What is a read only object? e. g.static readonly object padlock = new object();

mkatpatal
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Dec 7th, 2006
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sbehera02
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Dec 14th, 2006

A read only member is like a constant in that it represents an unchanging value. The difference is that a readonly member can be initialized at runtime, in a constructor as well being able to be initialized as they are declared. For example
public class MyClass
{
public readonly double PI = 3.14159;
}
Because a readonly field can be initialized either at the declaration or in a constructor, readonly fields can have different values depending on the constructor used. A readonly field can also be used for runtime constants as in the following example
public static readonly uint l1 = (uint)DateTime.Now.Ticks;