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LT-22388: Fix NullReferenceException in UnitOfWorkService.SaveOnIdle #361

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LT-22388: Fix NullReferenceException in UnitOfWorkService.SaveOnIdle #361

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3 changes: 3 additions & 0 deletions src/SIL.LCModel/Infrastructure/Impl/UnitOfWorkService.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -226,6 +226,9 @@ void SaveOnIdle(object sender, ElapsedEventArgs e)
// Check if we are already in SaveInternal.
if (m_fInSaveInternal)
return;
// Check if we are disposed before accessing m_ui
if (IsDisposed)
return;
// Don't save if we're in the middle of something and not in the right state to Save!
if (UndoOrRedoInProgress || CurrentProcessingState != BusinessTransactionState.ReadyForBeginTask)
return; // don't start another, if for example the conflict dialog is open.
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