IPatchUpgradeFamily : IDispatch
This interface is meant edit upgraded images family properties
String Name - Gets or sets the family name.
String MediaPropertyName - Gets or sets the media property name. A unique Windows Installer property is set whenever this patch is applied. This is useful for conditioning Custom Actions on patch install.
Uint DiskId - Gets or sets the disk id.
Uint FileSequenceStart - Gets or sets the file sequence start.