从字符串转换为数据在Silverlight？ [英] Convert from string to data in silverlight?

问题描述

基本上我试图做到这一点：

Basically I'm trying to do this:

Path path = new Path( ); 

string sData = "M 250,40 L200,20 L200,60 Z";

var converter = TypeDescriptor.GetConverter( typeof( Geometry ) );
path.Data = ( Geometry )converter.ConvertFrom( sData );

但它不会编译，Silverlight不似乎有TypeDescriptor类...

but it won't compile, silverlight does not appear to have a TypeDescriptor class...

推荐答案

试试这个： -

  Path path = XamlReader.Load("<Path Data=\"M 250,40 L200,20 L200,60\" />") as Path;

修改

本来应该是：

  public static GeneratePath(string data)
  {
      string pathEnvelope = "<Path xmlns=\"http://schemas.microsoft.com/winfx/2006/xaml/presentation\" Data=\"{0}\"/>")
      return XamlReader.Load(String.Format(pathEnvelope, data)) as Path;
  }

用法： -

Usage:-

  string data = "M 250,40 L200,20 L200,60";

  Path path = GeneratePath(data);

请参阅跟进的问题：的 XAML解析异常试图加载代码隐藏从XAML

See follow up question: xaml parse exception when attempting to load xaml from codebehind

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