/// <summary>
/// Gets a field value as an integer.
/// </summary>
/// <param name="field">Specifies the field to retrieve.</param>
/// <returns>Integer value of the field, or null if the field is null.</returns>
/// <exception cref="ArgumentOutOfRangeException">The field is less than 0 or greater than the
/// number of fields in the Record.</exception>
/// <remarks><p>
/// Win32 MSI API:
/// <a href="http://msdn.microsoft.com/library/en-us/msi/setup/msirecordgetinteger.asp">MsiRecordGetInteger</a>
/// </p></remarks>
/// <seealso cref="GetInteger(int)"/>
public int?GetNullableInteger(int field)
{
this.CheckRange(field);
int value = RemotableNativeMethods.MsiRecordGetInteger((int)this.Handle, (uint)field);
if (value == Int32.MinValue) // MSI_NULL_INTEGER
{
return(null);
}
return(value);
}