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Use IIf Function When Adding an Equation Example (VBA)

This example shows how to use the Visual Basic IIf function when adding an equation.

 

'----------------------------------------

'

' Preconditions: Open <SolidWorks_install_dir>\samples\tutorial\api\cover_with_dimensions.sldprt.

'

' Postconditions: An equation that uses the Visual Basic IIf function is added.

'

'-----------------------------------------

Option Explicit

Sub main()

    Dim swApp                   As SldWorks.SldWorks

    Dim swModel                 As SldWorks.ModelDoc2

    Dim swEqnMgr                As SldWorks.EquationMgr

    Dim i                       As Long

    Dim nCount                  As Long

    Dim bRet                    As Boolean

    Set swApp = Application.SldWorks

    Set swModel = swApp.ActiveDoc

    Set swEqnMgr = swModel.GetEquationMgr

    Debug.Print "File = " & swModel.GetPathName

    Debug.Print "  Status = " & swEqnMgr.Status

    nCount = swEqnMgr.GetCount

    ' List the existing equations and their calculated values

    For i = 0 To nCount - 1

        Debug.Print "  Eqn(" & i & ")  = " & swEqnMgr.Equation(i)

        Debug.Print "    Value  = " & swEqnMgr.Value(i)

    Next i

    

   ' Add and solve an equation that uses the Visual Basic IIf function.

   ' Delay evaluating the equation by passing false into the third argument of Add2

  

    swEqnMgr.Add2 i, ("""TXD2@Scheme15"" = (IIf(""TXD1@Scheme15"">20, 25, 20))+3"), false

    Debug.Print "  Eqn(" & i & ")  = " & swEqnMgr.Equation(i)

 

    ' Evaluate all equations

    Dim ret as Integer

    ret = swEqnMgr.EvaluateAll

 

    Debug.Print "    Value  = " & swEqnMgr.Value(i)

 

End Sub



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