ICogDatabase.Fetch Method (Int32)

ICogDatabase Fetch Method (Int32)

Cognex VisionPro 9.8 SR1

Create an ICogRecord that duplicates the item specified by the supplied index. 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: 75.0.0.0 (75.0.0.0)

Syntax

C++

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ICogRecord Fetch(
	int index
)

ICogRecord Fetch(
	int index
)

Function Fetch ( 
	index As Integer
) As ICogRecord

Function Fetch ( 
	index As Integer
) As ICogRecord

ICogRecord^ Fetch(
	int index
)

ICogRecord^ Fetch(
	int index
)

Parameters

index: Type: System Int32
This index specifies the item to fetch from the database. Indexing is with respect to the list of keys returned by the GetKeys method.

Return Value

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.
ArgumentOutOfRangeException	Thrown if the input argument, index, is less than zero or greater than or equal to the value returned by the GetCount method.
InvalidOperationException	Thrown if unable to fetch the record.