/// <summary>
/// Extacts the patch metadata as XML.
/// </summary>
/// <param name="path">Path to patch.</param>
/// <returns>String XML.</returns>
public static string ExtractPatchXml(string path)
{
var buffer = new StringBuilder(65535);
var size = buffer.Capacity;
var error = MsiInterop.MsiExtractPatchXMLData(path, 0, buffer, ref size);
if (234 == error)
{
buffer.EnsureCapacity(++size);
error = MsiInterop.MsiExtractPatchXMLData(path, 0, buffer, ref size);
}
if (error != 0)
{
throw new MsiException(error);
}
return(buffer.ToString());
}
