/// <summary>
/// 加载网络数据集
/// </summary>
public void LoadNetWorkDataSet()
{
Core.Generic.myXML xml = new Core.Generic.myXML(System.Windows.Forms.Application.StartupPath + "\\Setting.xml");
pMapDcument = new MapDocumentClass();
try
{
string NetWorkData = xml.GetElement("MapDocument", "RoadNetData");
//将数据载入pMapDocument并与map控件联系起来
NetWorkData = System.Windows.Forms.Application.StartupPath + NetWorkData;
pMapDcument.Open(NetWorkData, "");
int i;
for (i = 0; i <= pMapDcument.MapCount - 1; i++)
{
//一个IMapDocument对象中可能有多个Map对象，遍历每个map对象
mapControl.Map = pMapDcument.get_Map(i);
}
mapControl.Refresh();
}
catch (Exception ex)
{
throw (ex);
}
finally
{
xml = null;
}
}
private void cmdReset_Click(object sender, System.EventArgs e)
{
//Get rid of the line and points collection
m_Polyline = null;
m_PointCollection = null;
//Refresh the foreground thereby removing any text annotation
axMapControl1.Refresh(esriViewDrawPhase.esriViewForeground, Type.Missing, Type.Missing);
}
private void cmdLoad_Click(object sender, System.EventArgs e)
{
//Open a file dialog for selecting map documents
openFileDialog1.Title = "Browse Map Document";
openFileDialog1.Filter = "Map Documents (*.mxd)|*.mxd";
openFileDialog1.ShowDialog();
//Exit if no map document is selected
string filePath = openFileDialog1.FileName;
if (filePath == "")
{
return;
}
//If valid map document
if (axPageLayoutControl1.CheckMxFile(filePath))
{
//Set mouse pointers
axPageLayoutControl1.MousePointer = esriControlsMousePointer.esriPointerHourglass;
axMapControl1.MousePointer = esriControlsMousePointer.esriPointerHourglass;
//Reset controls
axMapControl1.ActiveView.Clear();
axMapControl1.ActiveView.GraphicsContainer.DeleteAllElements();
axMapControl1.Refresh();
cboMaps.Items.Clear();
txbPath.Text = filePath;
//Load map document
axPageLayoutControl1.LoadMxFile(filePath, Type.Missing);
//Set mouse pointers
axPageLayoutControl1.MousePointer = esriControlsMousePointer.esriPointerDefault;
axMapControl1.MousePointer = esriControlsMousePointer.esriPointerDefault;
}
else
{
MessageBox.Show(filePath + " is not a valid ArcMap document");
return;
}
}