try
{
//判断是否可以返回上一视图
if (mapControl.ActiveView.ExtentStack.CanUndo())
{
//执行操作
mapControl.ActiveView.ExtentStack.Undo();
//刷新
mapControl.Refresh();
}
}
catch (Exception ex)
{
throw;
}
try
{
if (mapControl.ActiveView.ExtentStack.CanRedo())
{
mapControl.ActiveView.ExtentStack.Redo();
mapControl.Refresh();
}
}
catch (Exception ex)
{
throw;
}