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StaticReflection.cs
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StaticReflection.cs
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using System;
using System.Linq.Expressions;
namespace Ekra14.AltFXtension
{
public static class StaticReflection
{
#region Public Methods
public static string GetMemberName<TEntity, TMember>(this TEntity entity, Expression<Func<TEntity, TMember>> expression)
{
return GetMemberName(expression);
}
public static string GetMemberName<TEntity, TMember>(Expression<Func<TEntity, TMember>> expression)
{
return GetMemberExpression(expression).Member.Name;
}
public static string GetMemberName<TEntity>(Expression<Func<TEntity, object>> expression)
{
return GetMemberName<TEntity, object>(expression);
}
#endregion
#region Private Methods
private static MemberExpression GetMemberExpression<TEntity, TMember>(Expression<Func<TEntity, TMember>> expression)
{
MemberExpression memberExpression = null;
switch (expression.Body.NodeType)
{
case ExpressionType.Convert:
var body = (UnaryExpression)expression.Body;
memberExpression = body.Operand as MemberExpression;
break;
case ExpressionType.MemberAccess:
memberExpression = expression.Body as MemberExpression;
break;
}
if (memberExpression == null)
{
throw new ArgumentException("Not a member access", "expression");
}
return memberExpression;
}
#endregion
}
}