public static async Task <List <StorageFolder> > Folder(Dialog_T FolderDialogType, List <string> Extensions = null)
{
List <StorageFolder> SelectedFolders = new List <StorageFolder>();
FolderPicker folderPicker = new FolderPicker
{
SuggestedStartLocation = PickerLocationId.ComputerFolder,
ViewMode = PickerViewMode.Thumbnail,
};
if (Extensions != null)
{
foreach (string extension in Extensions)
{
folderPicker.FileTypeFilter.Add(extension);
}
}
StorageFolder RootFolder = await folderPicker.PickSingleFolderAsync();
switch (FolderDialogType)
{
case Dialog_T.SINGLE_DIRECTORY:
SelectedFolders.Add(RootFolder);
return(SelectedFolders);
case Dialog_T.MULTI_DIRECTORY:
foreach (StorageFolder folder in await RootFolder.GetFoldersAsync())
{
SelectedFolders.Add(folder);
}
return(SelectedFolders);
default:
return(SelectedFolders);
}
}
public static async Task <List <StorageFile> > File(Dialog_T FileDialogType, FileAction_T FileActionType, Dictionary <string, List <string> > Extensions = null)
{
List <StorageFile> SelectedFiles = new List <StorageFile>();
if (FileActionType == FileAction_T.OPEN)
{
FileOpenPicker filePicker = new FileOpenPicker
{
SuggestedStartLocation = PickerLocationId.ComputerFolder,
ViewMode = PickerViewMode.Thumbnail,
};
if (Extensions != null)
{
foreach (List <string> ExtensionList in Extensions.Values)
{
foreach (string Extension in ExtensionList)
{
filePicker.FileTypeFilter.Add(Extension);
}
}
}
switch (FileDialogType)
{
case Dialog_T.SINGLE_FILE:
SelectedFiles.Add(await filePicker.PickSingleFileAsync());
return(SelectedFiles);
case Dialog_T.MULTI_FILE:
foreach (StorageFile file in await filePicker.PickMultipleFilesAsync())
{
SelectedFiles.Add(file);
}
return(SelectedFiles);
default:
return(SelectedFiles);
}
}
else
{
FileSavePicker filePicker = new FileSavePicker
{
SuggestedStartLocation = PickerLocationId.ComputerFolder
};
if (Extensions != null)
{
filePicker.DefaultFileExtension = Extensions.First().Value.First();
foreach (KeyValuePair <string, List <string> > Extension in Extensions)
{
filePicker.FileTypeChoices.Add(Extension.Key, Extension.Value);
}
filePicker.SuggestedFileName = Assembly.GetExecutingAssembly().GetName().Name + "_File_" + DateTime.Now.ToString("M-d-y");
}
switch (FileDialogType)
{
case Dialog_T.SINGLE_FILE:
SelectedFiles.Add(await filePicker.PickSaveFileAsync());
return(SelectedFiles);
default:
return(SelectedFiles);
}
}
}
