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Draw a line that connects two points on image.
Public Function DrawLine( _
ByVal iLeft1 As Integer, _
ByVal iTop1 As Integer, _
ByVal iLeft2 As Integer, _
ByVal iTop2 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
iLeft1
Specifies the x-coordinate of the starting point of the line.
iTop
Specifies the y-coordinate of the starting point of the line.
iLeft2
Specifies the x-coordinate of the ending point of the line.
iTop2
Specifies the y-coordinate of the ending point of the line.
iPenWidth
Specifies the width in pixel of the pen used to draw the line.
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 line.
iAlpha
Specifies the alpha value of the ellipse 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.DrawLine 0, 0, 400, 200, 5, 2, RGB(255, 0, 0), 255, True
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