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stop redo throwing an exception if there is nothing to redo

bulletsim
Justin Clark-Casey (justincc) 2011-07-19 06:05:23 +01:00
parent 25c532f2ec
commit ec1ecd3633
1 changed files with 13 additions and 10 deletions
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3
OpenSim/Region/Framework/Scenes/SceneObjectPart.cs
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@ -3778,6 +3778,8 @@ namespace OpenSim.Region.Framework.Scenes
// "[SCENE OBJECT PART]: Handling redo request for {0} {1}, stack size {2}", // "[SCENE OBJECT PART]: Handling redo request for {0} {1}, stack size {2}",
// Name, LocalId, m_redo.Count); // Name, LocalId, m_redo.Count);
if (m_redo.Count > 0)
{
UndoState gofwd = m_redo.Pop(); UndoState gofwd = m_redo.Pop();
if (gofwd != null) if (gofwd != null)
@ -3797,6 +3799,7 @@ namespace OpenSim.Region.Framework.Scenes
// Name, LocalId, m_redo.Count); // Name, LocalId, m_redo.Count);
} }
} }
}
public void ClearUndoState() public void ClearUndoState()
{ {