Created
June 29, 2018 00:57
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C# Runtime type Cast and CastEnumerable
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| static IEnumerable CastEnumerable(IEnumerable<object> input, Type t) | |
| { | |
| foreach(var o in input) | |
| { | |
| yield return Cast(o, t); | |
| } | |
| } | |
| static object Cast(object obj, Type t) | |
| { | |
| try | |
| { | |
| var param = Expression.Parameter(obj.GetType()); | |
| return Expression.Lambda(Expression.Convert(param, t), param) | |
| .Compile().DynamicInvoke(obj); | |
| } | |
| catch (TargetInvocationException ex) | |
| { | |
| throw ex.InnerException; | |
| } | |
| } |
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