private async Task Open(CanvasVirtualBitmapOptions options)
{
var filePicker = new FileOpenPicker();
filePicker.SuggestedStartLocation = PickerLocationId.PicturesLibrary;
filePicker.FileTypeFilter.Add("*");
var file = await filePicker.PickSingleFileAsync();
if (file == null)
{
return;
}
if (imageStream != null)
{
imageStream.Dispose();
imageStream = null;
}
try
{
imageStream = new ByteCounterStreamProxy(await file.OpenReadAsync());
virtualBitmapOptions = options;
IOGraph.Invalidate();
await LoadVirtualBitmap();
}
catch
{
var message = string.Format("Error opening '{0}'", file.Name);
var messageBox = new MessageDialog(message, "Virtual Bitmap Example").ShowAsync();
}
}
private async Task Open(CanvasVirtualBitmapOptions options)
{
var filePicker = new FileOpenPicker();
filePicker.SuggestedStartLocation = PickerLocationId.PicturesLibrary;
filePicker.FileTypeFilter.Add("*");
var file = await filePicker.PickSingleFileAsync();
if (file == null)
return;
if (imageStream != null)
{
imageStream.Dispose();
imageStream = null;
}
try
{
imageStream = new ByteCounterStreamProxy(await file.OpenReadAsync());
virtualBitmapOptions = options;
IOGraph.Invalidate();
await LoadVirtualBitmap();
}
catch
{
var message = string.Format("Error opening '{0}'", file.Name);
var messageBox = new MessageDialog(message, "Virtual Bitmap Example").ShowAsync();
}
}
