Switch the mode of input method editor from terminal. This is a tool similar to im-select.
see https://github.com/VSCodeVim/Vim#input-method
"vim.autoSwitchInputMethod.enable": true,
"vim.autoSwitchInputMethod.defaultIM": "0",
"vim.autoSwitchInputMethod.obtainIMCmd": "D:\\bin\\zenhan.exe",
"vim.autoSwitchInputMethod.switchIMCmd": "D:\\bin\\zenhan.exe {im}"