public void Dispose()
{
if (dbo != null && !dbo.IsDisposed)
{
dbo.Dispose();
}
}
// the same as Editor.ActiveViewportId if ApplicationServices are available
private void zoom_extents_handler(object sender, EventArgs e)
{
using (DBObject pVpObj = Aux.active_viewport_id(database).GetObject(OpenMode.ForWrite))
{
// using protocol extensions we handle PS and MS viewports in the same manner
AbstractViewportData pAVD = new AbstractViewportData(pVpObj);
Teigha.GraphicsSystem.View pView = pAVD.GsView;
// do actual zooming - change GS view
zoom_extents(pView, pVpObj);
// save changes to database
pAVD.SetView(pView);
pAVD.Dispose();
pVpObj.Dispose();
Invalidate();
}
}
public static System.Data.DataTable GetAllPolylineNums()
{
System.Data.DataTable table = new System.Data.DataTable("编码");
table.Columns.Add(new System.Data.DataColumn(("多段线id"), typeof(string)));
table.Columns.Add(new System.Data.DataColumn(("个体编码"), typeof(string)));
table.Columns.Add(new System.Data.DataColumn(("个体要素"), typeof(string)));
table.Columns.Add(new System.Data.DataColumn(("个体名称"), typeof(string)));
table.Columns.Add(new System.Data.DataColumn(("数量"), typeof(string)));
table.Columns.Add(new System.Data.DataColumn(("个体阶段"), typeof(string)));
System.Data.DataColumn column;
System.Data.DataRow row;
Document doc = Application.DocumentManager.MdiActiveDocument;
Editor ed = doc.Editor;
Database db = doc.Database;
DocumentLock m_DocumentLock = Application.DocumentManager.MdiActiveDocument.LockDocument();
try
{
using (Transaction tr = db.TransactionManager.StartTransaction())
{
foreach (ObjectId layerId in LayersToList(db))
{
LayerTableRecord layer = tr.GetObject(layerId, OpenMode.ForRead) as LayerTableRecord;
TypedValue[] filList = new TypedValue[1] {
new TypedValue((int)DxfCode.LayerName, layer.Name)
};
SelectionFilter sfilter = new SelectionFilter(filList);
PromptSelectionResult result = ed.SelectAll(sfilter);
if (result.Status == PromptStatus.OK)
{
SelectionSet acSSet = result.Value;
foreach (ObjectId id in acSSet.GetObjectIds())
{
DBObject obj = id.GetObject(OpenMode.ForRead); //以读的方式打开对象
ObjectId dictId = obj.ExtensionDictionary; //获取对象的扩展字典的id
Entity ent1 = tr.GetObject(id, OpenMode.ForRead) as Entity;
if (ent1 is Polyline && !dictId.IsNull)
{
DBDictionary dict = dictId.GetObject(OpenMode.ForRead) as DBDictionary;//获取对象的扩展字典
if (!dict.Contains("polylineNumber"))
{
continue;//如果扩展字典中没有包含指定关键 字的扩展记录，则返回null；
}
//先要获取对象的扩展字典或图形中的有名对象字典，然后才能在字典中获取要查询的扩展记录
ObjectId xrecordId = dict.GetAt("polylineNumber"); //获取扩展记录对象的id
Xrecord xrecord = xrecordId.GetObject(OpenMode.ForRead) as Xrecord; //根据id获取扩展记录对象
ResultBuffer resBuf = xrecord.Data;
ResultBufferEnumerator rator = resBuf.GetEnumerator();
int i = 0;
List <string> values = new List <string>();
while (rator.MoveNext())
{
TypedValue re = rator.Current;
values.Add((string)re.Value);
}
bool hasData = false;
foreach (System.Data.DataRow item in table.Rows)
{
if ((string)item["个体编码"] == values[0] && (string)item["个体要素"] == values[1] && (string)item["个体名称"] == values[2] && (string)item["个体阶段"] == values[3])
{
item["多段线id"] += id.Handle.Value.ToString() + ",";
int count = 0;
int.TryParse((string)item["数量"], out count);
item["数量"] = count + 1;
hasData = true;
break;
}
}
if (!hasData)
{
row = table.NewRow();
row["多段线id"] = id.Handle.Value.ToString() + ",";
row["数量"] = 1;
while (rator.MoveNext())
{
TypedValue re = rator.Current;
if (i == 0)
{
row["个体编码"] = re.Value;
}
if (i == 1)
{
row["个体要素"] = re.Value;
}
if (i == 2)
{
row["个体名称"] = re.Value;
}
if (i == 3)
{
row["个体阶段"] = re.Value;
}
i++;
}
table.Rows.Add(row);
}
resBuf.Dispose();
xrecord.Dispose();
dict.Dispose();
}
ent1.Dispose();
obj.Dispose();
}
}
layer.Dispose();
}
tr.Commit();
}
}
catch (Exception e)
{
System.Windows.Forms.MessageBox.Show(e.ToString());
}
finally
{
m_DocumentLock.Dispose();
}
return(table);
}