// 撤销重做相关方法
public override void Undo(HCCustomUndoAction aUndoAction)
{
if (aUndoAction is HCItemSelfUndoAction)
{
HCUndoList vUndoList = (aUndoAction as HCItemSelfUndoAction).Object as HCUndoList;
if (vUndoList != null)
{
vUndoList.Undo();
}
else
{
base.Undo(aUndoAction);
}
}
else
{
base.Undo(aUndoAction);
}
}
/// <summary> 撤销 </summary>
public void Undo()
{
if (FUndoList.Enable)
{
try
{
FUndoList.Enable = false;
BeginUpdate();
try
{
FUndoList.Undo();
}
finally
{
EndUpdate();
}
}
finally
{
FUndoList.Enable = true;
}
}
}