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When file which is checked-in to SOLIDWORKS PDM vault is opened in SOLIDWORKS it will be accessed with read-only access
The corresponding state is displayed next to the file name.
If standard SOLIDWORKS PDM add-in is used this file can be automatically checked out for editing without the need to close the file. However calling the IEdmFile5::LockFile SOLIDWORKS PDM API for this scenario would result in the following COM exception.
-2147220981: An attempt was made to access a file that is exclusively opened by another application.
SOLIDWORKS API provides methods to temporarily release lock for the active document so it can be updated or changed by other applications. The model can be later reloaded with changes applied. This technique allows to have model information and visual data to stay loaded in SOLIDWORKS while file is being edited by other applications.
The following macro will demonstrate this technique and will check-out currently opened checked-in (read-only) file in SOLIDWORKS application.
Modify the value of the VAULT_NAME variable to the corresponding vault name where the active model has been opened from.
Const VAULT_NAME As String = "TestVault" Dim swApp As SldWorks.SldWorks Dim swPdmVault As IEdmVault5 Sub main() Set swApp = Application.SldWorks Dim swModel As SldWorks.ModelDoc2 Set swModel = swApp.ActiveDoc If Not swModel Is Nothing Then Set swPdmVault = New EdmVault5 swPdmVault.LoginAuto VAULT_NAME, 0 If swPdmVault.IsLoggedIn Then CheckOutModel swModel, swPdmVault Else MsgBox "Please login to vault" End If Else MsgBox "Please open the model" End If End Sub Sub CheckOutModel(model As SldWorks.ModelDoc2, vault As IEdmVault5) Dim modelPath As String modelPath = model.GetPathName() Dim swPdmFile As IEdmFile5 Set swPdmFile = vault.GetFileFromPath(modelPath) If Not swPdmFile Is Nothing Then On Error GoTo catch Dim res As Boolean Dim swPdmFolder As IEdmFolder5 Set swPdmFolder = vault.GetFolderFromPath(Left(modelPath, InStrRev(modelPath, "\"))) try: model.ForceReleaseLocks swPdmFile.LockFile swPdmFolder.ID, 0 res = True GoTo finally catch: Debug.Print Err.Number & ": "; Err.Description res = False GoTo finally finally: model.ReloadOrReplace Not res, modelPath, Not res Else Err.Raise vbError, "", "Specified model doesn't exist in the vault" End If End Sub