/// <summary>
/// Gets multiple file names for file "Open" operation</summary>
/// <param name="service">File dialog service</param>
/// <param name="pathNames">Resulting file names</param>
/// <param name="filter">File extension filter, e.g., "Setting file (*.xml;*.txt)|*.xml;*.txt|Any (*.*)|*.*"</param>
/// <param name="directory">Directory that the user first sees, or null for default behavior</param>
/// <returns>True iff operation is not cancelled</returns>
public static FileDialogResult OpenFileNames(this IFileDialogService service, ref string[] pathNames, string filter, string directory)
{
string originalDir = service.ForcedInitialDirectory;
try
{
service.ForcedInitialDirectory = directory;
return(service.OpenFileNames(ref pathNames, filter));
}
finally
{
service.ForcedInitialDirectory = originalDir;
}
}