/// <summary>
/// Determines if the value is null at the specified location.
/// </summary>
/// <param name="field">Index into record of the field to query.</param>
/// <returns>true if the value is null, false otherwise.</returns>
public bool IsNull(int field)
{
int error = MsiInterop.MsiRecordIsNull(this.Handle, field);
switch (error)
{
case 0:
return(false);
case 1:
return(true);
default:
throw new Win32Exception(error);
}
}
