Name
Hashtable.Remove Method
Class
System.Collections.Hashtable
Syntax
hashtablevariable
.Remove(key
)
-
hashtablevariable
Use: Required
Data Type: Hashtable object
A reference to a Hashtable object
-
key
Use: Required
Data Type: Object
The key whose key/value pair is to be removed
Return Value
None
Description
Removes an element from a hash table
Rules at a Glance
If
key
is found in the hash table, the member is removed, and the Count property is decreased by one.If
key
is not found in the hash table, the hash table remains unchanged, and no exception is thrown.
Programming Tips and Gotchas
For cases in which you need to know whether the call to the Remove method has actually removed a key, you can call the ContainsKey method beforehand to make sure that the key you want to remove actually exists.
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