Dictionary.Exists Method (VB6) |
Named Arguments
Yes
Syntax
dictionaryobject.Exists(key)
dictionaryobject
Use: Required
Data Type: Dictionary object
A reference to a Dictionary object.
key
Use: Required
Data Type: String
The key value being sought.
Return Value
Boolean.
Description
Determines if a given key is present in a Dictionary object.
Rules at a Glance
Returns True if the specified key exists in the Dictionary object; False if not.
Programming Tips and Gotchas
If you attempt to return the Item of a nonexistent key, or assign a new key to a nonexistent key, the nonexistent key is added to the dictionary, along with a blank item. To prevent this, you should use the Exists property to ensure that the Key is present in the dictionary before proceeding.
Example
If oDict.Exists(strOldKey) Then oDict.Key(strOldKey) = strNewKey End If
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