National Instruments IMAQTM Manual De Usuario

© National Instruments Corporation

cwimaq.ocx

 contains the following three ActiveX controls and a 

collection of ActiveX objects: CWIMAQ, CWIMAQVision, and 
CWIMAQViewer. Refer to the 

 section for information 

about the ActiveX objects.

Use this control to configure and perform an acquisition from the IMAQ 
device. The CWIMAQ control has property pages that allow you to modify 
various parameters to configure the acquisition and gather information 
about the IMAQ device. Most of the functionality available from the 
property pages during design time is also available through the properties 
of the CWIMAQ control during run-time. The control has methods that 
allow you to perform and control acquisitions, as well.

You must have the NI-IMAQ driver software installed on the target system to use the 

CWIMAQ control. For information about NI-IMAQ, refer to the NI-IMAQ User Manual 
that came with the IMAQ device.

Use this control to analyze and process images and their related data. The 
CWIMAQVision control provides methods for reading and writing images 
to and from files, analyzing images, and performing a variety of image 
processing algorithms on images.

Use this control to display images and provide the interface through which 
the user will interact with the displayed image. This includes the ability to 
zoom and pan images and to draw regions of interest (ROIs) on an image. 
The CWIMAQViewer control has property pages that allow you to 
configure the viewer’s appearance and behavior during design time as well 
as properties that you can configure during run-time. The control has 
methods that allow you to attach images to and detach images from the 
viewer for display purposes.

The CWIMAQViewer control is referred to as a 

 in the remainder of this 

document.