Example #1
0
        /// <summary>
        /// 从集合中移除指定的shape,通过shape在地图中的实际索引移除
        /// </summary>
        /// <param name="ShapeIndex">shape的索引</param>
        public void RemoveByShapeIndex(int ShapeIndex)
        {
            int i;
            int j;

            MainProgram.SelectedShape tShp;

            if (Program.frmMain.MapMain == null)
            {
                return;
            }

            for (i = 0; i < m_Shapes.Length; i++)
            {
                if (m_Shapes[i].ShapeIndex == ShapeIndex) //找到该shapIndex的对象
                {
                    tShp = m_Shapes[i];

                    if (Program.frmMain.MapMain.ShapeDrawingMethod != MapWinGIS.tkShapeDrawingMethod.dmNewSymbology)
                    {
                        Program.frmMain.MapMain.LockWindow(MapWinGIS.tkLockMode.lmLock);
                        try
                        {
                            Program.frmMain.MapMain.set_ShapePointColor(m_LayerHandle, ShapeIndex, tShp.OriginalColor);
                            Program.frmMain.MapMain.set_ShapeLineColor(m_LayerHandle, ShapeIndex, tShp.OriginalOutlineColor);
                            Program.frmMain.MapMain.set_ShapeFillColor(m_LayerHandle, ShapeIndex, tShp.OriginalColor);
                            Program.frmMain.MapMain.set_ShapeDrawFill(m_LayerHandle, ShapeIndex, tShp.OriginalDrawFill);

                            if (Program.projInfo.TransparentSelection)
                            {
                                Program.frmMain.MapMain.set_ShapeFillTransparency(m_LayerHandle, ShapeIndex, tShp.OriginalTransparency);
                            }
                        }
                        finally
                        {
                            Program.frmMain.MapMain.LockWindow(MapWinGIS.tkLockMode.lmUnlock);
                        }
                    }
                    else
                    {
                        // 新版中ocx会自己选择合适的颜色
                        MainProgram.Layer layer = (MainProgram.Layer)Program.frmMain.Layers[m_LayerHandle];
                        if (layer != null)
                        {
                            MapWinGIS.Shapefile sf;
                            sf = (MapWinGIS.Shapefile)(layer.GetObject());
                            if (sf != null)
                            {
                                sf.ShapeSelected[ShapeIndex] = false;
                            }
                        }
                    }

                    for (j = i; j <= m_NumSelected - 2; j++)
                    {
                        m_Shapes[j] = m_Shapes[j + 1];
                    }

                    m_Shapes[m_NumSelected - 1] = null;
                    m_NumSelected--;

                    if (m_NumSelected == 0)
                    {
                        m_Shapes = null;
                    }
                    else
                    {
                        Array.Resize(ref m_Shapes, m_NumSelected);
                    }

                    tShp = null;
                    return; //所有的操作完成,直接返回
                }
            }
        }
Example #2
0
        /// <summary>
        /// 从集合中移除指定索引的shape,通过shape存储在集合中的索引删除
        /// </summary>
        /// <param name="ListIndex">要移除的shape的集中对应的索引</param>
        public void RemoveSelectedShape(int ListIndex)
        {
            int i;

            MainProgram.SelectedShape tShp;
            int mapIndex;
            int mapHandle;

            if (Program.frmMain.MapMain == null)
            {
                return;
            }

            mapHandle = m_LayerHandle;

            if (ListIndex >= 0 && ListIndex < m_NumSelected)
            {
                Program.frmMain.MapMain.LockWindow(MapWinGIS.tkLockMode.lmLock);

                try
                {
                    tShp     = m_Shapes[ListIndex];
                    mapIndex = tShp.ShapeIndex;

                    if (Program.frmMain.MapMain.ShapeDrawingMethod != MapWinGIS.tkShapeDrawingMethod.dmNewSymbology)
                    {
                        Program.frmMain.MapMain.set_ShapePointColor(mapHandle, mapIndex, tShp.OriginalColor);
                        Program.frmMain.MapMain.set_ShapeLineColor(mapHandle, mapIndex, tShp.OriginalOutlineColor);
                        Program.frmMain.MapMain.set_ShapeFillColor(mapHandle, mapIndex, tShp.OriginalColor);
                        Program.frmMain.MapMain.set_ShapeDrawFill(mapHandle, mapIndex, tShp.OriginalDrawFill);

                        if (Program.projInfo.TransparentSelection)
                        {
                            Program.frmMain.MapMain.set_ShapeFillTransparency(mapHandle, mapIndex, tShp.OriginalTransparency);
                        }
                    }
                    else
                    {
                        MainProgram.Layer layer = (MainProgram.Layer)Program.frmMain.Layers[m_LayerHandle];
                        if (layer != null)
                        {
                            MapWinGIS.Shapefile sf;
                            sf = (MapWinGIS.Shapefile)(layer.GetObject());
                            if (sf != null)
                            {
                                tShp     = m_Shapes[ListIndex];
                                mapIndex = tShp.ShapeIndex;
                                sf.ShapeSelected[mapIndex] = false;
                            }
                        }
                    }
                    tShp = null;

                    for (i = ListIndex; i < m_NumSelected - 1; i++) //移除并整理数组
                    {
                        m_Shapes[i] = m_Shapes[i + 1];
                    }

                    m_Shapes[m_NumSelected - 1] = null;
                    m_NumSelected--;

                    if (m_NumSelected == 0)
                    {
                        m_Shapes = null;
                    }
                    else
                    {
                        Array.Resize(ref m_Shapes, m_NumSelected);
                    }
                }
                finally
                {
                    Program.frmMain.MapMain.LockWindow(MapWinGIS.tkLockMode.lmUnlock);
                }
            }
            else
            {
                Program.g_error = "RemoveSelectedShape:  无效的索引";
            }
        }