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Property (As Boolean )

aWindow.SystemUIVisible = newBooleanValue
or
BooleanValue = aWindow.SystemUIVisible

New in 2019r2

Supported for all project types and targets.

When set to False, hides system-wide UI, such as the Dock on macOS or the Start menu and taskbar on Windows. Defaults to True.

Notes

The behavior of this properties varies by OS. This is the behavior on current OS's (macOS Mojave, Windows 10, Linux Mint):

• Mac: When False (or OFF), the Dock and main menu bar are hidden when the window is frontmost.
• Windows: When False (or OFF), the taskbar (including "Start" button) is hidden, regardless of whether your app is frontmost.
• Linux Mint: When False (or OFF), the window menu bar is hidden (other distributions may have different behavior).