private DefaultBrowser(String exePath, IconIdentifierType iconIdentifierType, Int32?identifier, String iconFile)
{
this.ExePath = exePath;
this.IconIdentifierType = iconIdentifierType;
this.Identifier = identifier;
this.IconFile = iconFile;
}
public IconResourceBag(Int32 identifier, IconIdentifierType identifierType, [NotNull] Icon icon)
{
if (icon == null)
{
throw new ArgumentNullException(nameof(icon));
}
this.Identifier = identifier;
this.Icon = icon;
this.IdentifierType = identifierType;
}
public static String RetrieveAssociatedIcon([NotNull] String extensionOrFileOrProtocol, [CanBeNull] out Int32?identifier, out IconIdentifierType identifierType)
{
if (String.IsNullOrWhiteSpace(extensionOrFileOrProtocol))
{
throw new ArgumentNullException(nameof(extensionOrFileOrProtocol));
}
identifier = null;
identifierType = IconIdentifierType.Unknown;
// Special case: The result buffer contains "%1". We treat this case like: "oh hey, your supplied file path is already the file containing the icon!".
var result = SafeNativeMethods.AssocQueryString(extensionOrFileOrProtocol, NativeMethods.ASSOCSTR.ASSOCSTR_DEFAULTICON);
if (result == "%1")
{
return(String.Empty);
}
if (result.IndexOf(',') == -1)
{
identifier = 0;
identifierType = IconIdentifierType.Index;
return(result);
}
Int32 extractedIdentifier;
var file = NativeResourceDescriptor.SplitResourceString(result, out extractedIdentifier);
identifier = extractedIdentifier;
identifierType = IconIdentifier.Identify(extractedIdentifier);
return(file);
}
