Learn how to stay in touch with CodeStack latest updates about SOLIDWORKS API, C#, Visual Basic, DevOps and software development tutorials and tips & trick. Never miss the releases of new useful macros or applications to enhance your SOLIDWORKS experience.
This macro removes all of the equations (or optionally only broken equations) in the active model (part or assembly) using SOLIDWORKS API.
If active model is assembly, macro optionally allows to remove all equations from each component of the assembly. The following message will be displayed. Click Yes to remove equations from all components on all levels and No to only process equations of the top level assembly.
Set the DELETE_BROKEN_ONLY option to True in order to only remove the broken (dangling) equations.
IMPORTANT: Use this macro on your own risk. This macro modifies your data (deletes all equations) please backup your file before running this macro
Const DELETE_BROKEN_ONLY As Boolean = False 'if this flag is True than only broken equations are deleted, otherwise all equations are deleted Dim swApp As SldWorks.SldWorks Dim swModel As SldWorks.ModelDoc2 Dim swEqMgr As SldWorks.EquationMgr Sub main() Set swApp = Application.SldWorks Set swModel = swApp.ActiveDoc Dim hasDeleted As Boolean DeleteEquationsFromModel swModel, hasDeleted If swModel.GetType = swDocumentTypes_e.swDocASSEMBLY Then If MsgBox("Do you want to delete equations in all components of the assembly?", vbYesNo) = vbYes Then Dim swAssy As SldWorks.AssemblyDoc Set swAssy = swModel 'component needs to be loaded in memory in order to process it's equations swAssy.ResolveAllLightWeightComponents True Dim vComps As Variant vComps = swAssy.GetComponents(False) Dim i As Integer For i = 0 To UBound(vComps) Dim swComp As SldWorks.Component2 Set swComp = vComps(i) Dim swCompModel As SldWorks.ModelDoc2 Set swCompModel = swComp.GetModelDoc2 If Not swCompModel Is Nothing Then Dim hasCompEqDeleted As Boolean DeleteEquationsFromModel swCompModel, hasCompEqDeleted If hasCompEqDeleted Then hasDeleted = True End If End If Next End If End If If hasDeleted Then swModel.ForceRebuild3 False End If End Sub Sub DeleteEquationsFromModel(model As SldWorks.ModelDoc2, ByRef hasDeleted As Boolean) Set swEqMgr = model.GetEquationMgr() Dim i As Integer hasDeleted = False 'iterate in the reverse direction as the equation index will change once previous equation is deleted For i = swEqMgr.GetCount - 1 To 0 Step -1 If Not DELETE_BROKEN_ONLY Or IsEquationBroken(swEqMgr, i) Then swEqMgr.Delete i hasDeleted = True End If Next If hasDeleted Then 'deleting equation doesn't make the model dirty model.SetSaveFlag End If End Sub Function IsEquationBroken(eqMgr As SldWorks.EquationMgr, index As Integer) As Boolean Const STATUS_BROKEN As Integer = -1 Dim val As String val = eqMgr.Value(index) 'evaluate to get the status IsEquationBroken = (eqMgr.Status = STATUS_BROKEN) End Function