public void Merge(CompoundCommand cmd)
{
// Replace the current command without upsetting rest of the redo stack
// and insert the current command into this compound command.
Command current = Peek();
if (current != null)
{
stack.Insert(pos - 1, cmd);
stack.RemoveAt(pos);
cmd.Do();
cmd.Insert(current);
}
else
{
Push(cmd);
}
}
public void CloseCompoundAction()
{
this.compound = null;
}
public CompoundCommand OpenCompoundAction(string name)
{
this.compound = new CompoundCommand(name);
Add(this.compound);
return(this.compound);
}