Features of Version 15 and above:
Custom painting is completely controlled by the user. The user handles the custom painting through the paint callback. You can set this callback using the function L_DispContainerSetPaintCallBack. To get the callback, use the function L_DispContainerGetPaintCallBack.
Working with the LEADTOOLS Medical Image Viewer Control
For more information, refer to:
Medical Web Viewer .NET
.NET, Java, Android, and iOS/macOS Assemblies
C API/C++ Class Libraries