Problem about saving the active drawing

[classof]

Hi..

The following code was copied from ‘autocad 2013 help’.

When I debug the code of help file, the autocad is open and there is ERROR named strDWGName=”C:MyDrawing.dwg”..

but, I revised the name to strDWGName=”MyDrawing.dwg” and then, the file is saved in the DEBUG folder WITHOUT ANY ERROR.

Could you please explain this matter in details?

Save the active drawing

This example saves the active drawing to "c:\MyDrawing.dwg" if it is currently not saved or under its current name.

VB.NET

Imports Autodesk.AutoCAD.ApplicationServices
Imports Autodesk.AutoCAD.Runtime
 
<CommandMethod("SaveActiveDrawing")> _
Public Sub SaveActiveDrawing()
  Dim acDoc As Document = Application.DocumentManager.MdiActiveDocument
  Dim strDWGName As String = acDoc.Name
 
  Dim obj As Object = Application.GetSystemVariable("DWGTITLED")
 
  '' Check to see if the drawing has been named
  If System.Convert.ToInt16(obj) = 0 Then
      '' If the drawing is using a default name (Drawing1, Drawing2, etc)
      '' then provide a new name
      strDWGName = "c:\MyDrawing.dwg"
  End If
 
  '' Save the active drawing
  acDoc.Database.SaveAs(strDWGName, True, DwgVersion.Current, _
                        acDoc.Database.SecurityParameters)
End Sub

[norman.yuan · Accepted solution]

What do you want to be explanined? Why you expect error when there should not be an error? If you supply a file name without path, where you expect the file is samed to? Hint: AutoCAD takes the application's current folder, which is where the application is loaded from.