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New Message on MumbaiUserGroup
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From: Pankil
Message 3 in Discussion
Hi,<o:p></o:p>
Please check following code.
I have 2 managed dlls. <o:p></o:p>
1. ABC.dll<o:p></o:p>
2. XYZ.dll<o:p></o:p>
<o:p> </o:p>
XYZ.dll has a refrence of ABC.dll, which is installed in GAC.<o:p></o:p>
<o:p> </o:p>
I want to retrieve properties, methods and fields of XYZ.dll at run
time.<o:p></o:p>
<o:p> </o:p>
I am using reflection to achieve this ... but when I try to use
oAssembly.GetTypes() method I am getting ReflectionTypeLoadException
error.<o:p></o:p>
<o:p> </o:p>
Code<o:p></o:p>
<o:p> </o:p>
Private Sub Reflect()<o:p></o:p>
Dim oAssembly As [Assembly]<o:p></o:p>
Dim oTypes() As Type<o:p></o:p>
Dim i As Integer<o:p></o:p>
<o:p> </o:p>
Try<o:p></o:p>
oAssembly =
System.Reflection.Assembly.LoadFrom(c:\test\xyz.dll)<o:p></o:p>
oTypes = oAssembly.GetTypes This line gives error<o:p></o:p>
Catch fnf As FileNotFoundException<o:p></o:p>
MessageBox.Show("Could not load Assembly: {0}",
txtFile.Text)<o:p></o:p>
Exit Sub<o:p></o:p>
Catch tl As ReflectionTypeLoadException<o:p></o:p>
MessageBox.Show("Error in loading types")<o:p></o:p>
Exit Sub<o:p></o:p>
Catch ex As Exception<o:p></o:p>
MessageBox.Show("Error occured" + ex.Message)<o:p></o:p>
Exit Sub<o:p></o:p>
End Try<o:p></o:p>
<o:p> </o:p>
For i = 0 To oTypes.Length - 1<o:p></o:p>
Dim fields() As FieldInfo = oTypes(i).GetFields()<o:p></o:p>
Dim f As FieldInfo<o:p></o:p>
If fields Is Nothing Then<o:p></o:p>
<o:p> </o:p>
Else<o:p></o:p>
For Each f In fields<o:p></o:p>
'Get fields<o:p></o:p>
Next<o:p></o:p>
End If<o:p></o:p>
Next<o:p></o:p>
End Sub<o:p></o:p>
<o:p> </o:p>
<o:p> </o:p>
With error message as follows...<o:p></o:p>
One or more of the types in the assembly unable to load.<o:p></o:p>
<o:p> </o:p>
I am wondering if this is the case ... how object browser is getting list of
all types and methods and properties.<o:p></o:p>
<o:p></o:p>
Is it possible to load types, methods and properties the way object browser
displays?<o:p></o:p>
<o:p></o:p>
Thanks,<o:p></o:p>
Pankil<o:p></o:p>
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