ParameterInfo.Name Property
[ This article is for Windows Phone 8 developers. If you’re developing for Windows 10, see the latest documentation. ]
Gets the name of the parameter.
Assembly: mscorlib (in mscorlib.dll)
To get the ParameterInfo array, first get the method or the constructor, and then call MethodBase.GetParameters.
The following example defines a method with four parameters and displays various properties, including the Name property to display the names of the parameters.
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To run this example, see Building examples that have static TextBlock controls for Windows Phone 8. |
Imports System.Reflection Imports System.Runtime.InteropServices Class Example Public Shared Sub mymethod(ByVal str1 As String, ByRef str2 As String, _ <Out> ByRef str3 As String, <InAttribute> ByVal str4 As String) ' Add str1 to str2, which is ByRef. str2 &= str1 ' When mymethod is called, str3 has no value. Give it one. str3 = "new value" End Sub Public Shared Sub Demo(ByVal outputBlock As System.Windows.Controls.TextBlock) ' Get the method. Dim mm As MethodInfo = GetType(Example).GetMethod("mymethod") ' Display the method. outputBlock.Text &= "MethodInfo.ToString(): " & mm.ToString() & vbCrLf For Each param In mm.GetParameters() outputBlock.Text &= String.Format("Attributes for parameter {0}, ""{1}"": {2} ({3})", _ param.Position, param.Name, param.Attributes, CInt(param.Attributes)) If param.ParameterType.IsByRef Then outputBlock.Text &= "; the parameter type is ByRef" & vbLf Else outputBlock.Text &= vbLf End If Next End Sub End Class ' This code produces the following output: ' 'MethodInfo.ToString(): Void mymethod(System.String, System.String ByRef, System.String ByRef) 'Attributes for parameter 0, "str1": None (0) 'Attributes for parameter 1, "str2": None (0); the parameter type is ByRef 'Attributes for parameter 2, "str3": Out (2); the parameter type is ByRef 'Attributes for parameter 3, "str4": In (1)
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