/// <summary>
/// Recursive SetColumns method for data pinning. This populates the buffer and
/// calls the inherited SetColumns method.
/// </summary>
/// <param name="sesid">The session to use.</param>
/// <param name="tableid">
/// The table to set the columns in. An update should be prepared.
/// </param>
/// <param name="columnValues">
/// Column values to set.
/// </param>
/// <param name="nativeColumns">
/// Structures to put the pinned data in.
/// </param>
/// <param name="i">Offset of this object in the array.</param>
/// <returns>An error code.</returns>
internal override unsafe int SetColumns(JET_SESID sesid, JET_TABLEID tableid, ColumnValue[] columnValues, NATIVE_SETCOLUMN* nativeColumns, int i)
{
if (null != this.Value)
{
fixed (void* buffer = this.Value)
{
return this.SetColumns(
sesid, tableid, columnValues, nativeColumns, i, buffer, checked(this.Value.Length * sizeof(char)), true);
}
}
return this.SetColumns(sesid, tableid, columnValues, nativeColumns, i, null, 0, false);
}
public void Setup()
{
this.managed = new JET_SETCOLUMN
{
cbData = 1,
columnid = new JET_COLUMNID {
Value = 2
},
grbit = SetColumnGrbit.AppendLV,
ibLongValue = 3,
itagSequence = 4,
};
this.native = this.managed.GetNativeSetcolumn();
}
