Readme file for Triangle Demo (Triangle.pas)
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TriangleDemo includes new code on creating 
lines, patterns, colours and shapes.

Paint generates a random HatchBrush which 
will be used to fill the triangle shape
with one of six standard patterns and a random 
colour. The three corners of each 
triangle are generated from random numbers 
and stored in an array (Tri). The 
array is then passed to the standard Polygon 
procedure which draws lines between 
the three points. Drawing a shape with a 
specific brush selected causes the shape 
to be both drawn and filled with the pattern 
and colour of the brush. (There's no need
for a FloodFill procedure.