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SendInput (user32)
 
.
Summary

The SendInput function synthesizes keystrokes, mouse motions, and button clicks to the currently active window

C# Signature:

   /// <summary>
   /// Synthesizes keystrokes, mouse motions, and button clicks.
   /// </summary>
   [DllImport("user32.dll")]
   internal static extern uint SendInput (uint nInputs,
      [MarshalAs(UnmanagedType.LPArray), In] INPUT[] pInputs,
      int cbSize);

VB.NET Signature:

<DllImport("user32.dll", SetLastError:=True)> Private Shared Function SendInput(ByVal cInputs As Integer, ByRef pInputs As MOUSEINPUT, ByVal cbSize As Integer) As Integer
End Function

VB Signature:

Private Declare Function SendInput Lib "user32.dll" (ByVal cInputs As Integer, ByRef pInputs As INPUT, ByVal cbSize As Integer) As Integer

C# User-Defined Types:

Tips & Tricks:

Please add some!

User-Defined Field Types:

INPUT

Sample Code:

   var pInputs = new[]
   {
      new StructLib.INPUT()
      {
     type = EnumLib.INPUT_TYPE.INPUT_KEYBOARD,
     ki = new StructLib.KEYBDINPUT()
     {
        wScan = EnumLib.ScanCodeShort.KEY_S,
        wVk = EnumLib.VirtualKeyShort.KEY_S
     }
      },
      new StructLib.INPUT()
      {
     type = EnumLib.INPUT_TYPE.INPUT_KEYBOARD,
     ki = new StructLib.KEYBDINPUT()
     {
        wScan = EnumLib.ScanCodeShort.KEY_S,
        wVk = EnumLib.VirtualKeyShort.KEY_S,
        dwFlags = EnumLib.KEYEVENTF.KEYUP
     }
      },
      new StructLib.INPUT()
      {
     type = EnumLib.INPUT_TYPE.INPUT_KEYBOARD,
     ki = new StructLib.KEYBDINPUT()
     {
        wScan = EnumLib.ScanCodeShort.KEY_S,
        wVk = EnumLib.VirtualKeyShort.KEY_S
     }
      },
      new StructLib.INPUT()
      {
     type = EnumLib.INPUT_TYPE.INPUT_KEYBOARD,
     ki = new StructLib.KEYBDINPUT()
     {
        wScan = EnumLib.ScanCodeShort.KEY_S,
        wVk = EnumLib.VirtualKeyShort.KEY_S,
        dwFlags = EnumLib.KEYEVENTF.KEYUP
     }
      },
      new StructLib.INPUT()
      {
     type = EnumLib.INPUT_TYPE.INPUT_KEYBOARD,
     ki = new StructLib.KEYBDINPUT()
     {
        wScan = EnumLib.ScanCodeShort.KEY_S,
        wVk = EnumLib.VirtualKeyShort.KEY_S
     }
      },
      new StructLib.INPUT()
      {
     type = EnumLib.INPUT_TYPE.INPUT_KEYBOARD,
     ki = new StructLib.KEYBDINPUT()
     {
        wScan = EnumLib.ScanCodeShort.KEY_S,
        wVk = EnumLib.VirtualKeyShort.KEY_S,
        dwFlags = EnumLib.KEYEVENTF.KEYUP
     }
      }
   };

   var hWindow = Api.user32.FindWindow("notepad", null);
   Api.user32.SetForegroundWindow(hWindow);
   Thread.Sleep(2500);
   Api.user32.SendInput((uint)pInputs.Length, pInputs, StructLib.INPUT.Size);

code

#region powershell yes it WORKS!! begin

[testing.windows]::SetForegroundWindow( ( Get-Process notepad |? { $.id in ( get-wmiobject win32process -filter "name='notepad.exe'" |% { if ( $.getowner().user eq $env:username ) { $.processid } } ) } )[0].MainWindowHandle)

$_inputList = New-Object 'Collections.Generic.List[Testing.Windows3+INPUT]'

$inputList.Add( $( New-Object Testing.Windows3+INPUT Property { type = [Testing.Windows3+INPUTTYPE]::KEYBOARD ; U = $( New-Object Testing.Windows3+InputUnion -Property { ki = $( New-Object Testing.Windows3+KEYBDINPUT Property @{ wVk = [Testing.Windows3+VirtualKeyShort]::KEY_S } ) } ) } ) )

$inputList.Add( $( New-Object Testing.Windows3+INPUT Property { type = [Testing.Windows3+INPUTTYPE]::KEYBOARD ; U = $( New-Object Testing.Windows3+InputUnion -Property { ki = $( New-Object Testing.Windows3+KEYBDINPUT Property @{ wVk = [Testing.Windows3+VirtualKeyShort]::KEY_S ; dwFlags = $( [Testing.Windows3+KEYEVENTF]::KEYUP ) } ) } ) } ) )

$inputList.Add( $( New-Object Testing.Windows3+INPUT Property { type = [Testing.Windows3+INPUTTYPE]::KEYBOARD ; U = $( New-Object Testing.Windows3+InputUnion -Property { ki = $( New-Object Testing.Windows3+KEYBDINPUT Property @{ wVk = [Testing.Windows3+VirtualKeyShort]::MENU } ) } ) } ) )

$inputList.Add( $( New-Object Testing.Windows3+INPUT Property { type = [Testing.Windows3+INPUTTYPE]::KEYBOARD ; U = $( New-Object Testing.Windows3+InputUnion -Property { ki = $( New-Object Testing.Windows3+KEYBDINPUT Property @{ wVk = [Testing.Windows3+VirtualKeyShort]::KEY_E } ) } ) } ) )

$inputList.Add( $( New-Object Testing.Windows3+INPUT Property { type = [Testing.Windows3+INPUTTYPE]::KEYBOARD ; U = $( New-Object Testing.Windows3+InputUnion -Property { ki = $( New-Object Testing.Windows3+KEYBDINPUT Property @{ wVk = [Testing.Windows3+VirtualKeyShort]::MENU ; dwFlags = $( [Testing.Windows3+KEYEVENTF]::KEYUP ) } ) } ) } ) )

$inputList.Add( $( New-Object Testing.Windows3+INPUT Property { type = [Testing.Windows3+INPUTTYPE]::KEYBOARD ; U = $( New-Object Testing.Windows3+InputUnion -Property { ki = $( New-Object Testing.Windows3+KEYBDINPUT Property @{ wVk = [Testing.Windows3+VirtualKeyShort]::KEY_E ; dwFlags = $( [Testing.Windows3+KEYEVENTF]::KEYUP ) } ) } ) } ) )

$inputList.Add( $( New-Object Testing.Windows3+INPUT Property { type = [Testing.Windows3+INPUTTYPE]::KEYBOARD ; U = $( New-Object Testing.Windows3+InputUnion -Property { ki = $( New-Object Testing.Windows3+KEYBDINPUT Property @{ wVk = [Testing.Windows3+VirtualKeyShort]::CONTROL } ) } ) } ) )

$inputList.Add( $( New-Object Testing.Windows3+INPUT Property { type = [Testing.Windows3+INPUTTYPE]::KEYBOARD ; U = $( New-Object Testing.Windows3+InputUnion -Property { ki = $( New-Object Testing.Windows3+KEYBDINPUT Property @{ wVk = [Testing.Windows3+VirtualKeyShort]::KEY_F } ) } ) } ) )

$inputList.Add( $( New-Object Testing.Windows3+INPUT Property { type = [Testing.Windows3+INPUTTYPE]::KEYBOARD ; U = $( New-Object Testing.Windows3+InputUnion -Property { ki = $( New-Object Testing.Windows3+KEYBDINPUT Property @{ wVk = [Testing.Windows3+VirtualKeyShort]::CONTROL ; dwFlags = $( [Testing.Windows3+KEYEVENTF]::KEYUP ) } ) } ) } ) )

$inputList.Add( $( New-Object Testing.Windows3+INPUT Property { type = [Testing.Windows3+INPUTTYPE]::KEYBOARD ; U = $( New-Object Testing.Windows3+InputUnion -Property { ki = $( New-Object Testing.Windows3+KEYBDINPUT Property @{ wVk = [Testing.Windows3+VirtualKeyShort]::KEY_F ; dwFlags = $( [Testing.Windows3+KEYEVENTF]::KEYUP ) } ) } ) } ) )

$inputArray = $inputList.ToArray()

Start-Sleep 2 ; [Testing.Windows3]::SendInput($inputArray.count, $inputArray, [Runtime.InteropServices.marshal]::SizeOf($_inputArray[0]))

#endregion powershell yes it WORKS!! end

[/code]

Documentation
SendInput on MSDN

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