private async void BtnOpenFile_OnClick(object sender, RoutedEventArgs e)
{
var openPicker = new FileOpenPicker();
openPicker.ViewMode = PickerViewMode.Thumbnail;
openPicker.SuggestedStartLocation = PickerLocationId.DocumentsLibrary;
openPicker.FileTypeFilter.Add(".txt");
var file = await openPicker.PickSingleFileAsync();
if (file != null)
{
var content = await Windows.Storage.FileIO.ReadTextAsync(file);
await GraphApiProxy.UploadNewFile(content, file.Name);
}
else
{
TxtFile.Text = "<select a file>";
}
}
private async void BtnDownloadFile_OnClick(object sender, RoutedEventArgs e)
{
using (var remoteStream = await GraphApiProxy.DownloadFile(TxtFileName.Text))
{
FileSavePicker picker = new FileSavePicker();
picker.DefaultFileExtension = ".txt";
picker.FileTypeChoices.Add("Text", new string[] { ".txt" });
picker.FileTypeChoices.Add("Unknown", new List <string>()
{
"."
});
picker.SuggestedFileName = TxtFileName.Text;
var target = await picker.PickSaveFileAsync();
var targetStream = await target.OpenStreamForWriteAsync();
await remoteStream.CopyToAsync(targetStream);
await targetStream.FlushAsync();
}
}
private async void BtnGetFiles_Click(object sender, RoutedEventArgs e)
{
var recent = await GraphApiProxy.GetRecentFiles();
}