Language Reference Guide : System Classes : StringHashTable Class : Contains Method
 
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Contains Method
The Contains method checks the existence of an object within the hash table.
This method has the following syntax:
integer = StringHashTable.Contains(
          key = varchar(2000) | object = Object |
          key = varchar(2000), object = Object)
This method has the following parameters, one of which is required:
key
Checks if any object with the specified key exists
object
Checks if the specified object with any key exists
key, object
Checks if the specified object with the specified key exists
This method returns TRUE if the condition was met; otherwise it returns FALSE.