public override void SetValue(object component, object value)
{
FinancialData trade = (FinancialData)component;
if (null != trade)
{
trade.SetProp(Key, value);
}
OnValueChanged(component, EventArgs.Empty);
}
public override object GetValue(object component)
{
object retVal = null;
FinancialData trade = (FinancialData)component;
if (null != trade)
{
retVal = trade.GetProp(Key);
}
return(retVal);
}
public Window1()
{
InitializeComponent();
// DataTable as source
var dt = new System.Data.DataTable();
dt.Columns.Add("Name", typeof(string));
dt.Columns.Add("Serial", typeof(int));
dt.Columns.Add("Price", typeof(decimal));
dt.Columns.Add("Current", typeof(bool));
var rnd = new Random();
for (int r = 0; r < 100; r++)
{
dt.Rows.Add(
string.Format("item {0}", r),
r,
new decimal(rnd.NextDouble() * 10000 + 1000),
rnd.NextDouble() < 0.8);
}
var dtView = new ListCollectionView(dt.DefaultView);
// CustomTypeDescriptor as source
var fd = FinancialData.GetFinancialData();
var fdView = new ListCollectionView(fd);
// bind c1 grids
_flexDataTable.ItemsSource = dtView;
_flexFinancial.ItemsSource = fdView;
// save main view to customize in event handlers
_mainView = fdView;
_mainView.CollectionChanged += _mainView_CollectionChanged;
// configure search box
_search.View = _mainView;
var ctd = _mainView.CurrentItem as ICustomTypeDescriptor;
foreach (PropertyDescriptor pd in ctd.GetProperties())
{
if (pd.Name == "Symbol" || pd.Name == "Name")
{
_search.FilterProperties.Add(pd);
}
}
// customize group row content
_flexFinancial.GroupHeaderConverter = new SymbolGroupHeaderConverter();
}
// get a default list of financial items
public static FinancialDataList GetFinancialData()
{
var list = new FinancialDataList();
var rnd = new Random(0);
var asm = Assembly.GetExecutingAssembly();
foreach (string resName in asm.GetManifestResourceNames())
{
if (resName.EndsWith("data.zip"))
{
var zip = new C1.C1Zip.C1ZipFile(asm.GetManifestResourceStream(resName));
using (var sr = new StreamReader(zip.Entries["StockSymbols.txt"].OpenReader()))
{
while (!sr.EndOfStream)
{
var sn = sr.ReadLine().Split('\t');
if (sn.Length > 1 && sn[0].Trim().Length > 0)
{
var data = new FinancialData();
data.SetProp("Symbol", sn[0]);
data.SetProp("Name", sn[1]);
data.SetProp("Bid", rnd.Next(1, 1000));
data.SetProp("Ask", (decimal)rnd.NextDouble());
data.SetProp("LastSale", (decimal)rnd.NextDouble());
data.SetProp("BidSize", rnd.Next(10, 500));
data.SetProp("AskSize", rnd.Next(10, 500));
data.SetProp("LastSize", rnd.Next(10, 500));
data.SetProp("Volume", rnd.Next(10000, 20000));
data.SetProp("QuoteTime", DateTime.Now);
data.SetProp("TradeTime", DateTime.Now);
list.Add(data);
FinancialData.BuildPropertyDescriptorCollection(data._propBag, false);
}
}
}
list.AutoUpdate = true;
return(list);
}
}
throw new Exception("Can't find 'data.zip' embedded resource.");
}
