GIS二次开发之全图

     全图是个不需要和地图进行交互的命令类功能，在实现自定义功能的时候只要重写OnClick事件即可，在自带的类中，也只有ControlsMapFullExtentCommand这个Command类。哈哈，这个功能几句话就解决了，看看代码吧。

        public MapFullExtent()
        {
            string[] res = GetType().Assembly.GetManifestResourceNames();

            base.m_bitmap = new System.Drawing.Bitmap(GetType().Assembly.GetManifestResourceStream("Commands.fullExtent.bmp"));
            base.m_caption = "全图";
            base.m_category = "ToolBar";
            base.m_message = "全图";
            base.m_name = "ToolBar_MapPan";
            base.m_toolTip = "全图";
        }

        public override void OnCreate(object hook)
        {
            try
            {
                m_HookHelper.Hook = hook;
                m_pActiveView = m_HookHelper.ActiveView as IActiveView;
            }
            catch { m_pActiveView = null; }
        }

        public override void OnClick()
        {
            if (null == m_pActiveView) return;
            m_pActiveView.Extent = m_pActiveView.FullExtent;
            m_pActiveView.PartialRefresh(esriViewDrawPhase.esriViewGeography, null, null);
        }

       相当的简单啊，哈哈。