布局和列表框以及其他L字。

Function GetBlockReferenceByLayout(ByVal strBlockName As String, ByVal strLayoutName As String) As AcadBlockReference
'setup variables
Dim BLCollect As AcadSelectionSet
Dim BlkRef As AcadBlockReference
Dim GCode(1) As Integer
Dim GData(1) As Variant
Dim GPCode As Variant
Dim GPData As Variant
'filter for selection set
GCode(0) = 0
GData(0) = "Insert"
GCode(1) = 2
GData(1) = strBlockName
GPCode = GCode
GPData = GData
'create selection set
Set BLCollect = ThisDrawing.SelectionSets.Add("BLOCKREF")
'add items to selection set
BLCollect.Select acSelectionSetAll, , , GPCode, GPData
'loop through all items in selection set
For Each BlkRef In BLCollect
    'compare layout name
    If UCase(ThisDrawing.ObjectIdToObject(BlkRef.OwnerID).layout.Name) = UCase(strLayoutName) Then
        'return the reference
        Set GetBlockReferenceByLayout = BlkRef
        Exit For 'exit the 'for' loop since we have the title block. This assumes only a single block in each layout
    End If
Next BlkRef
'delete the selection set
BLCollect.Delete
'clear the variable
Set BLCollect = Nothing
End Function

Dim blkObject As AcadBlockReference
Set blkObject = GetBlockReferenceByLayout("titleblock", "layout1")
If blkObject = Nothing Then
 MsgBox "titleblock was not found in layout1"
Else
 'do other stuff here to blkObject
End If

With ListBox1
'populate the listbox
 For Each layout In layouts
   .AddItem layout.Name
'if the current layout matches the layout just added then select it
   If layout.Name = ThisDrawing.ActiveLayout.Name Then
    ListBox.Selected(.ListCount - 1) = True
   End If
 Next

Private Sub LayoutLIST_Change()
ReDim SelectedLayouts(0)
'loop through the listbox..
For X = 0 To LayoutLIST.ListCount - 1
'if an item is selected
    If LayoutLIST.Selected(X) = True Then
    'then increment our array and add it to the array..
        ReDim Preserve SelectedLayouts(UBound(SelectedLayouts) + 1)
        SelectedLayouts(UBound(SelectedLayouts)) = LayoutLIST.List(X)
    End If
Next X
End Sub

Private Sub SelectAll_CHK_Click()
For X = 0 To LayoutLIST.ListCount - 1
    LayoutLIST.Selected(X) = SelectAll_CHK.Value
Next X
End Sub