| Leadtools.Dicom.AddIn Namespace > ThreadSafeDictionary<TKey,TValue> Class > Remove Method : Remove(TKey) Method | 
'Usage Dim instance As ThreadSafeDictionary(Of TKey,TValue) Dim key As TKey Dim value As Boolean value = instance.Remove(key)
| Exception | Description | 
|---|---|
| System.ArgumentNullException | key is null. | 
| System.NotSupportedException | The IDictionary is read-only. |