private void Main_Load(object sender, EventArgs e)
{
mGen.MarketUpdate += r_MarketUpdate;
mGen.Start();
// data structure will be needed to get access to all of the data within the market.
ds = (ByteDs)BytesToObject(ref dBytes, typeof(ByteDs));
DataGridViewCellStyle hStyle = dataGridView1.ColumnHeadersDefaultCellStyle.Clone();
dataGridView1.ColumnHeadersDefaultCellStyle.BackColor = Color.Red;
foreach (DataGridViewColumn item in dataGridView1.Columns)
{
item.HeaderCell.Style = hStyle;
}
FormClosed += Main_Closed;
}
/* This method binds the date from the byte[] into a datastructure, and updates the
* datagridview accordingly. So, as long as something is stored in the Byte it will run.
* It will also highlight the proper cells, based on change from the previous data stored
* to the current data. If no changes occur, it will unhighlight that data.
*/
private void BindData()
{
ByteDs ds = (ByteDs)BytesToObject(ref dBytes, typeof(ByteDs));
if (ds != null)
{
var dList = new List <ByteDs>()
{
new ByteDs()
{
ID = ds.ID,
TradePrice = ds.TradePrice,
TradeQty = ds.TradeQty,
BidPrice = ds.BidPrice,
BidQty = ds.BidQty,
AskPrice = ds.AskPrice,
AskQty = ds.AskQty
}
};
foreach (var item in dList)
{
Boolean exists = false;
foreach (DataGridViewRow row in dataGridView1.Rows)
{
row.DefaultCellStyle.BackColor = Color.Black;
row.DefaultCellStyle.ForeColor = Color.White;
if (row.Cells["ID"].Value != null && item.ID != null)
{
if (row.Cells["ID"].Value.ToString() == item.ID.ToString())
{
exists = true;
foreach (DataGridViewColumn col in dataGridView1.Columns)
{
var cell = row.Cells[col.Index].Style;
switch (col.Index)
{
case 1:
if (row.Cells[col.Index].Value.ToString() != item.TradePrice.ToString())
{
cell.BackColor = Color.DarkRed;
}
else
{
cell.BackColor = Color.Black;
}
break;
case 2:
if (row.Cells[col.Index].Value.ToString() != item.TradeQty.ToString())
{
cell.BackColor = Color.DarkRed;
}
else
{
cell.BackColor = Color.Black;
}
break;
case 3:
if (row.Cells[col.Index].Value.ToString() != item.BidPrice.ToString())
{
cell.BackColor = Color.DarkRed;
}
else
{
cell.BackColor = Color.Black;
}
break;
case 4:
if (row.Cells[col.Index].Value.ToString() != item.BidQty.ToString())
{
cell.BackColor = Color.DarkRed;
}
else
{
cell.BackColor = Color.Black;
}
break;
case 5:
if (row.Cells[col.Index].Value.ToString() != item.AskPrice.ToString())
{
cell.BackColor = Color.DarkRed;
}
else
{
cell.BackColor = Color.Black;
}
break;
case 6:
if (row.Cells[col.Index].Value.ToString() != item.AskQty.ToString())
{
cell.BackColor = Color.DarkRed;
}
else
{
cell.BackColor = Color.Black;
}
break;
}
}
// Update the row data
row.SetValues(item.ID,
item.TradePrice,
item.TradeQty,
item.BidPrice,
item.BidQty,
item.AskPrice,
item.AskQty);
}
}
}
// if there are no instances of this data, by ID, it will create a new row, and add the
// new values.
if (!exists)
{
dataGridView1.DefaultCellStyle.BackColor = Color.Black;
dataGridView1.DefaultCellStyle.ForeColor = Color.White;
dataGridView1.Rows.Add(item.ID,
item.TradePrice,
item.TradeQty,
item.BidPrice,
item.BidQty,
item.AskPrice,
item.AskQty);
}
}
}
}
