/// <summary>
/// Add an <see cref="T:Northwoods.Go.IGoUndoableEdit" /> to the end of the list.
/// </summary>
/// <param name="edit"></param>
public virtual void AddEdit(IGoUndoableEdit edit)
{
if (!IsComplete)
{
myEdits.Add(edit);
}
}
/// <summary>
/// Restore the state of some documents to after the current <see cref="T:Northwoods.Go.IGoUndoableEdit" />.
/// </summary>
/// <remarks>
/// This calls <see cref="M:Northwoods.Go.IGoUndoableEdit.Redo" /> on the current <see cref="P:Northwoods.Go.GoUndoManager.EditToRedo" />.
/// This will raise a <see cref="E:Northwoods.Go.GoDocument.Changed" /> event with a hint of
/// <see cref="F:Northwoods.Go.GoDocument.StartingRedo" /> before actually performing the redo, and will raise a
/// Changed event with a hint of <see cref="F:Northwoods.Go.GoDocument.FinishedRedo" /> afterwards.
/// The <see cref="T:Northwoods.Go.GoChangedEventArgs" />.<see cref="P:Northwoods.Go.GoChangedEventArgs.Object" />
/// is the <see cref="T:Northwoods.Go.GoUndoManagerCompoundEdit" /> that was the value of
/// <see cref="P:Northwoods.Go.GoUndoManager.EditToRedo" /> before calling Redo.
/// </remarks>
/// <seealso cref="M:Northwoods.Go.GoUndoManager.CanRedo" />
public virtual void Redo()
{
checked
{
if (CanRedo())
{
IGoUndoableEdit editToRedo = EditToRedo;
try
{
foreach (GoDocument document in Documents)
{
document.RaiseChanged(109, 0, editToRedo, 0, null, GoObject.NullRect, 0, null, GoObject.NullRect);
}
myIsRedoing = true;
myCurrentEditIndex++;
editToRedo.Redo();
}
catch (Exception ex)
{
GoObject.Trace("Redo: " + ex.ToString());
throw;
}
finally
{
myIsRedoing = false;
foreach (GoDocument document2 in Documents)
{
document2.RaiseChanged(110, 0, editToRedo, 0, null, GoObject.NullRect, 0, null, GoObject.NullRect);
}
}
}
}
}
