《付録》exBrush.py 

# -*- coding: utf-8 -*-
#===============================================================================
#    Copyright (C) 2000-2008, 小泉ひよ子とタマゴ倶楽部
#
# History: WPF examples
#    2008/01/25, IronPython 1.1.1 (download)
#    2008/08/22, IronPython 1.1.2 (download)
#    2008/03/16, ver.2.0, WPF
#    2008/00/00, ver.2.1, IronPython 1.1.2 
#===============================================================================
from _ant import *
from System import *
from System.Windows import *
from System.Windows.Media import *
from System.Windows.Media.Imaging import *
from System.Windows.Shapes import *

## --------------------               
class ExWindow(Window):
    def __init__(self, Content=None, **args):
        self.InitializeComponent(Content)
        self.init()

    def InitializeComponent(self, Content):
        self.Content = LoadXaml(Content)
        
    def init(self):
        target = (
            "solidColorBrush",
            "linearGradientBrush",
            "radialGradientBrush",
            "imageBrush",
            "drawingBrush",
            "visualBrush",
            )
        self._Controls(target)

    def _Controls(self, target):
        controls = xaml_controls(self)
        for e in target:
            setattr(self, e, controls[e])
        for e in target:
            items = getattr(self, e)
            for shape in self.newEllipse(), self.newPolygon():
                shape.Fill = getattr(self, "_%s"%e)()
                items.Children.Add(shape)

    def _solidColorBrush(self):
        return Brushes.Yellow

    def newEllipse(self):
        return Ellipse(
            Stroke=Brushes.Blue,
            StrokeThickness=2,
            Width=100,
            Height=50,
            )

    def newPolygon(self):
        points = PointCollection()
        vertices = "0,28 80,28 12,80 40,0 68,80"
        for e in vertices.split(" "):
            x, y = eval(e)
            points.Add(Point(x, y))
        return Polygon(
            Stroke=Brushes.Blue,
            StrokeThickness=2,
            Points=points,
            )

## --------------------               
if __name__ == "__main__":
    xaml = __file__.replace(".py",".xaml")
    win = ExWindow(
        Title=xaml,
        Width=400, Height=200,
        Content=xaml,
        )
    Application().Run(win)

## --------------------