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Added method to lookup enum value from corresponding type.

pull/60/head
David Hall 2019-02-24 18:36:37 -07:00
parent eba27e984c
commit 838f7fca10
1 changed files with 21 additions and 0 deletions
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21
Core/InteropServices/CorrespondingTypeAttribute.cs
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@ -71,6 +71,27 @@ namespace Vanara.InteropServices
/// <returns><c>true</c> if this type can get the specified reference type; otherwise, <c>false</c>.</returns>
public static bool CanGet(Type type, Type typeRef) => GetAttrForType(type).Any(a => a.Action.IsFlagSet(CorrepsondingAction.Get) && a.TypeRef == typeRef);
/// <summary>Determines whether an enum value exists that supports a corresponding type of <typeparamref name="T"/>.</summary>
/// <typeparam name="T">The corresponding type to look for.</typeparam>
/// <typeparam name="TEnum">The type of the enum.</typeparam>
/// <param name="value">The value of type <typeparamref name="TEnum"/> that has the corresponding type <typeparamref name="T"/>.</param>
/// <returns>
/// <see langword="true" /> if this instance can get the specified value; otherwise, <see langword="false" />.
/// </returns>
public static bool CanGet<T, TEnum>(out TEnum value) where TEnum : struct, System.Enum
{
foreach (TEnum v in Enum.GetValues(typeof(TEnum)))
{
if (CanGet(v, typeof(T)))
{
value = v;
return true;
}
}
value = default;
return false;
}
/// <summary>Determines whether this instance can set the type for the specified enum value or class.</summary>
/// <param name="value">The enumeration value or class instance.</param>
/// <param name="typeRef">The type supplied by the user to validate.</param>