BCGControlBar Pro for MFC
void CBCGPWorkspace::EnableTaskBarInteraction ( BOOL  bEnable = TRUE)

Enables interaction with Windows 7-11 task bar.

If interaction with Windows 7-11 task bar is enabled and the application uses MDI Tabs or MDI Tabbed Groups, each MDI children will be displayed on Windows 7-11 task bar thumbnails.

It's recommended to set this flag at the startup.

Parameters
bEnableIf TRUE interaction with Windows 7-11 task bar will be enabled.