async public Task <object> GetInstanceAsync()
{
if (_class == null)
{
WMSDataset dataset = await WMSDataset.Create(_connectionString, _name);
//dataset.Open(); // kein open, weil sonst ein GET_SERVICE_INFO durchgeführt wird...
switch (ConfigTextStream.ExtractValue(_connectionString, "service").ToUpper())
{
case "WMS":
case "WMS_WFS":
if ((await dataset.Elements()).Count == 0)
{
dataset.Dispose();
return(null);
}
return(_class = (await dataset.Elements()).First().Class as WMSClass);
case "WFS":
return(dataset);
default:
return(null);
}
}
return(_class);
}
public Panel PropertyPage(IDataset dataset, gView.Framework.Data.ILayer layer)
{
if (ShowWith(dataset, layer))
{
_class = (WMSClass)layer.Class;
panel1.Dock = DockStyle.Fill;
BuildGUI();
return(panel1);
}
else
{
return(null);
}
}
public FormWMSCoordinateSystem(WMSClass Class)
{
InitializeComponent();
_class = Class;
if (_class == null || _class.SRSCodes == null)
{
return;
}
string selected = _class.SRSCode;
foreach (string code in _class.SRSCodes)
{
cmbCoordSystem.Items.Add(new Item(code, _class.SRSCodes.Length < 100));
if (code == selected)
{
cmbCoordSystem.SelectedIndex = cmbCoordSystem.Items.Count - 1;
}
}
}
