/// <summary>Converts the value of this instance to the equivalent OLE Automation date.</summary>
/// <param name="dateTime">A DateTime structure.</param>
/// <returns>A double-precision floating-point number that contains an OLE Automation date equivalent to the value of this instance.</returns>
/// <exception cref="T:System.OverflowException">The value of this instance cannot be represented as an OLE Automation Date. </exception>
/// <filterpriority>2</filterpriority>
public static double ToOADate(this DateTime dateTime)
{
return(LibraryHelpers.TicksToOADate(dateTime.Ticks));
}
/// <summary>
/// Get the offset in the cached buffers array to start allocating or freeing
/// buffers to. This is done so that all threads don't start operating on
/// slot zero, which would increase contention.
/// </summary>
/// <returns>The starting offset for Allocate/Free operations.</returns>
private int GetStartingOffset()
{
// Using the current CPU number would be ideal, but there doesn't seem to
// be a cheap way to get that information in managed code.
return(LibraryHelpers.GetCurrentManagedThreadId() % this.cachedBuffers.Length);
}
/// <summary>
/// Free the string memory.
/// </summary>
public void FreeHGlobal()
{
LibraryHelpers.MarshalFreeHGlobal(this.szDatabaseName);
LibraryHelpers.MarshalFreeHGlobal(this.szNewDatabaseName);
}