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MicroStation Wiki Creating VBA Levels - 'Level name is duplicate'
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    Creating VBA Levels - 'Level name is duplicate'

       
      Applies To 
       
      Product(s): MicroStation
      Version(s): 08.11.09.578
      Environment:  Windows 7 32 bit,Windows 7 64 bit
      Area:  Programming
      Subarea:  VBA
      Original Author: Tristan Anderson, Bentley Technical Support Group
       

    With a small number of steps, VBA can be used to create a large number of generated levels.

    A level can be created with the following statement:

    Dim oLevel As Level

    Set oLevel = ActiveDesignFile.AddNewLevel("levelname")

    However, even though this will normally work, this statement will cause a runtime error if a level with the same name already exists. This error will look something like this:

    To prevent this, you could use an advanced test to determine whether a level with the same name already exists. This can be carried out with the following example:

    Dim oLevel As Level
    Set oLevel = Nothing
    Dim oLevTemp As Level
     
    For Each oLevTemp In ActiveDesignFile.levels
        If oLevTemp.Name = "levelname" Then
            Set oLevel = ActiveDesignFile.levels("levelname")
        End If
    Next
    If Nothing Is oLevel Then
        Set oLevel = ActiveDesignFile.AddNewLevel("levelname")
    End If
    oLevel.IsActive = True
    ActiveDesignFile.levels.Rewrite

    Finally, the newly generated level is set to active and all changes to levels are saved.

    However, you can also simply ignore the runtime error by adding the following instruction:

    On Error Resume Next

    Dim oLevel As Level

    Set oLevel = ActiveDesignFile.AddNewLevel("levelname")

    You should take into account that all runtime errors can be ignored and continue processing with "On Error Resume Next". However, you should not always do this because it can significantly complicate the deterction of programming errors and lead to unforseen problems.

    • VBAWindows 7 32 bit
    • MicroStation
    • Windows 7 64 bit
    • Programming
    • en
    • 08.11.09.578
    • SELECTsupport
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    • Tristan Anderson Created by Bentley Colleague Tristan Anderson
    • When: Mon, Jul 6 2015 11:03 AM
    • Tristan Anderson Last revision by Bentley Colleague Tristan Anderson
    • When: Mon, Jul 6 2015 11:04 AM
    • Revisions: 2
    • Comments: 0
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