Inverts the colors on the canvas.

[Visual Basic]
Sub Canvas.Invert()

[C#]
void Canvas.Invert();

Inverts each of the colors in the Canvas. The intensity of each channel is reversed so that whites become blacks, blacks become whites and a light gray will become a dark one.

None.

[Visual Basic]
Dim mycanvas As New Canvas
mycanvas.DrawFile(Server.MapPath("rez/boat.gif"), "")
mycanvas.Invert()
mycanvas.SaveAs(Server.MapPath("invert.jpg"), "")

[C#]
Canvas mycanvas = new Canvas();
mycanvas.DrawFile(Server.MapPath("rez/boat.gif"), "");
mycanvas.Invert();
mycanvas.SaveAs(Server.MapPath("invert.jpg"), "");

Example files are shown below.

boat.gif

invert.jpg