Interface Functions; Utility Functions - National Instruments Image Acquisition Software User Manual

Interface Functions

Utility Functions

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