private void ClearCommandAction(object parameter)
{
ErrorMessage = "";
File = null;
CurrentFile = null;
Files.Clear();
FilesExt.Clear();
}
private async void FileOpenCommandAction(object parameter)
{
ErrorMessage = "";
var openPicker = new FileOpenPicker {
ViewMode = PickerViewMode.Thumbnail
};
switch (FileType)
{
case FileType.Audio:
openPicker.SuggestedStartLocation = PickerLocationId.MusicLibrary;
foreach (string extension in _audioExtensions)
{
openPicker.FileTypeFilter.Add(extension);
}
break;
case FileType.Video:
openPicker.SuggestedStartLocation = PickerLocationId.VideosLibrary;
foreach (string extension in _videoExtensions)
{
openPicker.FileTypeFilter.Add(extension);
}
break;
case FileType.Picture:
openPicker.SuggestedStartLocation = PickerLocationId.PicturesLibrary;
foreach (string extension in _pictureExtensions)
{
openPicker.FileTypeFilter.Add(extension);
}
break;
default:
openPicker.SuggestedStartLocation = PickerLocationId.DocumentsLibrary;
foreach (string extension in _allExtensions)
{
openPicker.FileTypeFilter.Add(extension);
}
break;
}
if (SelectMultipleFiles)
{
IEnumerable <StorageFile> files = await openPicker.PickMultipleFilesAsync();
if (await CheckSize(null, files))
{
foreach (StorageFile file in files)
{
Files.Add(file);
FilesExt.Add(new FilePreview(file, RemoveCommand));
}
if (Files.Count > 0)
{
CurrentFile = FilesExt[FilesExt.Count - 1];
}
}
else
{
ErrorMessage = ResourcesHelper.GetString("MmsLimit");
}
}
else
{
StorageFile file = await openPicker.PickSingleFileAsync();
if (file != null)
{
if (await CheckSize(file, null))
{
Files.Clear();
FilesExt.Clear();
Files.Add(file);
FilesExt.Add(new FilePreview(file, RemoveCommand));
CurrentFile = FilesExt[FilesExt.Count - 1];
File = file;
}
else
{
ErrorMessage = ResourcesHelper.GetString("MmsLimit");
}
}
}
}