// Copies the internal strokes to the IDataObject
protected override void DoCopy(IDataObject dataObject)
{
// samgeo - Presharp issue
// Presharp gives a warning when local IDisposable variables are not closed
// in this case, we can't call Dispose since it will also close the underlying stream
// which needs to be open for consumers to read
#pragma warning disable 1634, 1691
#pragma warning disable 6518
// Save the data in the data object.
MemoryStream stream = new MemoryStream();
Strokes.Save(stream);
stream.Position = 0;
(new UIPermission(UIPermissionClipboard.AllClipboard)).Assert();//BlessedAssert
try
{
dataObject.SetData(StrokeCollection.InkSerializedFormat, stream);
}
finally
{
UIPermission.RevertAssert();
}
#pragma warning restore 6518
#pragma warning restore 1634, 1691
}
public void GetObjectData(SerializationInfo info, StreamingContext context)
{
info.AddValue(nameof(Id), Id);
info.AddValue(nameof(Shape), Shape);
info.AddValue(nameof(Name), Name);
info.AddValue(nameof(Content), Content);
// serialze strokes
using (var stream = new MemoryStream())
{
Strokes.Save(stream);
var bytes = stream.ToArray();
info.AddValue(nameof(Strokes), bytes);
}
}
private async Task <bool> StrokeCanvas()
{
using (MemoryStream memoryStream = new MemoryStream())
{
Strokes.Save(memoryStream);
try
{
//var recepient = _selectedParticipant.Name;
await chatService.SendBroadcastStrokesAsync(memoryStream.ToArray());
return(true);
}
catch (Exception) { return(false); }
}
}
