Microsoft has been developed an API named  SetWindowDisplayAffinity to support the window content protection. This feature enables applications to protect application content from being captured or copied through a specific set of public operating system features and APIs. Unlike other security features or...

 Why Singleton Instance:A single Instance is a must for desktop-based applications. Assume your application has been opened and then the user clicks again in the desktop shortcut then, running the application should be focused if it is minimized in the taskbar or hide in the task tray instead of opening a new instance....