class, w hereas the value of a const field is set to a compile time constant. In the static readonly case, the containing class...
C# Frequently Asked Questions
How do I create a constant that is an array?
Posted
over 8 years ago
by
CSharpFAQ
8
Comments
Strictly speaking you can't, since const can only be applied to a field or local whose value is known at compile time. In both the lines below, the right-hand is not a constant expression (not in C#). const int [] constIntArray = newint [] {2...
C# Frequently Asked Questions
How do I get and set Environment variables?
Posted
over 8 years ago
by
CSharpFAQ
6
Comments
Use the System.Environment class. Specifically the GetEnvironmentVariable and SetEnvironmentVariable methods. Admitedly, this is not a question specific to C#, but it is one I have seen enough C# programmers ask, and the ability to set environment variables...
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