async void ExportImage(object sender, RoutedEventArgs e)
{
if (_selection.Width == 0 || _selection.Height == 0)
{
MessageDialog md = new MessageDialog(Strings.EmptySelectionMessage);
await md.ShowAsync();
return;
}
var picker = new FileSavePicker();
picker.FileTypeChoices.Add("png", new List <string> {
".png"
});
picker.DefaultFileExtension = ".png";
StorageFile file = await picker.PickSaveFileAsync();
if (file != null)
{
var cropRect = ((RectD)_selection).Round();
await _bitmap.SaveAsPngAsync(file, new PngOptions { SourceRect = new ImageRect(cropRect) });
_selection = new Rect(0, 0, _bitmap.PixelWidth, _bitmap.PixelHeight);
UpdateMask();
}
}
async void ExportImage(object sender, RoutedEventArgs e)
{
var picker = new FileSavePicker();
picker.FileTypeChoices.Add("png", new List <string> {
".png"
});
picker.DefaultFileExtension = ".png";
StorageFile file = await picker.PickSaveFileAsync();
if (file != null)
{
await _bitmap.SaveAsPngAsync(file, null);
}
}