internal bool BindParameter(int i, DBBindings bindings, UnsafeNativeMethods.tagDBPARAMBINDINFO[] bindInfo)
{
ValidateParameter();
int wtype = NativeDBType.wType;
int maxLen = GetParameterByteCount();
NativeDBType dbType = NativeDBType;
if (dbType.islong || (IsParameterVarLength() && (ODB.LargeDataSize < maxLen)))
{
maxLen = IntPtr.Size;
wtype |= NativeDBType.BYREF;
}
byte precision = GetParameterPrecision();
byte scale = GetParameterScale();
bindInfo[i].pwszDataSourceType = NativeDBType.dbString;
bindInfo[i].pwszName = IntPtr.Zero;
bindInfo[i].ulParamSize = new IntPtr(GetParameterSize());
bindInfo[i].dwFlags = GetParameterFlags();
bindInfo[i].bPrecision = precision;
bindInfo[i].bScale = scale;
// tagDBBINDING info for CreateAccessor
bindings.CurrentIndex = i;
bindings.Ordinal = i + 1;
//bindings.ValueOffset = bindings.DataBufferSize; // set via MaxLen
//bindings.LengthOffset = i * sizeof_int64;
//bindings.StatusOffset = i * sizeof_int64 + sizeof_int32;
//bindings.TypeInfoPtr = 0;
//bindings.ObjectPtr = 0;
//bindings.BindExtPtr = 0;
bindings.Part = NativeDBType.dbPart;
//bindings.MemOwner = /*DBMEMOWNER_CLIENTOWNED*/0;
bindings.ParamIO = GetParameterDirection();
bindings.MaxLen = maxLen; // also increments databuffer size
//bindings.Flags = 0;
bindings.DbType = wtype;
bindings.Precision = precision;
bindings.Scale = scale;
#if DEBUG
if (AdapterSwitches.OleDbTrace.TraceVerbose)
{
ODB.Trace_Binding(i, bindings, ParameterName);
}
#endif
return(IsParameterComputed());
}
