使用 VBA 以外的其它编程语言

Sub Example_AltTolerancePrecision()
   ' This example creates an aligned dimension in model space and
   ' uses AltTolerancePrecision to allow the user to change the
   ' precision of the alternate dimension tolerance

    Dim dimObj As AcadDimAligned
    Dim point1(0 To 2) As Double, point2(0 To 2) As Double
    Dim location(0 To 2) As Double
    Dim oldTolerance As String, newTolerance As String
    
    ' Define the dimension
    point1(0) = 0: point1(1) = 5: point1(2) = 0
    point2(0) = 5.12345678: point2(1) = 5: point2(2) = 0
    location(0) = 5: location(1) = 7: location(2) = 0
    
    ' Create an aligned dimension object in model space
    Set dimObj = ThisDrawing.ModelSpace.AddDimAligned(point1, point2, location)
    
    ' Enable alternate unit display
    dimObj.AltUnits = True
    dimObj.ToleranceDisplay = acTolLimits
    
    ThisDrawing.Application.ZoomAll

    ' Store old tolerance value as default for input box
    oldTolerance = dimObj.AltTolerancePrecision
    
    ' Allow the user to change the precision for the alternate dimension tolerance
    newTolerance = InputBox("Enter a new tolerance precision for the alternate dimension.  The value must range from 0 to 8.", "Alternate Dimension Tolerance Precision", oldTolerance)
    
    Select Case newTolerance
        Case 0: newTolerance = acDimPrecisionZero
        Case 1: newTolerance = acDimPrecisionOne
        Case 2: newTolerance = acDimPrecisionTwo
        Case 3: newTolerance = acDimPrecisionThree
        Case 4: newTolerance = acDimPrecisionFour
        Case 5: newTolerance = acDimPrecisionFive
        Case 6: newTolerance = acDimPrecisionSix
        Case 7: newTolerance = acDimPrecisionSeven
        Case 8: newTolerance = acDimPrecisionEight
        Case Else
            MsgBox "The alternate tolerance precision has not been changed."
            Exit Sub
    End Select
    
    dimObj.AltTolerancePrecision = newTolerance   ' Commit changes to tolerance precision
    
    ThisDrawing.Regen acAllViewports
    
    ' Read back and display the alternate dimension tolerance precision
    newTolerance = dimObj.AltTolerancePrecision
    MsgBox "The tolerance precision has been set to " & newTolerance & " decimal places"
End Sub