DrawLine Method
Syntax
CWIMAQVision.DrawLine SourceImage, DestImage, x1, y1, x2, y2, DrawMode [, GrayLevel = 0]
Return Type
On success, this method returns 0. On failure, this method returns a negative number.
Purpose
Obsolete—Use DrawLine2 instead. Draws a line on an image.
Remarks
Use this method with U8, I16, and SGL images.
Parameters
SourceImage As CWIMAQImage
The input image.
DestImage As CWIMAQImage
The resulting image.
x1 As Long
The x-coordinate of the start point.
y1 As Long
The y-coordinate of the start point.
x2 As Long
The x-coordinate of the end point.
y2 As Long
The y-coordinate of the end point.
DrawMode As CWIMAQDrawModes
Defines how to draw the line. Valid values are cwimaqDrawModeFrame and cwimaqDrawModeInvFrame.
GrayLevel As Variant
[Optional] The pixel value that the method uses for drawing if you set DrawMode to cwimaqDrawModeFrame.
This parameter has a default value of 0.