Performance improvement of Winforms' example (#686)
Performance improvement of Winforms' example (#686)

* Use BitmapData and access to the bytes directly in order to get better performance creating the depth images
* Force the window to redraw every frame.
microsoft/Azure-Kinect-Sensor-SDK,microsoft/Azure-Kinect-Sensor-SDK,microsoft/Azure-Kinect-Sensor-SDK,microsoft/Azure-Kinect-Sensor-SDK,microsoft/Azure-Kinect-Sensor-SDK,microsoft/Azure-Kinect-Sensor-SDK