private void GetPriceRecord( MSFL.MSFLSecurityInfo msflSecurityInfo )
{
IntPtr hSecurity = msflSecurityInfo.hSecurity;
int iErr = MSFL.MSFL1_LockSecurity( hSecurity, MSFL.MSFL_LOCK_PREV_WRITE_LOCK );
if ( iErr != (int)MSFL.MSFL_ERR.MSFL_NO_ERR )
return;
ushort wPriceRecCount = 0;
iErr = MSFL.MSFL1_GetDataRecordCount( hSecurity, ref wPriceRecCount );
if ( iErr != (int)MSFL.MSFL_ERR.MSFL_NO_ERR )
return;
if ( wPriceRecCount > 0 )
{
iErr = MSFL.MSFL1_SeekBeginData( hSecurity );
if ( iErr != (int)MSFL.MSFL_ERR.MSFL_NO_ERR )
return;
MSFL.DateTime sDateTime = new MSFL.DateTime();
m_PriceRecordArray = new MSFL.MSFLPriceRecord[wPriceRecCount];
iErr = MSFL.MSFL2_ReadMultipleRecs( hSecurity, m_PriceRecordArray, ref sDateTime, ref wPriceRecCount, (int)MSFL.MSFL_FIND.MSFL_FIND_USE_CURRENT_POS );
if ( iErr != (int)MSFL.MSFL_ERR.MSFL_NO_ERR )
return;
// Unlock the security (we're done using it)
iErr = MSFL.MSFL1_UnlockSecurity( hSecurity );
}
}
public static bool TryLoadMsflPriceInfo( string stockName, string stockSymbol, string strFilePath, out MSFL.MSFLPriceRecord[] msflPriceRecordArray )
{
msflPriceRecordArray = new MSFL.MSFLPriceRecord[0];
string strStockCode = GetStockCode( stockName, stockSymbol );
if ( s_PriceDictionary.TryGetValue( strStockCode, out msflPriceRecordArray ) == true )
return true;
if ( Directory.Exists( strFilePath ) == false )
return false;
byte dirNumber = 0;
int iErr = MSFL.MSFL1_OpenDirectory( strFilePath, ref dirNumber, MSFL.MSFL_DIR_FORCE_USER_IN );
if ( iErr != (int)MSFL.MSFL_ERR.MSFL_NO_ERR )
return false;
MSFL.MSFLDirectoryStatus msflDirectoryStatus = new MSFL.MSFLDirectoryStatus();
msflDirectoryStatus.dwTotalSize = (uint)Marshal.SizeOf( msflDirectoryStatus );
iErr = MSFL.MSFL1_GetDirectoryStatus( dirNumber, string.Empty, ref msflDirectoryStatus );
if ( iErr != (int)MSFL.MSFL_ERR.MSFL_NO_ERR )
return false;
if ( msflDirectoryStatus.bExists == false || msflDirectoryStatus.bOpen == false || msflDirectoryStatus.bMetaStockDir == false )
return false;
MSFL.MSFLSecurityInfo msflSecurityInfo = new MSFL.MSFLSecurityInfo();
msflSecurityInfo.dwTotalSize = (uint)Marshal.SizeOf( msflSecurityInfo );
iErr = MSFL.MSFL1_GetFirstSecurityInfo( dirNumber, ref msflSecurityInfo );
while ( iErr == (int)MSFL.MSFL_ERR.MSFL_NO_ERR || iErr == (int)MSFL.MSFL_Messages.MSFL_MSG_LAST_SECURITY_IN_DIR )
{
if ( msflSecurityInfo.szName == stockName && msflSecurityInfo.szSymbol == stockSymbol )
{
iErr = MSFL.MSFL1_LockSecurity( msflSecurityInfo.hSecurity, MSFL.MSFL_LOCK_PREV_WRITE_LOCK );
if ( iErr != (int)MSFL.MSFL_ERR.MSFL_NO_ERR )
break;
ushort wPriceRecCount = 0;
iErr = MSFL.MSFL1_GetDataRecordCount( msflSecurityInfo.hSecurity, ref wPriceRecCount );
if ( iErr != (int)MSFL.MSFL_ERR.MSFL_NO_ERR )
break;
if ( wPriceRecCount > 0 )
{
iErr = MSFL.MSFL1_SeekBeginData( msflSecurityInfo.hSecurity );
if ( iErr != (int)MSFL.MSFL_ERR.MSFL_NO_ERR )
break;
MSFL.DateTime sDateTime = new MSFL.DateTime();
msflPriceRecordArray = new MSFL.MSFLPriceRecord[wPriceRecCount];
iErr = MSFL.MSFL2_ReadMultipleRecs( msflSecurityInfo.hSecurity, msflPriceRecordArray, ref sDateTime, ref wPriceRecCount, (int)MSFL.MSFL_FIND.MSFL_FIND_USE_CURRENT_POS );
if ( iErr != (int)MSFL.MSFL_ERR.MSFL_NO_ERR )
break;
// Unlock the security (we're done using it)
iErr = MSFL.MSFL1_UnlockSecurity( msflSecurityInfo.hSecurity );
iErr = MSFL.MSFL1_CloseDirectory( dirNumber );
s_PriceDictionary.Add( strStockCode, msflPriceRecordArray );
return true;
}
break;
}
if ( iErr == (int)MSFL.MSFL_Messages.MSFL_MSG_LAST_SECURITY_IN_DIR )
break;
iErr = MSFL.MSFL1_GetNextSecurityInfo( msflSecurityInfo.hSecurity, ref msflSecurityInfo );
}
MSFL.MSFL1_CloseDirectory( dirNumber );
return false;
}
private void ListViewSecurity_SelectedIndexChanged( object sender, EventArgs e )
{
Point cursorPoint = this.ListViewSecurity.PointToClient( Cursor.Position );
ListViewItem listViewItem = this.ListViewSecurity.GetItemAt( cursorPoint.X, cursorPoint.Y );
if ( listViewItem == null )
return;
else
{
this.ListViewPrice.VirtualListSize = 0;
this.ListViewPrice.Items.Clear();
}
IntPtr hSecurity = IntPtr.Zero;
if ( m_SecurityDictionary.TryGetValue( listViewItem, out hSecurity ) == false )
return;
int iErr = MSFL.MSFL1_LockSecurity( hSecurity, MSFL.MSFL_LOCK_PREV_WRITE_LOCK );
if ( iErr != (int)MSFL.MSFL_ERR.MSFL_NO_ERR )
return;
ushort wPriceRecCount = 0;
iErr = MSFL.MSFL1_GetDataRecordCount( hSecurity, ref wPriceRecCount );
if ( iErr != (int)MSFL.MSFL_ERR.MSFL_NO_ERR )
return;
if ( wPriceRecCount > 0 )
{
iErr = MSFL.MSFL1_SeekBeginData( hSecurity );
if ( iErr != (int)MSFL.MSFL_ERR.MSFL_NO_ERR )
return;
MSFL.DateTime sDateTime = new MSFL.DateTime();
MSFL.MSFLPriceRecord[] pPriceRec = new MSFL.MSFLPriceRecord[wPriceRecCount];
iErr = MSFL.MSFL2_ReadMultipleRecs( hSecurity, pPriceRec, ref sDateTime, ref wPriceRecCount, (int)MSFL.MSFL_FIND.MSFL_FIND_USE_CURRENT_POS );
if ( iErr != (int)MSFL.MSFL_ERR.MSFL_NO_ERR )
return;
// Unlock the security (we're done using it)
iErr = MSFL.MSFL1_UnlockSecurity( hSecurity );
// numbers for summing price info
float fOpenSum = 0.0f, fHighSum = 0.0f, fLowSum = 0.0f, fCloseSum = 0.0f, fVolumeSum = 0.0f, fOpenIntSum = 0.0f;
List<ListViewItem> listViewItemList = new List<ListViewItem>( 2048 );
StringBuilder szBuf = new StringBuilder( MSFL.MSFL_MAX_NAME_LENGTH + 1 );
for ( int iIndex = 0; iIndex < pPriceRec.Length; iIndex++ )
{
MSFL.MSFLPriceRecord msflPriceRecord = pPriceRec[iIndex];
listViewItem = new ListViewItem();
if ( ( msflPriceRecord.wDataAvailable & MSFL.MSFL_DATA_DATE ) == MSFL.MSFL_DATA_DATE )
{
MSFL.MSFL1_FormatDate( szBuf, (ushort)szBuf.Capacity, msflPriceRecord.lDate );
listViewItem.Text = szBuf.ToString();
}
else
listViewItem.Text = "N/A";
ListViewItem.ListViewSubItem subListViewItem1 = new ListViewItem.ListViewSubItem();
if ( ( msflPriceRecord.wDataAvailable & MSFL.MSFL_DATA_TIME ) == MSFL.MSFL_DATA_TIME )
{
MSFL.MSFL1_FormatTime( szBuf, (ushort)szBuf.Capacity, msflPriceRecord.lTime, true );
subListViewItem1.Text = szBuf.ToString();
}
else
subListViewItem1.Text = "N/A";
ListViewItem.ListViewSubItem subListViewItem2 = new ListViewItem.ListViewSubItem();
if ( ( msflPriceRecord.wDataAvailable & MSFL.MSFL_DATA_OPEN ) == MSFL.MSFL_DATA_OPEN )
{
fOpenSum += msflPriceRecord.fOpen;
subListViewItem2.Text = msflPriceRecord.fOpen.ToString( "0.00", CultureInfo.InvariantCulture );
}
else
subListViewItem2.Text = "N/A";
ListViewItem.ListViewSubItem subListViewItem3 = new ListViewItem.ListViewSubItem();
if ( ( msflPriceRecord.wDataAvailable & MSFL.MSFL_DATA_HIGH ) == MSFL.MSFL_DATA_HIGH )
{
fHighSum += msflPriceRecord.fHigh;
subListViewItem3.Text = msflPriceRecord.fHigh.ToString( "0.00", CultureInfo.InvariantCulture );
}
else
subListViewItem3.Text = "N/A";
ListViewItem.ListViewSubItem subListViewItem4 = new ListViewItem.ListViewSubItem();
if ( ( msflPriceRecord.wDataAvailable & MSFL.MSFL_DATA_LOW ) == MSFL.MSFL_DATA_LOW )
{
fLowSum += msflPriceRecord.fLow;
subListViewItem4.Text = msflPriceRecord.fLow.ToString( "0.00", CultureInfo.InvariantCulture );
}
else
subListViewItem4.Text = "N/A";
ListViewItem.ListViewSubItem subListViewItem5 = new ListViewItem.ListViewSubItem();
if ( ( msflPriceRecord.wDataAvailable & MSFL.MSFL_DATA_CLOSE ) == MSFL.MSFL_DATA_CLOSE )
{
fCloseSum += msflPriceRecord.fClose;
subListViewItem5.Text = msflPriceRecord.fClose.ToString( "0.00", CultureInfo.InvariantCulture );
}
else
subListViewItem5.Text = "N/A";
ListViewItem.ListViewSubItem subListViewItem6 = new ListViewItem.ListViewSubItem();
if ( ( msflPriceRecord.wDataAvailable & MSFL.MSFL_DATA_VOLUME ) == MSFL.MSFL_DATA_VOLUME )
{
fVolumeSum += msflPriceRecord.fVolume;
subListViewItem6.Text = msflPriceRecord.fVolume.ToString( "0.", CultureInfo.InvariantCulture );
}
else
subListViewItem6.Text = "N/A";
ListViewItem.ListViewSubItem subListViewItem7 = new ListViewItem.ListViewSubItem();
if ( ( msflPriceRecord.wDataAvailable & MSFL.MSFL_DATA_OPENINT ) == MSFL.MSFL_DATA_OPENINT )
{
fOpenIntSum += msflPriceRecord.fOpenInt;
subListViewItem7.Text = msflPriceRecord.fOpenInt.ToString( "0.00", CultureInfo.InvariantCulture );
}
else
subListViewItem7.Text = "N/A";
listViewItem.SubItems.Add( subListViewItem1 );
listViewItem.SubItems.Add( subListViewItem2 );
listViewItem.SubItems.Add( subListViewItem3 );
listViewItem.SubItems.Add( subListViewItem4 );
listViewItem.SubItems.Add( subListViewItem5 );
listViewItem.SubItems.Add( subListViewItem6 );
listViewItem.SubItems.Add( subListViewItem7 );
//this.ListViewPrice.Items.Add( listViewItem );
listViewItemList.Add( listViewItem );
}
m_PriceArray = listViewItemList.ToArray();
this.ListViewPrice.VirtualListSize = m_PriceArray.Length;
}
}
public static bool TryLoadMsflPriceInfo(string stockName, string stockSymbol, string strFilePath, out MSFL.MSFLPriceRecord[] msflPriceRecordArray)
{
msflPriceRecordArray = new MSFL.MSFLPriceRecord[0];
string strStockCode = GetStockCode(stockName, stockSymbol);
if (s_PriceDictionary.TryGetValue(strStockCode, out msflPriceRecordArray) == true)
{
return(true);
}
if (Directory.Exists(strFilePath) == false)
{
return(false);
}
byte dirNumber = 0;
int iErr = MSFL.MSFL1_OpenDirectory(strFilePath, ref dirNumber, MSFL.MSFL_DIR_FORCE_USER_IN);
if (iErr != (int)MSFL.MSFL_ERR.MSFL_NO_ERR)
{
return(false);
}
MSFL.MSFLDirectoryStatus msflDirectoryStatus = new MSFL.MSFLDirectoryStatus();
msflDirectoryStatus.dwTotalSize = (uint)Marshal.SizeOf(msflDirectoryStatus);
iErr = MSFL.MSFL1_GetDirectoryStatus(dirNumber, string.Empty, ref msflDirectoryStatus);
if (iErr != (int)MSFL.MSFL_ERR.MSFL_NO_ERR)
{
return(false);
}
if (msflDirectoryStatus.bExists == false || msflDirectoryStatus.bOpen == false || msflDirectoryStatus.bMetaStockDir == false)
{
return(false);
}
MSFL.MSFLSecurityInfo msflSecurityInfo = new MSFL.MSFLSecurityInfo();
msflSecurityInfo.dwTotalSize = (uint)Marshal.SizeOf(msflSecurityInfo);
iErr = MSFL.MSFL1_GetFirstSecurityInfo(dirNumber, ref msflSecurityInfo);
while (iErr == (int)MSFL.MSFL_ERR.MSFL_NO_ERR || iErr == (int)MSFL.MSFL_Messages.MSFL_MSG_LAST_SECURITY_IN_DIR)
{
if (msflSecurityInfo.szName == stockName && msflSecurityInfo.szSymbol == stockSymbol)
{
iErr = MSFL.MSFL1_LockSecurity(msflSecurityInfo.hSecurity, MSFL.MSFL_LOCK_PREV_WRITE_LOCK);
if (iErr != (int)MSFL.MSFL_ERR.MSFL_NO_ERR)
{
break;
}
ushort wPriceRecCount = 0;
iErr = MSFL.MSFL1_GetDataRecordCount(msflSecurityInfo.hSecurity, ref wPriceRecCount);
if (iErr != (int)MSFL.MSFL_ERR.MSFL_NO_ERR)
{
break;
}
if (wPriceRecCount > 0)
{
iErr = MSFL.MSFL1_SeekBeginData(msflSecurityInfo.hSecurity);
if (iErr != (int)MSFL.MSFL_ERR.MSFL_NO_ERR)
{
break;
}
MSFL.DateTime sDateTime = new MSFL.DateTime();
msflPriceRecordArray = new MSFL.MSFLPriceRecord[wPriceRecCount];
iErr = MSFL.MSFL2_ReadMultipleRecs(msflSecurityInfo.hSecurity, msflPriceRecordArray, ref sDateTime, ref wPriceRecCount, (int)MSFL.MSFL_FIND.MSFL_FIND_USE_CURRENT_POS);
if (iErr != (int)MSFL.MSFL_ERR.MSFL_NO_ERR)
{
break;
}
// Unlock the security (we're done using it)
iErr = MSFL.MSFL1_UnlockSecurity(msflSecurityInfo.hSecurity);
iErr = MSFL.MSFL1_CloseDirectory(dirNumber);
s_PriceDictionary.Add(strStockCode, msflPriceRecordArray);
return(true);
}
break;
}
if (iErr == (int)MSFL.MSFL_Messages.MSFL_MSG_LAST_SECURITY_IN_DIR)
{
break;
}
iErr = MSFL.MSFL1_GetNextSecurityInfo(msflSecurityInfo.hSecurity, ref msflSecurityInfo);
}
MSFL.MSFL1_CloseDirectory(dirNumber);
return(false);
}
