zoukankan      html  css  js  c++  java
  • Arcgis Engine9.2 Undo 和 Redo 功能实现

     


    /// <summary>
            /// 撒消编辑
            /// </summary>
            /// <param name="m_pMap">IMap 地图对象</param>
            public void MapUndoEdit(IMap m_pMap)
            {
                IEngineEditProperties ep = new EngineEditorClass();
                ILayer m_pCurrentLayer = ep.TargetLayer;
                if (m_pCurrentLayer == null) return;
                IFeatureLayer pFeatureLayer = (IFeatureLayer)m_pCurrentLayer;
                IDataset pDataset = (IDataset)pFeatureLayer.FeatureClass;
                if (pDataset == null) return;
               
                IWorkspaceEdit pWorkspaceEdit = (IWorkspaceEdit)pDataset.Workspace;
                bool bHasUndos = false;
                pWorkspaceEdit.HasUndos(ref bHasUndos);
                if (bHasUndos)
                    pWorkspaceEdit.UndoEditOperation();
                IActiveView pActiveView = (IActiveView)m_pMap;
                pActiveView.Refresh();
            }

            /// <summary>
            /// 重做
            /// </summary>
            /// <param name="m_pMap">IMap 地图对象</param>
            public void MapRedoEdit(IMap m_pMap)
            {
                IEngineEditProperties ep = new EngineEditorClass();
                ILayer m_pCurrentLayer = ep.TargetLayer;
                if (m_pCurrentLayer == null) return;
                IFeatureLayer pFeatureLayer = (IFeatureLayer)m_pCurrentLayer;
                IDataset pDataset = (IDataset)pFeatureLayer.FeatureClass;
                if (pDataset == null) return;
                IWorkspaceEdit pWorkspaceEdit = (IWorkspaceEdit)pDataset.Workspace;
                bool bHasUndos = false;
                pWorkspaceEdit.HasUndos(ref bHasUndos);
                if (bHasUndos)
                    pWorkspaceEdit.RedoEditOperation();
                IActiveView pActiveView = (IActiveView)m_pMap;
                pActiveView.Refresh();
            }

    一起学习GIS及其二次开发,一起进步!
  • 相关阅读:
    ExcelHelper
    c# 文件的读写
    Wav文件操作类
    c# & (与) 、^ (异或)和 >>(<<位移运算)
    c# 高精度的timer
    c# 生成txt文件,写入内容
    C# 对 list<T>中的数据按某字段的大小进行排序
    OC 底层探索 06、 isa 2个经典问题分析
    OC 底层探索 05、属性、成员、实例变量简析
    数据结构与算法 0、 汇总简介
  • 原文地址:https://www.cnblogs.com/tuncaysanli/p/1330074.html
Copyright © 2011-2022 走看看