Windows Screen Sharing App Development

I need a Windows application that facilitates screen sharing with an intuitive drag and drop file transfer feature.

Key Requirements:
- Primary function: Screen sharing
- File transfer capability: Drag and drop
- Platform: Windows only

Ideal Skills:
- Experience in developing Windows applications
- Strong knowledge of screen sharing technologies
- Proficiency in implementing drag and drop file transfer functionalities
- Familiarity with UI/UX design for user-friendly interfaces

Please provide examples of similar projects you've completed.