private void btnLoad_Click(object sender, RoutedEventArgs e)
{
byte[] bytes;
StockChartX.SerializationTypeEnum serType =
(StockChartX.SerializationTypeEnum)System.Enum.Parse(typeof(StockChartX.SerializationTypeEnum),
cmbSerType.SelectionBoxItem.ToString(), true);
OpenFileDialog ofd = new OpenFileDialog();
switch (serType)
{
case StockChartX.SerializationTypeEnum.All:
ofd.Filter = "StockChartX file (*.scx)|*.scx";
break;
case StockChartX.SerializationTypeEnum.General:
ofd.Filter = "General Template file (*.scg)|*.scg";
break;
case StockChartX.SerializationTypeEnum.Objects:
ofd.Filter = "Object template file (*.sco)|*.sco";
break;
}
if (ofd.ShowDialog() == false)
{
return;
}
if (serType == StockChartX.SerializationTypeEnum.All)
{
_stockChartX.ClearAll();//we must clear the chart when loading ALL
_stockChartX.Update();
}
using (Stream stream = ofd.File.OpenRead())
{
bytes = new byte[stream.Length];
stream.Read(bytes, 0, bytes.Length);
int res = _stockChartX.LoadFile(bytes, serType);
if (res == 0)
{
int count = _stockChartX.RecordCount;
int maxBarCount = Math.Min(500, count);
int endIndex = count - (int)(maxBarCount * 0.25);
int startIndex = count - maxBarCount;
_stockChartX.FirstVisibleRecord = startIndex;
_stockChartX.LastVisibleRecord = endIndex;
_stockChartX.Update();
MessageBox.Show("Chart succesfully deserialized.");
}
else
{
MessageBox.Show("Could not deserialize the data. Error " + res);
}
}
}
private void btnSave_Click(object sender, RoutedEventArgs e)
{
StockChartX.SerializationTypeEnum serType =
(StockChartX.SerializationTypeEnum)System.Enum.Parse(typeof(StockChartX.SerializationTypeEnum),
cmbSerType.SelectionBoxItem.ToString(), true);
SaveFileDialog sfd = new SaveFileDialog();
switch (serType)
{
case StockChartX.SerializationTypeEnum.All:
sfd.Filter = "StockChartX file (*.scx)|*.scx";
sfd.DefaultExt = "*.scx";
break;
case StockChartX.SerializationTypeEnum.General:
sfd.Filter = "General Template file (*.scg)|*.scg";
sfd.DefaultExt = "*scg";
break;
case StockChartX.SerializationTypeEnum.Objects:
sfd.Filter = "Object template file (*.sco)|*.sco";
sfd.DefaultExt = "*.sco";
break;
}
if (sfd.ShowDialog() == false)
{
return;
}
byte[] bytes = _stockChartX.SaveFile(serType);
using (Stream stream = sfd.OpenFile())
{
stream.Write(bytes, 0, bytes.Length);
stream.Close();
}
MessageBox.Show("Chart saved. Bytes Count: " + bytes.Length);
}