Stop Method

NI Vision for Visual Basic

Stop Method

Syntax

CWIMAQ.Stop

Return Type

Long

This method returns 0 on success, a negative number on an error, and a positive number on a warning.

Purpose

Stops an acquisition in progress.

Remarks

Call this method only after starting a continuous acquisition or an acquisition that uses triggering. When this method stops an acquisition, you can restart the acquisition with the Start method.

This method does not reset the currently configured session and release all hardware resources. Use the Reset method to reset the currently configured session and release all hardware resources.

Example

' This example requires you to have the following controls on the form:
' 1) A button named Acquire.
' 2) A button named Stop.
' 3) A Textbox named Text1
Private Sub Acquire_Click()
    ' Attach the viewer to the first item of the Images
    ' collection
    CWIMAQViewer1.Attach CWIMAQ1.Images.Item(1)
    ' Make the acquisition continuous.
    CWIMAQ1.AcquisitionType = cwimaqAcquisitionContinuous
    ' Start the acquisition
    CWIMAQ1.Start
End Sub

Private Sub Stop_Click()
    ' Stop the acquisition
    CWIMAQ1.Stop
End Sub

Private Sub CWIMAQ1_AcquiredImage(ImageIndex As Variant)
    ' Display the ImageIndex in the text box.
    Text1 = ImageIndex
End Sub

See Also

Start

Reset