扩展和 CodeDomProvider
我在使用 CodeDomProvider 时遇到问题。当我编译VB代码时,没有错误。但是,如果此代码具有扩展名(例如:string().contains()
、char().count
、char().AsEnumerable
等)在我调用这些函数时,它返回一个对于所有这些扩展都相同的异常:
“公共成员‘计数’在类型‘Char()’未找到”
‘公共成员’包含’在类型'String()' not found'
Dim refs() As String = {"mscorlib.dll", "System.dll", "Microsoft.VisualBasic.dll","system.xml.dll", "system.core.dll", "system.data.dll"}
oCParams.ReferencedAssemblies.AddRange(refs)
这些是编译引用的程序集,并且也配置为在 Framework 4.0 中运行。
Dim Param As New Dictionary(Of String, String)
Param.Add("CompilerVersion", "v4.0")
Dim oCodeProvider = CodeDomProvider.CreateProvider("VisualBasic", Param)
该代码位于字符串内:
Imports System
Imports System.Xml
Imports System.Data
Imports System.Collections
Imports System.Linq.Expressions
Imports System.Linq
Imports System.String
Imports System.Linq.Enumerable
Imports System.Collections.Generic
Imports System.Runtime.CompilerServices
Imports System.Runtime.CompilerServices.ExtensionAttribute
Namespace Teste
Class Classe
Public Shared Function ProcessarLink(ByVal URL As System.Uri) As Boolean
Dim QueryString = URL.Query.Remove(0, 1).Split("&"c).tolist
If QueryString.Contains("xxx") Then
...
End If
End Function
Public Shared Function Personalizar(ByRef Vetor() As Char) As System.Collections.Generic.Dictionary(Of String,Object)
...
Dim Total As Integer = Vetor.Count
...
End Function
End Class
End Namespace
在我使用它来编译我的程序集之后。
代码编译时没有错误,但是当我调用函数“ProcessarLink”时,它会返回“Contains”中的异常,或者当我调用函数“Personalizar”时,错误会显示为“Count”。其他扩展也会发生这种情况,例如 AsEnumerable 等。
问题是什么?
I am having problems with CodeDomProvider. When I compile a code VB, there is not an error. But, if this code has extensions (ex: string().contains()
, char().count
, char().AsEnumerable
, etc.) at the moment that I call these functions, it's returns an exception equal for all these extensions:
'Public Member 'Count' at type 'Char()' not found'
'Public Member 'Contains' at type 'String()' not found'
Dim refs() As String = {"mscorlib.dll", "System.dll", "Microsoft.VisualBasic.dll","system.xml.dll", "system.core.dll", "system.data.dll"}
oCParams.ReferencedAssemblies.AddRange(refs)
These are the Assembly that is referenced to the compile, and this is also configurated for run in Framework 4.0.
Dim Param As New Dictionary(Of String, String)
Param.Add("CompilerVersion", "v4.0")
Dim oCodeProvider = CodeDomProvider.CreateProvider("VisualBasic", Param)
This code is inside a string:
Imports System
Imports System.Xml
Imports System.Data
Imports System.Collections
Imports System.Linq.Expressions
Imports System.Linq
Imports System.String
Imports System.Linq.Enumerable
Imports System.Collections.Generic
Imports System.Runtime.CompilerServices
Imports System.Runtime.CompilerServices.ExtensionAttribute
Namespace Teste
Class Classe
Public Shared Function ProcessarLink(ByVal URL As System.Uri) As Boolean
Dim QueryString = URL.Query.Remove(0, 1).Split("&"c).tolist
If QueryString.Contains("xxx") Then
...
End If
End Function
Public Shared Function Personalizar(ByRef Vetor() As Char) As System.Collections.Generic.Dictionary(Of String,Object)
...
Dim Total As Integer = Vetor.Count
...
End Function
End Class
End Namespace
After I use it for compile my Assembly.
The code compiles without errors, but when I call the function 'ProcessarLink', it returns me the exception in 'Contains', or when I call the function 'Personalizar' the errors appears with the 'Count'. This happens with the others extensions too, like AsEnumerable, etc.
What is the problem?
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听起来您的代码文件需要导入扩展方法 - 即它不包括:
您这样做了吗?如果没有,您可以发布一个您看到错误的示例 vb 代码文件吗?
It sounds like your codefile needs to import the extension methods - i.e. it doesn't include:
Have you done that? If not, can you post an example vb codefile where you are seeing the errors?