请教：关于选择集构建及图层空间的问题
1.VBA可否象(ssget "x" '((0. "MTEXT")))这样不用鼠标选就选择当前图纸中所有同一类别(比如MTEXT)的图元，怎么实现?2.编一个自动生成3个图纸空间(Layout1 Layout2 Layout3)，并修改其视口大小为420，297的程序
代码如下：
Sub AddLayout()
Dim LayoutObj As AcadLayout
Dim I As Integer
Dim LayoutName As String
Dim Viewports As AcadPViewport
Dim ViewCenPoint(0 To 2) As Double
Dim acPaperSpace As Integer
ViewCenPoint(0) = 210
ViewCenPoint(1) = 148.5
ViewCenPoint(2) = 0
For I = 1 To 3
LayoutName = "Layout" + Mid(Str(I), 2, Int(I / 10 + 1))
On Error Resume Next
Set LayoutObj = ThisDrawing.Layouts.Item(LayoutName)
If Err.Number = -2145386476 Then
Err.Clear
Set LayoutObj = ThisDrawing.Layouts.Add(LayoutName)
Else
LayoutObj.Delete
Set LayoutObj = ThisDrawing.Layouts.Add(LayoutName)
End If
ThisDrawing.ActiveSpace = acPaperSpace
ThisDrawing.MSpace = True
ThisDrawing.ActivePViewport.Width = 420
ThisDrawing.ActivePViewport.Height = 297
Next
End Sub
结果图纸空间如愿生成但是仅修改了Layout1 的Pviewport其它的视口没变，是不是因为acPaperSpace仅仅默认转换到第一个图层空间呢？那通过什么办法实现自动更改所有视口的属性呢，望释疑，非常感谢
1、Select方法
谢谢lzh版主了，那么第二个问题呢，有没有知道原因，帮忙释疑，谢谢了
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