我认为你正在寻找的是这样的:
<UserControl x:Class="DemoApplication.Page"
xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml">
<Grid x:Name="LayoutRoot" Background="White">
<Canvas Background="LightBlue" HorizontalAlignment="Stretch" VerticalAlignment="Stretch">
<Polygon StrokeThickness="3.0" Stroke="#ff000000" Fill="White" StrokeMiterLimit="1.0" Points=" 395.320,604.854 395.320,604.854 335.696,600.207 311.449,600.365 287.188,600.504 221.110,604.854 221.110,604.854 221.110,345.832 221.110,345.832 278.372,350.370 309.237,350.320 340.106,350.279 395.320,345.832 395.320,345.832 395.320,604.854 " />
<Polygon StrokeThickness="3.0" Stroke="#ff000000" Fill="White" StrokeMiterLimit="1.0" Points=" 420.576,870.950 420.576,870.950 348.925,875.434 308.134,875.434 267.351,875.434 197.958,870.950 197.958,870.950 189.140,693.696 189.140,693.696 249.707,698.225 308.134,698.182 366.562,698.135 429.401,693.696 429.401,693.696 420.576,870.950 " />
</Canvas>
</Grid>
这是 Page.xaml 内容。请注意,我将画布的背景设置为 LightBlue,以便您可以准确地看到画布的位置(水平和垂直拉伸 - 填充屏幕)。
您可以在此处签出演示项目的工作副本:
http://code.google.com/p/silverlight-canvas-layout-fill/
享受!
谢谢,
斯科特
编辑:
如果我理解正确,您有一个 Silverlight 网格,无论浏览器大小如何,它都会填充 Web 浏览器的高度和宽度,如下所示(我的是浅绿色):
绿色网格 http://img192.imageshack.us/img192/7308/greengrid.jpg
现在您想将两个多边形形状添加到画布内的网格中,但您希望网格现在与画布的大小相同?如果这是真的,您希望不显示网格(浅绿色),因为它被调整为画布的大小(浅蓝色),如下所示:
绿色网格 - 蓝色画布 http://img4.imageshack.us/img4/1107/greengridwithpolygons.jpg
另外,我在上面的示例代码中注意到,您的画布具有设置的高度和宽度,这是您想要的网格的高度和宽度吗?除了您不想静态设置网格的高度和宽度,对吗?
如果这是真的,您希望将代码更改为:
<UserControl x:Class="DemoApplication.Page"
xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml">
<Grid x:Name="LayoutRoot" Background="LightGreen" HorizontalAlignment="Center" VerticalAlignment="Center" >
<Canvas Background="LightBlue" Width="617.589" Height="876.934">
<Polygon StrokeThickness="3.0" Stroke="#ff000000" Fill="White" StrokeMiterLimit="1.0" Points=" 395.320,604.854 395.320,604.854 335.696,600.207 311.449,600.365 287.188,600.504 221.110,604.854 221.110,604.854 221.110,345.832 221.110,345.832 278.372,350.370 309.237,350.320 340.106,350.279 395.320,345.832 395.320,345.832 395.320,604.854 " />
<Polygon StrokeThickness="3.0" Stroke="#ff000000" Fill="White" StrokeMiterLimit="1.0" Points=" 420.576,870.950 420.576,870.950 348.925,875.434 308.134,875.434 267.351,875.434 197.958,870.950 197.958,870.950 189.140,693.696 189.140,693.696 249.707,698.225 308.134,698.182 366.562,698.135 429.401,693.696 429.401,693.696 420.576,870.950 " />
</Canvas>
</Grid>
</UserControl>
上面的代码结果如下:
自动调整大小的网格 http://img192.imageshack.us/img192/9665/gridfitscanvas.jpg
请注意,您指定的多边形的点与容器(在您的情况下为画布)相关。因此,这些点在屏幕上较低,但在不同的窗口大小上并不一致。
例如,如果您有一个多边形,它是一个 10 像素高和 10 像素宽的正方形,您可以像这样指定它:
<Polygon StrokeThickness="3.0" Stroke="#ff000000" Fill="White" StrokeMiterLimit="1.0" Points="10,10 10,0 0,0 0,10" />
请注意,这些点尽可能靠近左上角 (0,0),因此,我们能够更轻松地在屏幕上定位多边形。
对于您的问题,我认为您正在寻找的是两个多边形,它们位于浏览器的底部并且位于中心。当屏幕调整大小时,它们会移动,但彼此保持一致。这意味着,无论屏幕大小如何,它们都将始终出现在相同的位置。像这样:
瘦身结果 http://img9.imageshack.us/img9/1107/greengridwithpolygonscoy.jpg
胖结果 http://img9.imageshack.us/img9/3306/greengridwithpolygonsco.jpg
这是我的代码(也在上面的 Google 项目中更新),它显示了自动定位多边形。请注意,多边形有新点,它们是原始点减去最小值加上 1.5(笔划粗细的一半)。因此,如果该值420.576,870.950
最初是,则将232.936,178.754
其移动到屏幕上尽可能靠近 (0,0) 的位置。这使得将其包裹在画布中并将其准确地移动到屏幕上您想要的位置变得更加容易。
<UserControl x:Class="DemoApplication.Page"
xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml">
<Grid x:Name="LayoutRoot" Background="LightGreen" HorizontalAlignment="Stretch" VerticalAlignment="Stretch">
<StackPanel HorizontalAlignment="Center" VerticalAlignment="Bottom">
<Polygon StrokeThickness="3.0" Margin="0,0,0,50" HorizontalAlignment="Center" Stroke="#ff000000" Fill="White" StrokeMiterLimit="1.0" Points="175.710, 260.522 116.086, 255.875 91.839, 256.033 67.578, 256.172 1.5, 260.522 1.5, 260.522 1.5, 1.5 1.5, 1.5 58.762, 6.038 89.627, 5.988 120.496, 5.947 175.710, 1.5 175.710, 1.5 175.710, 260.522" />
<Polygon StrokeThickness="3.0" Margin="0,0,0,10" Stroke="#ff000000" HorizontalAlignment="Center" Fill="White" StrokeMiterLimit="1.0" Points="232.936,178.754 232.936,178.754 161.285,183.238 120.494,183.238 79.711,183.238 10.318,178.754 10.318,178.754 1.5,1.5 1.5,1.5 62.067,6.029 120.494,5.986 178.922,5.939 241.761,1.5 241.761,1.5 232.936,178.754" />
</StackPanel>
</Grid>
</UserControl>
我希望这有帮助,
谢谢!