public override HistoryMemento PerformAction(DocumentWorkspace documentWorkspace)
{
DateTime lastUpdate = DateTime.Now;
documentWorkspace.History.BeginStepGroup();
using (new WaitCursorChanger(documentWorkspace))
{
documentWorkspace.SuspendToolCursorChanges();
while (documentWorkspace.History.UndoStack.Count > 1)
{
documentWorkspace.History.StepBackward();
if ((DateTime.Now - lastUpdate).TotalMilliseconds >= 500)
{
documentWorkspace.History.EndStepGroup();
documentWorkspace.Update();
lastUpdate = DateTime.Now;
documentWorkspace.History.BeginStepGroup();
}
}
documentWorkspace.ResumeToolCursorChanges();
}
documentWorkspace.History.EndStepGroup();
Utility.GCFullCollect();
documentWorkspace.Document.Invalidate();
documentWorkspace.Update();
return(null);
}
public override HistoryMemento PerformAction(DocumentWorkspace documentWorkspace)
{
DateTime lastUpdate = DateTime.Now;
documentWorkspace.History.BeginStepGroup();
using (new WaitCursorChanger(documentWorkspace))
{
documentWorkspace.SuspendToolCursorChanges();
while (documentWorkspace.History.RedoStack.Count > 0)
{
documentWorkspace.History.StepForward();
if ((DateTime.Now - lastUpdate).TotalMilliseconds >= 500)
{
documentWorkspace.History.EndStepGroup();
documentWorkspace.Update();
lastUpdate = DateTime.Now;
documentWorkspace.History.BeginStepGroup();
}
}
documentWorkspace.ResumeToolCursorChanges();
}
documentWorkspace.History.EndStepGroup();
Utility.GCFullCollect();
documentWorkspace.Document.Invalidate();
documentWorkspace.Update();
return null;
}
public override HistoryMemento PerformAction(DocumentWorkspace documentWorkspace)
{
DateTime utcNow = DateTime.UtcNow;
documentWorkspace.History.BeginStepGroup();
using (new WaitCursorChanger(documentWorkspace))
{
documentWorkspace.SuspendToolCursorChanges();
while (documentWorkspace.History.UndoStack.Count > 1)
{
documentWorkspace.History.StepBackward(documentWorkspace);
CleanupManager.RequestCleanup();
TimeSpan span = (TimeSpan)(DateTime.UtcNow - utcNow);
if (span.TotalMilliseconds >= 500.0)
{
documentWorkspace.History.EndStepGroup();
documentWorkspace.QueueUpdate();
utcNow = DateTime.UtcNow;
documentWorkspace.History.BeginStepGroup();
}
}
documentWorkspace.ResumeToolCursorChanges();
}
documentWorkspace.History.EndStepGroup();
CleanupManager.RequestCleanup();
documentWorkspace.Document.Invalidate();
documentWorkspace.QueueUpdate();
return(null);
}
