private void deleteFeatureClassToolStripMenuItem_Click(object sender, EventArgs e)
{
IDataSource ds = null;
IFeatureDataSet dset = null;
try
{
myTreeNode node = (myTreeNode)selectNode.Parent.Parent;
IConnectionInfo ci = node.con;
ds = dsFactory.OpenDataSource(ci);
dset = ds.OpenFeatureDataset(selectNode.Parent.Text);
if (MessageBox.Show("该操作无法恢复，请确定是否删除要素类？", "提示", MessageBoxButtons.OKCancel, MessageBoxIcon.Warning) == DialogResult.OK)
{
String fcname = selectNode.Text;
if (dset.DeleteByName(fcname))
{
selectNode.Parent.Nodes.Remove(selectNode);
}
else
{
MessageBox.Show("删除失败");
}
}
}
catch (COMException comEx)
{
System.Diagnostics.Trace.WriteLine(comEx.Message);
}
catch (System.Exception ex)
{
if (ex.Source == "物理数据源不存在")
{
this.treeView1.Nodes.Remove(selectNode.Parent.Parent);
MessageBox.Show(ex.Source);
}
else
{
MessageBox.Show("删除失败");
}
System.Diagnostics.Trace.WriteLine(ex.Message);
}
finally
{
if (dset != null)
{
//Marshal.ReleaseComObject(dset);
dset = null;
}
if (ds != null)
{
//Marshal.ReleaseComObject(ds);
ds = null;
}
}
}
private void deleteDataSetToolStripMenuItem_Click(object sender, EventArgs e)
{
IDataSource ds = null;
IFeatureDataSet dset = null;
try
{
if (MessageBox.Show("该操作无法恢复，请确定是否删除数据集？", "提示信息", MessageBoxButtons.OKCancel, MessageBoxIcon.Warning) == DialogResult.OK)
{
myTreeNode node = (myTreeNode)selectNode.Parent;
IConnectionInfo ci = node.con;
ds = dsFactory.OpenDataSource(ci);
dset = ds.OpenFeatureDataset(selectNode.Text);
Array tem = dset.GetNamesByType(gviDataSetType.gviDataSetFeatureClassTable);
if (tem != null)
{
foreach (String strFC in tem)
{
IFeatureClass fc = dset.OpenFeatureClass(strFC);
dset.DeleteByName(strFC);
//Marshal.ReleaseComObject(fc);
fc = null;
}
}
ds.DeleteFeatureDataset(selectNode.Text);
// 从普通表里删除dataset对应的记录
DeleteLogicTree(ds, selectNode.Text);
// 从树上删节点
node.Nodes.Remove(selectNode);
}
}
catch (COMException ex)
{
System.Diagnostics.Trace.WriteLine(ex.Message);
}
finally
{
if (ds != null)
{
//Marshal.ReleaseComObject(ds);
ds = null;
}
if (dset != null)
{
//Marshal.ReleaseComObject(dset);
dset = null;
}
}
}
private bool DeleteFeatureClass(string dataSetName, string fcName)
{
try
{
IFeatureDataSet fds = this._dsPipe.OpenFeatureDataset(dataSetName);
if (fds == null)
{
return(false);
}
return(fds.DeleteByName(fcName));
}
catch (Exception ex)
{
return(false);
}
}
private void SyncTopoInfo()
{
try
{
IFeatureDataSet fds = this._dsPipe.OpenFeatureDataset("DataSet_BIZ");
if (fds == null)
{
return;
}
List <TopoClass> allTC = GetAllTopoClasses();
if (allTC == null || allTC.Count == 0)
{
return;
}
#region 检查删除管线库中的拓扑信息表，有就不删，没有就删除
WaitForm.SetCaption("检查管线库中的拓扑信息表...");
string[] namesByType = fds.GetNamesByType(gviDataSetType.gviDataSetFeatureClassTable);
if (namesByType == null)
{
return;
}
foreach (string str in namesByType)
{
if (str.ToUpper().IndexOf("TOPO_OC_") == 0)
{
bool flag = true;
if ((allTC == null) || (allTC.Count == 0))
{
flag = true;
}
else
{
foreach (TopoClass tc in allTC)
{
if (tc.TopoTable == str)
{
flag = false;
break;
}
}
}
if (flag)
{
fds.DeleteByName(str);
}
}
}
#endregion
#region 创建拓扑信息表
WaitForm.SetCaption("创建管线库中的拓扑信息表...");
foreach (TopoClass tc in allTC)
{
string topoTableName = tc.TopoTable;
if (Array.IndexOf <string>(namesByType, topoTableName) == -1)
{
string[] arrDBIndex = null;
IFeatureClass fc = fds.CreateFeatureClass(topoTableName, GetTopoInfoFields(out arrDBIndex));
if (fc != null)
{
fc.AliasName = tc.Name + "拓扑信息表";
}
}
}
#endregion
}
catch (Exception ex)
{
XtraMessageBox.Show("同步管线库中的拓扑信息表失败！", "提示");
}
}