National Instruments Image Acquisition Software - Manual (Page 20)

Chapter 2 Software Overview
© National Instruments Corporation 2-7 NI-IMAQ User Manual
imgGetBufferElement Gets an element of a specific type from a
buffer list.
imgSessionClearBuffer Clears a session’s image data to the
specified pixel value.
imgSetArrayPointerValue Constructs an array of 32-bit pointers
(a Visual Basic helper function).
imgSetBufferElement Sets a buffer list element of a given type
to a specific value.
Interface Functions
Interface functions load and control the selected IMAQ device and
cameras. These functions use information stored by the IMAQ
Configuration Utility.
imgInterfaceLock Locks a logical interface so that another
process cannot use it.
imgInterfaceQueryNames Returns the interface name identified by
the index parameter.
imgInterfaceReset Performs a hardware reset on the
interface type and returns a status,
either good or bad.
imgInterfaceUnlock Unlocks a logical interface, allowing
another process to use it.
Utility Functions
Use utility functions to display an image in a window, save an image to a
file, or to get detailed error information.
imgPlot Plots a buffer to a window given a native
window handle.
imgSessionSaveBufferEx Saves a buffer of a session to disk in a
native operating system-specific format
such as bitmap or tag image file format
(TIFF).
imgShowError Returns a null terminated string
describing the error code.
UM.book Page 7 Monday, July 13, 1998 9:49 AM