public override void Execute()
{
FileAssociations assoc = FileAssociations.GetAssociations();
Backup(assoc, Package.ExecutionInfo.BackupGroup);
List <String> extsToDeleteOnUninstall = new List <String>();
List <String> progidsToDeleteOnUninstall = new List <String>();
List <String> iconFilesToDeleteOnUninstall = new List <String>();
DirectoryInfo iconsDir = new DirectoryInfo(PackageUtility.ResolvePath(@"%windir%\Resources\Icons"));
if (!iconsDir.Exists)
{
iconsDir.Create();
}
foreach (FileTypeSetting setting in _types)
{
if (!setting.TypeExt.StartsWith(".", StringComparison.Ordinal))
{
Package.Log.Add(LogSeverity.Warning, "Invalid extension, must start with '.': " + setting.TypeExt);
continue;
}
FileType targetType = null;
FileExtension targetExtension = null;
// get the type for this extension
foreach (FileExtension ext in assoc.AllExtensions)
{
if (String.Equals(ext.Extension, setting.TypeExt, StringComparison.OrdinalIgnoreCase))
{
targetExtension = ext;
break;
}
}
if (targetExtension == null)
{
// create type and extension
Package.Log.Add(LogSeverity.Info, "Extension undefined: \"" + setting.TypeExt + "\". Creating FileType and FileExtension");
targetType = assoc.CreateFileType(assoc.GetUnusedProgIdForExtension(setting.TypeExt));
targetType.FriendlyName = setting.FriendlyName;
targetExtension = assoc.CreateFileExtension(setting.TypeExt);
targetExtension.FileType = targetType;
extsToDeleteOnUninstall.Add(targetExtension.Extension);
progidsToDeleteOnUninstall.Add(targetType.ProgId);
}
else
{
targetType = targetExtension.FileType;
if (targetType == null)
{
// create the type
Package.Log.Add(LogSeverity.Info, "Extension defined : \"" + setting.TypeExt + "\", but FileType undefined. Creating FileType");
String newProgid = assoc.GetUnusedProgIdForExtension(setting.TypeExt);
targetType = assoc.CreateFileType(newProgid);
targetType.FriendlyName = setting.FriendlyName;
targetExtension.FileType = targetType;
progidsToDeleteOnUninstall.Add(newProgid);
}
}
////////////////////////
// copy the icon files to %windir%\Resources\Icons
FileInfo iconFile = Package.RootDirectory.GetFile(setting.Icon);
String destinationFileName = P.Combine(iconsDir.FullName, iconFile.Name);
iconFile.CopyTo(destinationFileName, true);
iconFilesToDeleteOnUninstall.Add(destinationFileName);
targetType.DefaultIcon = destinationFileName;
targetType.IsDirty = true;
}
assoc.CommitChanges();
BackupPart2(Package.ExecutionInfo.BackupGroup, progidsToDeleteOnUninstall, extsToDeleteOnUninstall, iconFilesToDeleteOnUninstall);
}
