protected virtual void OnPointFetched(MapObjects2.Point e) { if (PointFetchedEvent != null && e != null) { PointFetchedEvent(null, e); } }
public MapObjects2.ClassBreaksRenderer GetClassBreaksRender(MapObjects2.MapLayer layer, string renderFieldName, int breaksCount, Color startColor, Color endColor) { MapObjects2.ClassBreaksRenderer oClassBreakRender = new MapObjects2.ClassBreaksRendererClass(); if (layer.shapeType == ShapeTypeConstants.moShapeTypePoint) oClassBreakRender.SymbolType = SymbolTypeConstants.moPointSymbol; else if (layer.shapeType == ShapeTypeConstants.moShapeTypeLine) oClassBreakRender.SymbolType = SymbolTypeConstants.moLineSymbol; else if (layer.shapeType == ShapeTypeConstants.moShapeTypePolygon) oClassBreakRender.SymbolType = SymbolTypeConstants.moFillSymbol; oClassBreakRender.Field = renderFieldName; oClassBreakRender.BreakCount = (short)breaksCount; MapObjects2.Statistics oStatistic = layer.Records.CalculateStatistics(renderFieldName); double dInterval = (oStatistic.Max - oStatistic.Min) / breaksCount; for (short i = 0; i < breaksCount; i++) { oClassBreakRender.set_Break(i, oStatistic.Min + dInterval * i); } oClassBreakRender.RampColors((uint)Utilities.Converter.ConvertSystemtoIntegerColor(startColor), (uint)Utilities.Converter.ConvertSystemtoIntegerColor(endColor)); return oClassBreakRender; }
public void ConvertTextSymbol(TextSymbolStruct fromSymbol, MapObjects2.TextSymbol toSymbol) { toSymbol.Color = (uint)fromSymbol.TextColor.ToArgb(); toSymbol.Fitted = fromSymbol.Fitted; toSymbol.Font = fromSymbol.TextFont; toSymbol.Height = fromSymbol.Height; toSymbol.HorizontalAlignment = (MapObjects2.AlignmentConstants)fromSymbol.HorizontalAlignment; toSymbol.VerticalAlignment = (MapObjects2.AlignmentConstants)fromSymbol.VerticalAlignment; toSymbol.Rotation = fromSymbol.Rotation; }
public void ConvertSymbol(SymbolStruct fromSymbol,MapObjects2.Symbol toSymbol) { toSymbol.CenterOnAscent = fromSymbol.CenterOnAscent; toSymbol.CharacterIndex = fromSymbol.CharacterIndex; toSymbol.Color = Convert.ToUInt32(fromSymbol.FillColor.ToArgb()); toSymbol.Custom = fromSymbol.CustomSymbol; toSymbol.Font.Name = fromSymbol.FontName; toSymbol.Outline = fromSymbol.OutLine; toSymbol.OutlineColor = Convert.ToUInt32(fromSymbol.OutLineColor.ToArgb()); toSymbol.Rotation = fromSymbol.Rotation; toSymbol.Size = fromSymbol.Size; toSymbol.Style = fromSymbol.Style; toSymbol.SymbolType = (MapObjects2.SymbolTypeConstants)fromSymbol.SymbolType; }
private void LoadDataToGridView(MapObjects2.MapLayer layer) { Utilities.LayerProperty oLayerProperty = new MapConfigure.Utilities.LayerProperty(); try { this.lblLayerDescription.Text = string.Format("ͼ������ �� {0}", layer.Name); System.Data.DataTable dtlayerAttributes = oLayerProperty.GetAttributesByLayer(layer); this.dgvViewAttributes.DataSource = dtlayerAttributes; } finally { oLayerProperty = null; } }
public FeatureInformations GetIdentifyFeatureInfos(MapObjects2.Point mousePosition, AxMapObjects2.AxMap mapControl,MapProject.MapStruct mapInfosCollection) { FeatureInformations oFeatureInfos = null; foreach (ILayerStruct oLayerInfos in mapInfosCollection.Layers) { if (oLayerInfos.LayerType != (short)LayerTypeConstants.moMapLayer) continue; MapUtil.MapOperation oMapOper = new MapOperation(); MapObjects2.MapLayer oMapLayer = oMapOper.GetLayerByName(mapControl, oLayerInfos.AliasName) as MapObjects2.MapLayer; if (oMapLayer.Visible == false) continue; Recordset oSelectedRecords = oMapLayer.SearchShape(mousePosition, SearchMethodConstants.moAreaIntersect, ""); if (oSelectedRecords.EOF) continue; oSelectedRecords.MoveFirst(); oFeatureInfos = new FeatureInformations(); oFeatureInfos.CurrentLayerInfos = oLayerInfos; oFeatureInfos.Geometry = oSelectedRecords.Fields.Item("shape").Value; TableDesc oTableDesc = oSelectedRecords.TableDesc; oFeatureInfos.FieldsAndValuesCollection = new Dictionary<string, string>(); int iFieldsCount = oTableDesc.FieldCount; string sFieldName = ""; string sValue = ""; for (short i = 0; i < iFieldsCount; i++) { sFieldName = oTableDesc.get_FieldName(i); sValue = oSelectedRecords.Fields.Item(sFieldName).ValueAsString; oFeatureInfos.FieldsAndValuesCollection.Add(sFieldName, sValue); } break; } return oFeatureInfos; }
public MapObjects2.LabelRenderer GetLabelRender(string labelFieldName,bool allowDuplicates, bool flip, double minLevel, double maxLevel, System.Drawing.Color labelColor, string labelFontName,double labelSize, double rotation, MapObjects2.AlignmentConstants horizontalAlignment, MapObjects2.AlignmentConstants verticalAlignment) { MapObjects2.LabelRenderer oLabelRender = new MapObjects2.LabelRendererClass(); oLabelRender.Field = labelFieldName; oLabelRender.AllowDuplicates = allowDuplicates; oLabelRender.Flip = flip; oLabelRender.MaxLevel = (short)maxLevel; oLabelRender.MinLevel = (short)minLevel; oLabelRender.SymbolCount = 1; oLabelRender.get_Symbol(0).Color = (uint)Utilities.Converter.ConvertSystemtoIntegerColor(labelColor); oLabelRender.get_Symbol(0).Font.Name = labelFontName; oLabelRender.get_Symbol(0).Font.Size = (decimal)labelSize; oLabelRender.get_Symbol(0).HorizontalAlignment = horizontalAlignment; oLabelRender.get_Symbol(0).VerticalAlignment = verticalAlignment; oLabelRender.get_Symbol(0).Rotation = rotation; return oLabelRender; }
public System.Data.DataTable GetAttributesByLayer(MapObjects2.MapLayer layer) { if (layer == null) return null; short iColumnsCount = 0; string sFieldName = null; DataTable dtLayerAttribute = new DataTable(); MapObjects2.Recordset oAttributeRecordes = layer.Records; MapObjects2.TableDesc oAtributeColumns = oAttributeRecordes.TableDesc; iColumnsCount = oAtributeColumns.FieldCount; for (short i = 0; i < iColumnsCount; i++) { DataColumn oColumn = new DataColumn(oAtributeColumns.get_FieldName(i)); dtLayerAttribute.Columns.Add(oColumn); } oAttributeRecordes.MoveFirst(); while (!oAttributeRecordes.EOF) { DataRow oNewRow = dtLayerAttribute.NewRow(); for (short i = 0; i < iColumnsCount; i++) { sFieldName = oAttributeRecordes.TableDesc.get_FieldName(i).ToString(); oNewRow[sFieldName] = oAttributeRecordes.Fields.Item(sFieldName).ValueAsString; } dtLayerAttribute.Rows.Add(oNewRow); oAttributeRecordes.MoveNext(); } return dtLayerAttribute; }
public void DrawMainMapViewExtent(MapObjects2.Rectangle viewExtent) { this.mapControl.TrackingLayer.ClearEvents(); this.mapControl.TrackingLayer.AddEvent(viewExtent, 0); }
public void AddTrackingPath(MapObjects2.Line trackingPath) { this._trackingLineEvent = this._trackingLayer.AddEvent(trackingPath, this._trackingLineSymbolIndex); }
private void InitGroupRenderLab(MapObjects2.GroupRenderer render) { if ((render).Count > 0) { object oClassBreaksRender = this.GetRenderFromGroup(render, RenderType.ClassBreakRender); if (oClassBreaksRender != null) { this.ckbIsAddClassBreakRender.Checked = true; InitClassBreaksRenderLab(oClassBreaksRender as MapObjects2.ClassBreaksRenderer); } object oLabelRender = this.GetRenderFromGroup(render, RenderType.LabelRender); if (oLabelRender != null) { this.ckbIsAddLabelRender.Checked = true; InitLabelRenderLab(oLabelRender as MapObjects2.LabelRenderer); } object oValueRender = this.GetRenderFromGroup(render, RenderType.ValueRender); if (oValueRender != null) { this.ckbIsAddUniqueValueRender.Checked = true; InitUniqueValueRenderLab(oValueRender as MapObjects2.ValueMapRenderer); } } }
private void SetLayerRender(MapObjects2.MapLayer layer, IRenderStruct render) { if (render.LayerRenderType == RenderType.ValueRender) layer.Renderer = this.GetValueRender(render as ValueRenderStruct); else if (render.LayerRenderType == RenderType.ClassBreakRender) layer.Renderer = this.GetClassBreakRender(render as ClassBreakRenderStruct); else if (render.LayerRenderType == RenderType.LabelRender) layer.Renderer = this.GetLabelRender(render as LabelRenderStruct); else if (render.LayerRenderType == RenderType.GroupRender) layer.Renderer = this.GetGroupRender(render as GroupRenderStruct); }
private ValueRenderStruct ExportValueRender(MapObjects2.ValueMapRenderer render) { ValueRenderStruct oValueRender = new ValueRenderStruct(); this.DeconvertSymbol(render.DefaultSymbol, oValueRender.DefaultSymbol); oValueRender.Field = render.Field; oValueRender.RotationField = render.RotationField; oValueRender.ScaleField = render.ScalingField; oValueRender.SymbolType = (short)render.SymbolType; oValueRender.Tag = render.Tag; oValueRender.UseDefault = render.UseDefault; oValueRender.ValueCount = render.ValueCount; short iIndex = 0; MapObjects2.Symbol oMapSymbol = render.get_Symbol(iIndex); while (oMapSymbol != null) { SymbolStruct oSymbol = new SymbolStruct(); this.DeconvertSymbol(oMapSymbol, oSymbol); oValueRender.SymbolList.Add(oSymbol); iIndex++; oMapSymbol = render.get_Symbol(iIndex); } return oValueRender; }
public MapLayerInfoStruct LoadLayerInfos(MapObjects2.MapLayer layer,string fileName,double minScale,double maxScale) { MapLayerInfoStruct oMapLayerStruct = new MapLayerInfoStruct(); oMapLayerStruct.Name = layer.Name; oMapLayerStruct.FileName = fileName; oMapLayerStruct.ShapeType = (short)layer.shapeType; oMapLayerStruct.MinLevel = minScale; oMapLayerStruct.MaxLevel = maxScale; this.DeconvertSymbol(layer.Symbol, oMapLayerStruct.Symbol); oMapLayerStruct.Render = this.ExportLayerRender(layer); return oMapLayerStruct; }
private void CopySymbolToAnother(MapObjects2.Symbol fromSymbol, MapObjects2.Symbol toSymbol) { toSymbol.SymbolType = fromSymbol.SymbolType; toSymbol.CenterOnAscent = fromSymbol.CenterOnAscent; toSymbol.CharacterIndex = fromSymbol.CharacterIndex; toSymbol.Color = fromSymbol.Color; toSymbol.Custom = fromSymbol.Custom; toSymbol.Font = toSymbol.Font; toSymbol.Outline = fromSymbol.Outline; toSymbol.OutlineColor = fromSymbol.OutlineColor; toSymbol.Rotation = fromSymbol.Rotation; toSymbol.Size = fromSymbol.Size; toSymbol.Style = fromSymbol.Style; toSymbol.SymbolType = fromSymbol.SymbolType; }
private void DeconvertTextSymbol(MapObjects2.TextSymbol fromSymbol, TextSymbolStruct toSymbol) { toSymbol.TextColor = System.Drawing.ColorTranslator.FromWin32((int)fromSymbol.Color); toSymbol.Fitted = fromSymbol.Fitted; toSymbol.TextFont = fromSymbol.Font; toSymbol.Height = fromSymbol.Height; toSymbol.HorizontalAlignment = (short)fromSymbol.HorizontalAlignment; toSymbol.VerticalAlignment = (short)fromSymbol.VerticalAlignment; toSymbol.Rotation = fromSymbol.Rotation; }
/// <summary> /// ��ͼ������Ψһֵ��Ⱦ /// </summary> /// <param name="layer"></param> /// <param name="renderFieldName"></param> public MapObjects2.ValueMapRenderer GetUniqueValueRender(MapObjects2.MapLayer layer, string renderFieldName) { MapObjects2.ValueMapRenderer oValueMapRender = new MapObjects2.ValueMapRendererClass(); MapObjects2.Recordset oRecords = layer.Records; MapObjects2.Strings oStrings = new StringsClass(); if (layer.shapeType == ShapeTypeConstants.moShapeTypePoint) oValueMapRender.SymbolType = SymbolTypeConstants.moPointSymbol; else if (layer.shapeType == ShapeTypeConstants.moShapeTypeLine) oValueMapRender.SymbolType = SymbolTypeConstants.moLineSymbol; else if (layer.shapeType == ShapeTypeConstants.moShapeTypePolygon) oValueMapRender.SymbolType = SymbolTypeConstants.moFillSymbol; oValueMapRender.Field = renderFieldName; oStrings.Unique = true; oRecords.MoveFirst(); while (!oRecords.EOF) { oStrings.Add(oRecords.Fields.Item(renderFieldName).ValueAsString); oRecords.MoveNext(); } oValueMapRender.ValueCount = oStrings.Count; for (short i = 0; i < oStrings.Count; i++) oValueMapRender.set_Value(i, oStrings.Item(i)); return oValueMapRender; }
private void DeconvertSymbol(MapObjects2.Symbol fromSymbol, SymbolStruct toSymbol) { toSymbol.CenterOnAscent = fromSymbol.CenterOnAscent; toSymbol.CharacterIndex = fromSymbol.CharacterIndex; toSymbol.FillColor = System.Drawing.ColorTranslator.FromWin32((int)fromSymbol.Color); toSymbol.CustomSymbol = fromSymbol.Custom; toSymbol.FontName = fromSymbol.Font.Name; toSymbol.OutLine = fromSymbol.Outline; toSymbol.OutLineColor = System.Drawing.ColorTranslator.FromWin32((int)fromSymbol.OutlineColor); toSymbol.Rotation = fromSymbol.Rotation; toSymbol.Size = fromSymbol.Size; toSymbol.Style = fromSymbol.Style; toSymbol.SymbolType = (short)fromSymbol.SymbolType; }
private void InitUniqueValueRenderLab(MapObjects2.ValueMapRenderer render) { this.cbbFields_UniqueValue.Text = (render as MapObjects2.ValueMapRenderer).Field; }
public ImageLayerInfoStruct LoadLayerInfos(MapObjects2.ImageLayer layer,string fileName,double minScale,double maxScale) { ImageLayerInfoStruct oImageLayerStruct = new ImageLayerInfoStruct(); oImageLayerStruct.FileName = fileName; oImageLayerStruct.MinLevel = minScale; oImageLayerStruct.MaxLevel = maxScale; oImageLayerStruct.Name = layer.Name; return oImageLayerStruct; }
void Instance_PointFetchedEvent(object sender, MapObjects2.Point e) { this.txtCoordX.Text = e.X.ToString(); this.txtCoordY.Text = e.Y.ToString(); }
private void InitLabelRenderLab(MapObjects2.LabelRenderer render) { this.cbbLabelField.Text = render.Field; this.txtFont.Text = render.get_Symbol(0).Font.Name; this.pnlLabelColor.BackColor = Utilities.Converter.ConvertIntegerToSystemColor((int)render.get_Symbol(0).Color); this.cbbLabelHorizonalAligment.Text = (render.get_Symbol(0).HorizontalAlignment).ToString(); this.cbbLabelVerticalAligment.Text = (render.get_Symbol(0).VerticalAlignment).ToString(); this.numLabelSize.Value = render.get_Symbol(0).Font.Size; this.numLabelRotation.Value = (decimal)render.get_Symbol(0).Rotation; this.ckbAllowOverwrite.Checked = render.AllowDuplicates; this.ckbLabelScale.Checked = render.Flip; }
private ClassBreakRenderStruct ExportClassBreakRender(MapObjects2.ClassBreaksRenderer render) { ClassBreakRenderStruct oClassBreakRender = new ClassBreakRenderStruct(); short iIndex = 0; oClassBreakRender.BreakCount = render.BreakCount; oClassBreakRender.DrawBackground = render.DrawBackground; oClassBreakRender.Field = render.Field; oClassBreakRender.SymbolType = (short)render.SymbolType; oClassBreakRender.Tag = render.Tag; double dBreak = render.get_Break(iIndex); while (dBreak != double.NaN) { oClassBreakRender.BreakList.Add(dBreak); iIndex++; dBreak = render.get_Break(iIndex); } oClassBreakRender.StartColor = System.Drawing.ColorTranslator.FromWin32((int)render.get_Symbol((short)0).Color); oClassBreakRender.EndColor = System.Drawing.ColorTranslator.FromWin32((int)render.get_Symbol((short)(render.BreakCount - 1)).Color); return oClassBreakRender; }
static object toObject(MapObjects2.Point poi) { return (object)poi; }
/// <summary> /// �������úõ���ʽ��ӵ�Ψһֵ��Ⱦ��ȥ /// </summary> /// <param name="layer"></param> /// <param name="symbols"></param> public void SetSymbolsToValueRenderedLayer(MapObjects2.MapLayer layer, Dictionary<string, MapObjects2.Symbol> symbols) { if (layer.Renderer == null) throw new Exception("the layer has not set a render."); if (layer.Renderer is MapObjects2.ValueMapRenderer) throw new Exception("the layer has a render,but not a valuerender."); Dictionary<string, MapObjects2.Symbol>.KeyCollection oKeys = symbols.Keys; MapObjects2.ValueMapRenderer oValueRender = layer.Renderer as MapObjects2.ValueMapRenderer; int iValueIndex = -1; MapObjects2.Symbol oSymbol = null; foreach (string sKey in oKeys) { iValueIndex = this.GetValueIndexByRenderValue(oValueRender, sKey); if (iValueIndex != -1 && symbols.TryGetValue(sKey, out oSymbol)) this.CopySymbolToAnother(oSymbol, oValueRender.get_Symbol((short)iValueIndex)); } }
private GroupRenderStruct ExportGroupRender(MapObjects2.GroupRenderer render) { GroupRenderStruct oGroupRender = new GroupRenderStruct(); short iIndex = 0; oGroupRender.DrawBackground = render.DrawBackground; oGroupRender.Tag = render.Tag; object oMapSubRender = render.get_Renderer(iIndex); while (oMapSubRender != null) { if (oMapSubRender is MapObjects2.ValueMapRenderer) { ValueRenderStruct oValueRender = this.ExportValueRender(oMapSubRender as MapObjects2.ValueMapRenderer); oGroupRender.RenderList.Add(oValueRender); } else if (oMapSubRender is MapObjects2.ClassBreaksRenderer) { ClassBreakRenderStruct oClassBreakRender = this.ExportClassBreakRender(oMapSubRender as MapObjects2.ClassBreaksRenderer); oGroupRender.RenderList.Add(oClassBreakRender); } else if (oMapSubRender is MapObjects2.LabelRenderer) { LabelRenderStruct oLabelRender = this.ExportLabelRender(oMapSubRender as MapObjects2.LabelRenderer); oGroupRender.RenderList.Add(oLabelRender); } iIndex++; oMapSubRender = render.get_Renderer(iIndex); } return oGroupRender; }
private int GetValueIndexByRenderValue(MapObjects2.ValueMapRenderer render, string renderValue) { int iValueCount = render.ValueCount; for (short i = 0; i < iValueCount; i++) { if (renderValue.Equals(render.get_Value(i))) return (int)i; } return -1; }
private LabelRenderStruct ExportLabelRender(MapObjects2.LabelRenderer render) { LabelRenderStruct oLabelRender = new LabelRenderStruct(); oLabelRender.AllowDuplicates = render.AllowDuplicates; oLabelRender.DrawBackground = render.DrawBackground; oLabelRender.Field = render.Field; oLabelRender.FittedField = render.FittedField; oLabelRender.Flip = render.Flip; oLabelRender.HeightField = render.HeightField; oLabelRender.LevelField = render.LevelField; oLabelRender.MaxLevel = render.MaxLevel; oLabelRender.MinLevel = render.MinLevel; oLabelRender.RotationField = render.RotationField; oLabelRender.SplinedText = render.SplinedText; oLabelRender.SymbolCount = render.SymbolCount; oLabelRender.SymbolField = render.SymbolField; oLabelRender.Tag = render.Tag; oLabelRender.XOffsetField = render.XOffsetField; oLabelRender.YOffsetField = render.YOffsetField; short iIndex = 0; MapObjects2.TextSymbol oMapTextSymbol = render.get_Symbol(iIndex); while (oMapTextSymbol != null) { TextSymbolStruct oTextSymbol = new TextSymbolStruct(); this.DeconvertTextSymbol(oMapTextSymbol, oTextSymbol); oLabelRender.SymbolList.Add(oTextSymbol); iIndex++; oMapTextSymbol = render.get_Symbol(iIndex); } return oLabelRender; }
public short GetSymbolStyleByName(MapObjects2.ShapeTypeConstants shapeType, string symbolStyleName) { if (shapeType == ShapeTypeConstants.moShapeTypePoint) { if (symbolStyleName == MarkerStyleConstants.moCircleMarker.ToString()) return (short)MarkerStyleConstants.moCircleMarker; else if (symbolStyleName == MarkerStyleConstants.moCrossMarker.ToString()) return (short)MarkerStyleConstants.moCrossMarker; else if (symbolStyleName == MarkerStyleConstants.moSquareMarker.ToString()) return (short)MarkerStyleConstants.moSquareMarker; else if (symbolStyleName == MarkerStyleConstants.moTriangleMarker.ToString()) return (short)MarkerStyleConstants.moTriangleMarker; else if (symbolStyleName == MarkerStyleConstants.moTrueTypeMarker.ToString()) return (short)MarkerStyleConstants.moTrueTypeMarker; } else if (shapeType == ShapeTypeConstants.moShapeTypeLine) { if (symbolStyleName == LineStyleConstants.moDashDotDotLine.ToString()) return (short)LineStyleConstants.moDashDotDotLine; else if (symbolStyleName == LineStyleConstants.moDashDotLine.ToString()) return (short)LineStyleConstants.moDashDotLine; else if (symbolStyleName == LineStyleConstants.moDashLine.ToString()) return (short)LineStyleConstants.moDashLine; else if (symbolStyleName == LineStyleConstants.moDotLine.ToString()) return (short)LineStyleConstants.moDotLine; else if (symbolStyleName == LineStyleConstants.moSolidLine.ToString()) return (short)LineStyleConstants.moSolidLine; } else if (shapeType == ShapeTypeConstants.moShapeTypePolygon) { if (symbolStyleName == FillStyleConstants.moCrossFill.ToString()) return (short)FillStyleConstants.moCrossFill; else if (symbolStyleName == FillStyleConstants.moDarkGrayFill.ToString()) return (short)FillStyleConstants.moDarkGrayFill; else if (symbolStyleName == FillStyleConstants.moDiagonalCrossFill.ToString()) return (short)FillStyleConstants.moDiagonalCrossFill; else if (symbolStyleName == FillStyleConstants.moDownwardDiagonalFill.ToString()) return (short)FillStyleConstants.moDownwardDiagonalFill; else if (symbolStyleName == FillStyleConstants.moGrayFill.ToString()) return (short)FillStyleConstants.moGrayFill; else if (symbolStyleName == FillStyleConstants.moHorizontalFill.ToString()) return (short)FillStyleConstants.moHorizontalFill; else if (symbolStyleName == FillStyleConstants.moLightGrayFill.ToString()) return (short)FillStyleConstants.moLightGrayFill; else if (symbolStyleName == FillStyleConstants.moSolidFill.ToString()) return (short)FillStyleConstants.moSolidFill; else if (symbolStyleName == FillStyleConstants.moTransparentFill.ToString()) return (short)FillStyleConstants.moTransparentFill; else if (symbolStyleName == FillStyleConstants.moUpwardDiagonalFill.ToString()) return (short)FillStyleConstants.moUpwardDiagonalFill; else if (symbolStyleName == FillStyleConstants.moVerticalFill.ToString()) return (short)FillStyleConstants.moVerticalFill; } return (short)-1; }
private IRenderStruct ExportLayerRender(MapObjects2.MapLayer layer) { object oLayerRender = layer.Renderer; if (oLayerRender == null) return null; if (oLayerRender is MapObjects2.ValueMapRenderer) return this.ExportValueRender(layer.Renderer as MapObjects2.ValueMapRenderer); else if (oLayerRender is MapObjects2.ClassBreaksRenderer) return this.ExportClassBreakRender(layer.Renderer as MapObjects2.ClassBreaksRenderer); else if (oLayerRender is MapObjects2.LabelRenderer) return this.ExportLabelRender(layer.Renderer as MapObjects2.LabelRenderer); else if (oLayerRender is MapObjects2.GroupRenderer) return this.ExportGroupRender(layer.Renderer as MapObjects2.GroupRenderer); else return null; }