/// <summary>
/// Returns the display names of all installed Microsoft Visual C++ redistributable packages.
/// </summary>
/// <param name="refresh">
/// true to refresh all names; otherwise, false to get the cached names from previous call.
/// <para>
/// Please note that this parameter is always true if this function has never been called
/// before.
/// </para>
/// </param>
public static string[] GetDisplayNames(bool refresh = false)
{
try
{
if (!refresh && _displayNames != null)
{
return(_displayNames);
}
var comparer = new Comparison.AlphanumericComparer();
var entries = new[]
{
"DisplayName",
"ProductName"
};
var names = Reg.GetSubKeyTree(Registry.LocalMachine, "SOFTWARE\\Classes\\Installer", 3000)
.SelectMany(x => entries, (x, y) => Reg.ReadString(Registry.LocalMachine, x, y))
.Where(x => x.StartsWithEx("Microsoft Visual C++"))
.OrderBy(x => x, comparer);
_displayNames = names.ToArray();
return(_displayNames);
}
catch (Exception ex) when(ex.IsCaught())
{
Log.Write(ex);
return(null);
}
}