private async void ContentDialog_PrimaryButtonClick(ContentDialog sender, ContentDialogButtonClickEventArgs args)
{
args.Cancel = true;
PrimaryButtonText = "下载中";
IsPrimaryButtonEnabled = false;
try
{
var file = await IOTool.GetSaveFileAsync(".png", "保存的图片.png", "PNG 图片");
if (file != null)
{
var stream = await BiliTool.GetStreamFromWebAsync(_source);
using (var fileStream = await file.OpenStreamForWriteAsync())
{
await stream.CopyToAsync(fileStream);
}
new TipPopup("下载完成").ShowMessage();
}
}
catch (Exception)
{
new TipPopup("下载图片失败").ShowMessage();
}
PrimaryButtonText = "另存为";
IsPrimaryButtonEnabled = true;
}
private async void SaveButton_Click(object sender, RoutedEventArgs e)
{
var btn = sender as AppBarButton;
btn.IsEnabled = false;
if (_imageFlipView != null)
{
var item = _imageFlipView.SelectedItem as ImageDynamic.Picture;
if (item != null)
{
try
{
var file = await IOTool.GetSaveFileAsync(".png", "保存的图片.png", "PNG 图片");
if (file != null)
{
var stream = await BiliTool.GetStreamFromWebAsync(item.img_src);
using (var fileStream = await file.OpenStreamForWriteAsync())
{
await stream.CopyToAsync(fileStream);
}
new TipPopup("下载完成").ShowMessage();
}
}
catch (Exception)
{
new TipPopup("下载图片失败").ShowMessage();
}
}
}
btn.IsEnabled = true;
}
/// <summary>
/// 获取验证码
/// </summary>
/// <returns></returns>
public async Task <BitmapImage> GetCaptchaAsync()
{
var stream = await BiliTool.GetStreamFromWebAsync($"{Api.PASSPORT_CAPTCHA}?ts=${AppTool.GetNowSeconds()}");
if (stream != null)
{
var bitmap = new BitmapImage();
await bitmap.SetSourceAsync(stream.AsRandomAccessStream());
return(bitmap);
}
return(new BitmapImage(new Uri("ms-appx:///Assets/captcha_refresh.png")));
}
