我很难动态编译用于Silverlight 3.0的DLL。我的目标是采用我的用户提供的一些规则,并将它们编译到DLL中以进行自定义编辑。需要帮助使用VBCodeProvider编译DLL for Silverlight 3.0
我在Visual Studio中创建了一个Silverlight类库项目,以获取用于编译Silverlight类库的命令行。基于这一点,编译使用VBCodeProvider VB的例子很多,我想出了下面的方法在一个字符串作曲代码到一个DLL:
Public Function Compile(ByVal code As String, ByVal assemblyName As String) As CompilerResults
' set the compiler parameters
Dim parameters As CompilerParameters = New CompilerParameters()
parameters.OutputAssembly = assemblyName
parameters.GenerateInMemory = False
parameters.GenerateExecutable = False
parameters.IncludeDebugInformation = True
' constants for the silverlight assembly directories
Dim sdkDir As String = "c:\Program Files (x86)\Reference Assemblies\Microsoft\Framework\Silverlight\v3.0\"
Dim clientDir As String = "c:\Program Files (x86)\Microsoft SDKs\Silverlight\v3.0\Libraries\Client\"
Dim riaDir As String = "C:\Program Files (x86)\Microsoft SDKs\RIA Services\v1.0\Libraries\Silverlight\"
' set referenced assemblies
parameters.ReferencedAssemblies.Clear()
parameters.ReferencedAssemblies.Add(sdkDir + "mscorlib.dll")
parameters.ReferencedAssemblies.Add(sdkDir + "System.Core.dll")
parameters.ReferencedAssemblies.Add(sdkDir + "system.dll")
parameters.ReferencedAssemblies.Add(sdkDir + "System.Net.dll")
parameters.ReferencedAssemblies.Add(sdkDir + "System.Windows.Browser.dll")
parameters.ReferencedAssemblies.Add(sdkDir + "System.Windows.dll")
parameters.ReferencedAssemblies.Add(sdkDir + "System.Xml.dll")
' build compiler options for sdk path to point to Silverlight.
Dim options As String
options = "/sdkpath:""" + sdkDir + "\"" "
options = options + "/define:""SILVERLIGHT=1"""
parameters.CompilerOptions = options
' compile
Dim provider = New VBCodeProvider()
Return provider.CompileAssemblyFromSource(parameters, code)
End Function
我的单元测试类,代码如下:
Public Sub CompileTest()
' Assemble
Dim builder As StringBuilder = New StringBuilder()
builder.AppendLine("Imports System")
builder.AppendLine("Namespace Namespace1")
builder.AppendLine("Public Class Class1")
builder.AppendLine("Public Sub Test()")
builder.AppendLine("Console.WriteLine(""Hello Compilation"")")
builder.AppendLine("Console.ReadLine()")
builder.AppendLine("End Sub")
builder.AppendLine("End Class")
builder.AppendLine("End Namespace")
Dim assemblyName As String = ".\TestAssembly.dll"
' Act
Dim compiler As SilverlightCompiler = New SilverlightCompiler()
Dim cr As CompilerResults = compiler.Compile(builder.ToString(), assemblyName)
' Assert
Assert.AreEqual(0, cr.Errors.Count)
End Sub
这不,下面的错误编译:
VBC:命令行(0,0):错误BC2010:编译失败:“会员‘则IsNumeric’无法找到在课堂上‘Microsoft.VisualBasic.Information’ 。这种情况通常是由于“Microsoft.VisualBasic.dll”不匹配造成的。
我看了,实际上,Microsoft.VisualBasic.Information类的Silverlight版本不包含成员IsNumeric。所以我似乎使用sdkpath选项来选择正确的库。但我不知道为什么我试图首先调用该方法。
任何人都可以阐明如何成功地将源代码动态编译到兼容Silverlight的类库中吗? TIA。