public static FileAssociations GetAssociations()
{
FileAssociations assocs = new FileAssociations();
///////////////////////////////////////
String[] subkeyNames = Registry.ClassesRoot.GetSubKeyNames();
List <FileExtension> allExtensions = new List <FileExtension>();
Dictionary <String, List <FileExtension> > progIds = new Dictionary <String, List <FileExtension> >();
foreach (String keyName in subkeyNames)
{
if (!keyName.StartsWith(".", StringComparison.Ordinal))
{
continue;
}
RegistryKey key = Registry.ClassesRoot.OpenSubKey(keyName);
FileExtension ext = new FileExtension(assocs, key);
allExtensions.Add(ext);
if (ext.ProgId != null)
{
if (!progIds.ContainsKey(ext.ProgId))
{
progIds.Add(ext.ProgId, new List <FileExtension>());
}
progIds[ext.ProgId].Add(ext);
}
}
///////////////////////////////////////
List <FileType> allTypes = new List <FileType>();
foreach (String keyName in progIds.Keys)
{
RegistryKey key = Registry.ClassesRoot.OpenSubKey(keyName);
if (key == null)
{
continue; // then the extension uses its progid as its display name and that's it
}
FileType type = new FileType(assocs, key);
type.Extensions.AddRange2(progIds[keyName]);
foreach (FileExtension ext in type.Extensions)
{
ext.FileType = type;
}
allTypes.Add(type);
}
assocs._allExts = allExtensions;
assocs._allTypes = allTypes;
assocs.AllExtensions = new ReadOnlyCollection <FileExtension>(assocs._allExts);
assocs.AllTypes = new ReadOnlyCollection <FileType> (assocs._allTypes);
// Array.Sort( assocs.AllExtensions );
// Array.Sort( assocs.AllTypes );
return(assocs);
}
internal FileExtension(FileAssociations assocs, RegistryKey key) : this(assocs) {
LoadFromKey(key);
}
internal FileExtension(FileAssociations assocs, String extension) : this(assocs) {
Extension = extension;
IsDirty = true;
}
private FileExtension(FileAssociations assocs) : base(assocs)
{
OpenWithList = new Collection <String>();
OpenWithProgIds = new Collection <FileType>();
}
internal FileType(FileAssociations assocs, String progId) : this(assocs) {
ProgId = progId;
IsDirty = true;
}
internal FileType(FileAssociations assocs, RegistryKey typeKey) : this(assocs) {
LoadFromKey(typeKey);
}
private FileType(FileAssociations assocs) : base(assocs)
{
Extensions = new Collection <FileExtension>();
ShellVerbs = new Dictionary <String, String>();
}
protected FileBase(FileAssociations assocs)
{
ParentAssocs = assocs;
}
