How to TryParse for Enum value?

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Enum.IsDefined will get things done. It may not be as efficient as a TryParse would probably be, but it will work without exception handling.

public static TEnum ToEnum<TEnum>(this string strEnumValue, TEnum defaultValue)
{
    if (!Enum.IsDefined(typeof(TEnum), strEnumValue))
        return defaultValue;

    return (TEnum)Enum.Parse(typeof(TEnum), strEnumValue);
}

Worth noting: a TryParse method was added in .NET 4.0.

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