here is a sample of the code.

[Anonymous]

Also, my nested dynamic blocks do not update. Is there something I need to do to get the nested blocks to update and get the attributes to come in on insert?

thanks

Private Sub btnGetDrawing_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnGetDrawing.Click
Dim getFile As New OpenFileDialog
Dim strFileName As String

'getFile.InitialDirectory = "C:\program files\autocad 2007\"
getFile.InitialDirectory = "N:\Everyone\Design & Compliance\AutoCAD Library & Templates\"

getFile.AddExtension = True
getFile.Filter = "Drawing Files|*.dwg"
If getFile.ShowDialog = Windows.Forms.DialogResult.OK Then
strFileName = getFile.FileName
Else
Exit Sub
End If

Dim ED As Autodesk.AutoCAD.EditorInput.Editor
ED = Autodesk.AutoCAD.ApplicationServices.Application.DocumentManager.MdiActiveDocument.Editor
Dim InsertPoint As PromptPointResult

InsertPoint = ED.GetPoint("Pick Insertion Point")
Dim strSelectedName As String = Me.cmbBlockName.SelectedItem

Dim obj1 As ObjectId = InsertDrawing(strFileName, InsertPoint.Value)
Using DB As Database = HostApplicationServices.WorkingDatabase
Using Trans As Transaction = DB.TransactionManager.StartTransaction()
Try
Dim bRef As BlockReference = Trans.GetObject(obj1, OpenMode.ForWrite)

If bRef.IsDynamicBlock Then
m_BlkRefArray.Add(obj1)
GetNestedBlock(obj1)
DynamicProperties(obj1)
Else
MsgBox("Selected Block does not have Dynamic Properties", MsgBoxStyle.OkOnly, "Dynamic Information")
bRef.Erase(True)
End If
Catch ex As System.Exception
MsgBox(ex.Message)
Finally
Trans.Commit()
Trans.Dispose()
End Try
End Using
End Using
End Sub

**************************************************************
Private Sub DynamicProperties(ByVal objID1 As ObjectId)
Dim intNumProps As Integer = 0
Dim ED As Autodesk.AutoCAD.EditorInput.Editor
ED = Autodesk.AutoCAD.ApplicationServices.Application.DocumentManager.MdiActiveDocument.Editor
If objID1.IsNull Then
ED.WriteMessage("Dynamic Block error, no block selected")
Exit Sub
End If
Using DB As Database = HostApplicationServices.WorkingDatabase
Using Trans As Transaction = DB.TransactionManager.StartTransaction()
lblMainBlock.Text = "File Name = " & strBlkName
Dim BlkRef As BlockReference
Dim dynBlkRefProps As DynamicBlockReferencePropertyCollection
Dim dynBlkRefProp As DynamicBlockReferenceProperty
Dim intPanelHeight As Integer
Try

For intBlockCount As Integer = 0 To m_BlkRefArray.Count - 1

BlkRef = Trans.GetObject(m_BlkRefArray(intBlockCount), OpenMode.ForRead) 'doublecheck
If intBlockCount > 0 Then
Dim intPanelTop As Integer
If intBlockCount = 1 Then
intPanelTop = 35 + intPanelHeight
Else
intPanelTop = 5 + intPanelHeight + intPanelTop
End If

Dim Panel As New Panel
Panel.SuspendLayout()

Panel.BorderStyle = BorderStyle.FixedSingle
Panel.Location = New System.Drawing.Point(5, intPanelTop)
Panel.AutoScroll = False
Panel.Tag = CObj(intBlockCount)
Panel.Name = "pnlDynamicNest" & CStr(intBlockCount)

DynamicLabels(Panel, BlkRef.Id, Panel.Tag, Trans)

Dim i As Integer = 0
dynBlkRefProps = blkRef.DynamicBlockReferencePropertyCollection
intNumProps = dynBlkRefProps.Count

Dim PropList(intNumProps) As DynamicControl.DynamicControl
Dim l_DynamicNameArray As New ArrayList
Dim intTop As Integer
For Each dynBlkRefProp In dynBlkRefProps
PropList(i) = New DynamicControl.DynamicControl
Dim intLength As Integer = 0

If i = 0 Then
intTop = 40
Else
intTop = PropList(i - 1).Top + PropList(i).Height
End If

PropList(i).Location = New System.Drawing.Point(5, intTop)
PropList(i).DynamicName = dynBlkRefProp.PropertyName
l_DynamicNameArray.Add(dynBlkRefProp.PropertyName)
PropList(i).DynamicDescription = dynBlkRefProp.Description

Dim objObject As Object()
objObject = dynBlkRefProp.GetAllowedValues()
Dim intCount As Integer = objObject.Length
For iCount As Integer = 0 To intCount - 1
PropList(i).AddValue(objObject(iCount))
Next iCount
PropList(i).SetValue(dynBlkRefProp.Value)
If objObject.Length > 0 Then
PropList(i).drHeight = objObject.Length * 15
Else
PropList(i).drHeight = 5
End If

PropList(i).drWidth = 350

Panel.Controls.Add(PropList(i))

i += 1
Next
intPanelHeight = 45 + (intNumProps * PropList(i - 1).Height + (BlkRef.AttributeCollection.Count * 20))
Panel.Size = New System.Drawing.Size(380, intPanelHeight)

Me.grpDynamic.Controls.Add(Panel)
Panel.ResumeLayout()
m_DynamicNameArray.Add(l_DynamicNameArray)
If BlkRef.AttributeCollection.Count > 0 Then
GetAttributeInfo(Panel, Trans, BlkRef, intTop)
End If

Else
BlkRef = Trans.GetObject(objID1, OpenMode.ForRead)
Dim i As Integer = 0
dynBlkRefProps = BlkRef.DynamicBlockReferencePropertyCollection
intNumProps = dynBlkRefProps.Count

grpMainBlock.SuspendLayout()
Me.grpMainBlock.BorderStyle = BorderStyle.FixedSingle
If i = 0 Then
DynamicLabels(grpMainBlock, BlkRef.Id, grpMainBlock.Tag, Trans)
End If

Dim PropList(intNumProps) As DynamicControl.DynamicControl
Dim l_DynamicNameArray As New ArrayList
Dim intTop As Integer
For Each dynBlkRefProp In dynBlkRefProps

PropList(i) = New DynamicControl.DynamicControl
Dim intLength As Integer = 0

If i = 0 Then
intTop = 40
Else
intTop = PropList(i - 1).Top + PropList(i).Height
End If



PropList(i).Top = intTop
PropList(i).DynamicName = dynBlkRefProp.PropertyName
l_DynamicNameArray.Add(dynBlkRefProp.PropertyName)
PropList(i).DynamicDescription = dynBlkRefProp.Description

Dim objObject As Object()
objObject = dynBlkRefProp.GetAllowedValues()
Dim intCount As Integer = objObject.Length
For iCount As Integer = 0 To intCount - 1
PropList(i).AddValue(objObject(iCount))

Next iCount
PropList(i).SetValue(dynBlkRefProp.Value)
If objObject.Length > 0 Then
PropList(i).drHeight = objObject.Length * 15
Else
PropList(i).drHeight = 5
End If
PropList(i).drWidth = 350

' End If
'Dim dblScreen As Double = Screen.PrimaryScreen.Bounds.Height
Me.grpMainBlock.Tag = CObj(intBlockCount)
Me.grpMainBlock.Controls.Add(PropList(i))

i += 1
Next
intPanelHeight = 45 + (intNumProps * PropList(i - 1).Height)
grpMainBlock.Size = New System.Drawing.Size(380, intPanelHeight)
grpMainBlock.ResumeLayout()
m_DynamicNameArray.Add(l_DynamicNameArray)
If BlkRef.AttributeCollection.Count > 0 Then
GetAttributeInfo(grpMainBlock, Trans, BlkRef, intTop)
End If
End If
Next intBlockCount
Catch ex As System.Exception
MsgBox(ex.Message)
Finally
If (Not Trans Is Nothing) Then
Trans.Dispose()
End If
Me.AutoScaleDimensions = New System.Drawing.SizeF(6.0!, 13.0!)
Me.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font
End Try
End Using
End Using
End Sub