我正在尝试获取此图像右侧的窗口“A：流体流动（流畅）-网格划分”的 PID 。我找到的命令如下。单击窗口后，它们不起作用。我想杀死来自左侧窗口“Test02 - workbench”的右侧窗口，而不杀死两个窗口。通过双击位于右侧窗口的 Geometry 和 Setup 之间的 Mesh 获得右侧窗口。但是，我能够获得左侧窗口的PID。
$ xprop _NET_WM_PID
_NET_WM_PID: not found.
$ xprop _NET_WM_PID | cut -d' ' -f3
not
$ xprop
_NET_WM_ICON_GEOMETRY(CARDINAL) = 5, 694, 54, 54
_NET_FRAME_EXTENTS(CARDINAL) = 0, 0, 28, 0
WM_STATE(WM_STATE):
window state: Normal
icon window: 0x0
_NET_WM_DESKTOP(CARDINAL) = 0
_NET_WM_STATE(ATOM) = _NET_WM_STATE_MAXIMIZED_VERT
WM_CLASS(STRING) = "Ansyswbu.exe", "MainWin"
WM_NORMAL_HINTS(WM_SIZE_HINTS):
specified location: 706, 52
program specified location: 706, 52
user specified size: 660 by 716
program specified size: 660 by …