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Here's how:
C#
protected void CheckInterfaceImpl(Type someType)
{
Type[] listInterfaces = someType.GetType().GetInterfaces();
foreach (Type t in listInterfaces)
{
if (t.GetGenericTypeDefinition() == typeof(IEnumerable<>))
{
// Implements IEnumerable<T>
}
else
{
// Does not Implement IEnumerable<T>
}
}
}
VB.NET
Protected Sub CheckInterfaceImpl(ByVal someType As Type)
Dim listInterfaces() As Type = someType.GetType.GetInterfaces()
For Each t As Type In listInterfaces
If t.GetGenericTypeDefinition() Is GetType(IEnumerable(Of )) Then
' Implements IEnumerable<T>
Else
' Does not Implement IEnumerable<T>
End If
Next t
End Sub
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About The Author
comments
1 Response to "Determine if an object implements IEnumerable of (T)"This code does not work at all.
1. someType.GetType() returns typeof(Type).
2. GetGenericTypeDefinition() is only valid for generic types, it will throw InvalidOpertaionException as soon as it reaches first non-generic interface.
Here is my solution (C#):
static bool IsIEnumerableT (Type someType)
{
return someType.GetInterface (typeof(IEnumerable<>).FullName) != null;
}
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