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Draw an ellipse on image.
Public Function DrawEllipse( _
ByVal iX As Integer, _
ByVal iY As Integer, _
ByVal iWidth As Integer, _
ByVal iHeight As Integer, _
ByVal iPenWidth As Integer, _
ByVal iDashStyle As Integer, _
ByVal clrColor As Color, _
ByVal iAlpha As Integer, _
ByVal bAntiAlias As Bool
)
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Parameter
iX
Specifies the x-coordinate of the upper-left corner of the rectangle that bounds the ellipse.
iY
Specifies the y-coordinate of the upper-left corner of the rectangle that bounds the ellipse.
iWidth
Specifies the width of the rectangle that bounds the ellipse.
iHeight
Specifies the height of the rectangle that bounds the ellipse.
iPenWidth
Specifies the width in pixel of the pen used to draw the ellipse.
iDashStyle
Specifies the dash style of the pen.
0-Specifies a solid line.
1-Specifies a dashed line.
2-Specifies a dotted line.
3-Specifies an alternating dash-dot line.
4-Specifies an alternating dash-dot-dot line.
clrColor
Specifies the color of the pen.
iAlpha
Specifies the alpha value of the pen color. The range from 0-255. 255 is fully visible.
bAntiAlias
true - enable Anti-Aliasing algorithm, false - disable Anti-Aliasing algorithm.
Return Value
No return value.
Example
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Visual Basic Syntax
ImageViewer1.DrawEllipse 200, 200, 300, 300, 3, 1, RGB(0, 0, 255), 255, True
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