The best way to implement a structure like a Union

[Guest]

Hello,

I would like to have a structure similar to C++ Union. What would be the
best way to do it in C#?

Thanks
EitanB

 

[Peter Duniho]

I would like to have a structure similar to C++ Union. What would be the
best way to do it in C#?

I have some recollection that the FieldOffsetAttribute class can be used
for this purpose, by specifying the same offset for multiple field
within the struct.

I might be misremembering, but just in case I'm not, you might want to
look here:
http://msdn2.microsoft.com/en-us/library/system.runtime.interopservices.fieldoffsetattribute.aspx

Pete

 

[Guest]

For example:
C++:
union Foo
{
int i;
bool b;
};
C#:
using System.Runtime.InteropServices;
//C++ TO C# CONVERTER TODO TASK: Unions are not supported in C#, but the
following union can be simulated with the StructLayout and FieldOffset
attributes.
//ORIGINAL LINE: union Foo
[StructLayout(LayoutKind.Explicit)]
public struct Foo
{
[FieldOffset(0)]
public int i;
[FieldOffset(0)]
public bool b;
}
--
David Anton
http://www.tangiblesoftwaresolutions.com
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