---@meta ---@source System.dll ---@class System.Windows.Input.ICommand ---@source System.dll ---@field CanExecuteChanged System.EventHandler ---@source System.dll CS.System.Windows.Input.ICommand = {} ---@source System.dll ---@param value System.EventHandler function CS.System.Windows.Input.ICommand.add_CanExecuteChanged(value) end ---@source System.dll ---@param value System.EventHandler function CS.System.Windows.Input.ICommand.remove_CanExecuteChanged(value) end ---@source System.dll ---@param parameter object ---@return Boolean function CS.System.Windows.Input.ICommand.CanExecute(parameter) end ---@source System.dll ---@param parameter object function CS.System.Windows.Input.ICommand.Execute(parameter) end