how can i draw a triangle shape,build a new shape type?

rbuser

I need to draw a triangle shape or a a diagonal in a Shape,but when i
inherited to create my own shape type, the shape only draw the rect type
without diagonal.

someone would like to tell me how can i do it right? TKS.

digitalmetaphors

What draw command does your triangle shape component create in its
PropertiesToDrawCommand? You should create a TmyDrawTriangle draw command.
Then override the TmyDrawTriangle draw command's Draw routine to actually
draw a triangle on the canvas using TCanvas routines. What you are seeing is
that you are letting the device render the triangle, but our device classes
have no code in them to draw a triangle, just rectangles/ round rects and
ellipses.


Cheers,

Jim Bennett
Digital Metaphors

rbuser

Tks. I had finished It.