我有一个AutoCAD绘图,这是一个电力系统的单线图。我想用VBA来改变颜色。怎么做?抱歉'我的英语水平:)。谢谢!
此示例将图形中的所有行放入红色:
Sub color_all_lines()
Dim c As Long
Dim lineObj As AcadLine
For c = 0 To ThisDrawing.ModelSpace.Count - 1
If ThisDrawing.ModelSpace.Item(c).ObjectName = "AcDbLine" Then
Set lineObj = ThisDrawing.ModelSpace.Item(c)
lineObj.color = acRed
End If
Next c
End Sub
如果要更改图层(在必须创建名为“layerRED”的新图层之前),则:
Sub change_layer()
Dim c As Long
Dim lineObj As AcadLine
For c = 0 To ThisDrawing.ModelSpace.Count - 1
If ThisDrawing.ModelSpace.Item(c).ObjectName = "AcDbLine" Then
Set lineObj = ThisDrawing.ModelSpace.Item(c)
lineObj.layer = "layerRED"
End If
Next c
End Sub
如果要将图层更改为所有对象:
Sub color_all()
Dim c As Long
Dim lineObj As AcadLine
For c = 0 To ThisDrawing.ModelSpace.Count - 1
Set lineObj = ThisDrawing.ModelSpace.Item(c)
Next c
End Sub
有很多可用的信息。您可能需要研究AxDbDocument。
以下是直接从this网站获取的信息:
如果您在此论坛中搜索“AxDbDocument”或“DBX”,您可以找到很多关于使用ObjectDBX打开AutoCAD“侧面”绘图主题的讨论(即无需读取AutoCAD AutoCAD流程图)在AutoCAD编辑器中打开)。
关键步骤是创建一个AxDbDocument并将* .dwg文件读入其中。然后,您可以使用与VBA的ThisDrawing对象相同的方式访问图形文件中的数据。
这是一个非常简单的代码片段(我使用Acad2015,因此版本代码(xxxxx.20):
Option Explicit Public Sub DbxTest() Dim dwgFiles(0 To 1) As String dwgFiles(0) = "C:\Temp\DbxTest01.dwg" dwgFiles(1) = "C:\Temp\DbxTest02.dwg" Dim doc As AXDBLib.AxDbDocument Dim i As Integer For i = 0 To 1 Set doc = ThisDrawing.Application.GetInterfaceObject("ObjectDBX.AxDbDocument.20") doc.Open dwgFiles(i) DoWorkWithDwg doc Next End Sub Private Sub DoWorkWithDwg(dwg As AXDBLib.AxDbDocument) ''MsgBox dwg.Name Dim count As Integer Dim ent As AcadEntity For Each ent In dwg.ModelSpace ''MsgBox ent.ObjectName count = count + 1 Next MsgBox "Drawing: " & dwg.Name & vbCrLf & "Entity Count: " & count End Sub