ICogDatabase.Fetch Method (String)

ICogDatabase Fetch Method (String)

Cognex VisionPro

Create an ICogRecord that duplicates the item specified by the supplied key. Note that a new ICogRecord is created every time this method is called.

Namespace: Cognex.VisionPro.Database
Assembly: Cognex.VisionPro.Database (in Cognex.VisionPro.Database.dll) Version: 65.1.0.0 (65.1.0.0)

Syntax

ICogRecord Fetch(
	string key
)

ICogRecord Fetch(
	string key
)

Function Fetch ( 
	key As String
) As ICogRecord

Function Fetch ( 
	key As String
) As ICogRecord

ICogRecord^ Fetch(
	String^ key
)

ICogRecord^ Fetch(
	String^ key
)

key: Type: System String
This key specifies the item to fetch from the database.

Type: ICogRecord
A newly created instance of the requested database item.

Exceptions

Exception	Condition
ObjectDisposedException	Thrown if this object has already been disposed.
InvalidOperationException	Thrown if not currently connected.
ArgumentNullException	Thrown if the input argument, key, is null.
ArgumentException	Thrown if there is no item in the database with this key.
InvalidOperationException	Thrown if unable to fetch the record.