private void sbtn_Split_Click(object sender, System.EventArgs e) { DF3DApplication app = DF3DApplication.Application; if (app == null || app.Current3DMapControl == null) { return; } if (System.Windows.Forms.DialogResult.No != XtraMessageBox.Show("模型拆分不支持撤销操作,是否继续?", "询问", System.Windows.Forms.MessageBoxButtons.YesNo, System.Windows.Forms.MessageBoxIcon.Exclamation)) { IFeatureClass featureClass = null; IFdeCursor fdeCursor = null; app.Current3DMapControl.PauseRendering(false); WaitDialogForm waitDialogForm = null; try { int count = SelectCollection.Instance().GetCount(true); if (count <= 0) { XtraMessageBox.Show("未选中要拆分的模型!"); } else { if (this._renderGeo == null || this._renderGeo.GetFdeGeometry() == null) { XtraMessageBox.Show("请先绘制或选择拆分多边形!"); } else { IMultiPolygon multiPolygon = null; if (this.radioGroup1.SelectedIndex == 1) { IGeometryFactory geometryFactory = new GeometryFactoryClass(); multiPolygon = (geometryFactory.CreateGeometry(gviGeometryType.gviGeometryMultiPolygon, gviVertexAttribute.gviVertexAttributeZ) as IMultiPolygon); multiPolygon.AddPolygon(this._renderGeo.GetFdeGeometry() as IPolygon); } else { if (this.radioGroup1.SelectedIndex == 0) { multiPolygon = (this._renderGeo.GetFdeGeometry() as IMultiPolygon); } } if (multiPolygon == null) { XtraMessageBox.Show("获取裁剪多边形失败!"); } else { waitDialogForm = new WaitDialogForm(string.Empty, "正在拆分模型,请稍后..."); HashMap featureClassInfoMap = SelectCollection.Instance().FeatureClassInfoMap; System.Collections.Hashtable hashtable = new System.Collections.Hashtable(); foreach (DF3DFeatureClass featureClassInfo in featureClassInfoMap.Keys) { if (featureClassInfo.GetFeatureLayer().GeometryType == gviGeometryColumnType.gviGeometryColumnModelPoint) { System.Collections.Generic.List <int> list = new System.Collections.Generic.List <int>(); System.Collections.Generic.List <int> list2 = new System.Collections.Generic.List <int>(); IRowBufferCollection rowBufferCollection = new RowBufferCollectionClass(); IRowBufferCollection rowBufferCollection2 = new RowBufferCollectionClass(); ResultSetInfo resultSetInfo = featureClassInfoMap[featureClassInfo] as ResultSetInfo; DataTable resultSetTable = resultSetInfo.ResultSetTable; if (resultSetTable.Rows.Count >= 1) { featureClass = featureClassInfo.GetFeatureClass(); IResourceManager resourceManager = featureClass.FeatureDataSet as IResourceManager; string fidFieldName = featureClass.FidFieldName; int num = featureClass.GetFields().IndexOf(fidFieldName); foreach (DataRow dataRow in resultSetTable.Rows) { int num2 = int.Parse(dataRow[fidFieldName].ToString()); IRowBuffer row = featureClass.GetRow(num2); int position = row.FieldIndex(featureClassInfo.GetFeatureLayer().GeometryFieldName); IModelPoint modelPoint = row.GetValue(position) as IModelPoint; if (modelPoint != null) { Gvitech.CityMaker.Resource.IModel model = resourceManager.GetModel(modelPoint.ModelName); IGeometryConvertor geometryConvertor = new GeometryConvertorClass(); Gvitech.CityMaker.Resource.IModel model2 = null; Gvitech.CityMaker.Resource.IModel model3 = null; IModelPoint modelPoint2 = null; IModelPoint modelPoint3 = null; bool flag = geometryConvertor.SplitModelPointByPolygon2D(multiPolygon, model, modelPoint, out model2, out modelPoint2, out model3, out modelPoint3); if (flag && model2 != null && !model2.IsEmpty && modelPoint2 != null && model3 != null && !model3.IsEmpty && modelPoint3 != null) { System.Guid guid = System.Guid.NewGuid(); string text = guid.ToString(); resourceManager.AddModel(text, model2, null); resourceManager.RebuildSimplifiedModel(text); guid = System.Guid.NewGuid(); string text2 = guid.ToString(); resourceManager.AddModel(text2, model3, null); resourceManager.RebuildSimplifiedModel(text2); modelPoint3.ModelName = text2; row.SetValue(position, modelPoint3); rowBufferCollection.Add(row); list.Add(num2); modelPoint2.ModelName = text; IRowBuffer rowBuffer = row.Clone(false); rowBuffer.SetNull(num); rowBuffer.SetValue(position, modelPoint2); fdeCursor = featureClass.Insert(); fdeCursor.InsertRow(rowBuffer); int lastInsertId = fdeCursor.LastInsertId; rowBuffer.SetValue(num, lastInsertId); rowBufferCollection2.Add(rowBuffer); list2.Add(lastInsertId); System.Runtime.InteropServices.Marshal.ReleaseComObject(fdeCursor); fdeCursor = null; } } } featureClass.UpdateRows(rowBufferCollection, false); app.Current3DMapControl.FeatureManager.EditFeatures(featureClass, rowBufferCollection); app.Current3DMapControl.FeatureManager.CreateFeatures(featureClass, rowBufferCollection2); hashtable[featureClassInfo] = list2; //System.Runtime.InteropServices.Marshal.ReleaseComObject(featureClass); featureClass = null; System.Runtime.InteropServices.Marshal.ReleaseComObject(resourceManager); resourceManager = null; } } } SelectCollection.Instance().UpdateSelection(hashtable); base.Close(); base.DialogResult = System.Windows.Forms.DialogResult.OK; } } } } catch (System.Runtime.InteropServices.COMException ex) { XtraMessageBox.Show(ex.Message); } catch (System.UnauthorizedAccessException var_35_4EC) { XtraMessageBox.Show("拒绝访问"); } catch (System.Exception ex2) { XtraMessageBox.Show(ex2.Message); } finally { if (waitDialogForm != null) { waitDialogForm.Close(); } if (fdeCursor != null) { System.Runtime.InteropServices.Marshal.ReleaseComObject(fdeCursor); fdeCursor = null; } //if (featureClass != null && System.Runtime.InteropServices.Marshal.IsComObject(featureClass)) //{ // System.Runtime.InteropServices.Marshal.ReleaseComObject(featureClass); // featureClass = null; //} app.Current3DMapControl.ResumeRendering(); } } }