imaqSetWindowGrid

Usage

int imaqSetWindowGrid(int windowNumber, int xResolution, int yResolution);

Purpose

Sets the grid resolution of the image window. Grid resolution is the number of pixels between grid lines. NI Vision uses the grid resolution when drawing regions of interest on the window using tools in the tool window. You can use the grid to trace a region of interest accurately.

Parameters

Name	Type	Description
windowNumber	int	The window number of the image window.
xResolution	int	The x resolution of the grid.
yResolution	int	The y resolution of the grid.

Return Value

Type	Description
int	On success, this function returns a non-zero value. On failure, this function returns 0. To get extended error information, call imaqGetLastError().