DrawOval Method
Syntax
CWIMAQVision.DrawOval SourceImage, DestImage, Left, Top, Width, Height, DrawMode [, GrayLevel = 0]
Return Type
On success, this method returns 0. On failure, this method returns a negative number.
Purpose
Obsolete—Use DrawOval2 instead. Draws an oval 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.
Left As Long
The left edge of the oval.
Top As Long
The top edge of the oval.
Width As Long
The width of the oval.
Height As Long
The height of the oval.
DrawMode As CWIMAQDrawModes
Defines how to draw the oval.
GrayLevel As Variant
[Optional] The pixel value that the method uses for drawing if you set DrawMode to cwimaqDrawModeFrame or cwimaqDrawModePaint.
This parameter has a default value of 0.