Invalid ToStringAdvanced implementation for Flag enums

This topic has 0 replies, 2 voices, and was last updated 1 year, 8 months ago by Gavalakis.

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October 4, 2023 at 12:05 pm #15318

anton petrov

Participant

Fixed version which allows any bit values withing enumeration:

if (t.RTIsDefined<System.FlagsAttribute>(true))

{

var list = System.Enum.GetValues(t);

// calculate the sum of all flags in the enumeration.

var all = 0;

for (var i = 0; i < list.Length; i++)

all |= Convert.ToInt32(list.GetValue(i));

var oval = Convert.ToInt32(o);

// no matching bits.

if ((oval & all) == 0)

return "Nothing";

// all bits are matching.

if ((oval & all) == all)

return "Everything";

for (var i = 0; i < list.Length; i++)

{

var e = list.GetValue(i);

var eval = Convert.ToInt32(e);

// skip zero entries.

if (eval == 0)

continue;

// check if it is an exact match.

if ((oval & eval) == oval)

return e.ToString();

}

return "Mixed...";

}

October 9, 2023 at 12:17 pm #15319

Gavalakis

Keymaster

Hello,

Thank you 🙂

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