Show system menu of a hwnd

[Gintaras]

I used Spy++ to see what messages are sent to a window when you right click its button in the taskbar. The window then receives an undocumented and undefined message 0x313. And it really works.

Code:

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int hwnd=win("" "SciCalc" "Calc")
POINT p; xm p
SendMessage hwnd 0x313 0 p.y<<16|p.x