Hotkeynet PiP

Hey.

I just tryede multi boxing....nice =) but now i want to try PiP and it fucks up.....
im using the script below and I change <SetWinSize to 1920 1080 .
and I tryed to move the small window, but when i change <SetWinPos 1500 700
it leaves a "hole" so i can see my desktop in the background,through my game screen, what am I doing wrong???

If this make sence =)

Code:

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//================================================================
// PIP TOGGLING WITH WORLD OF WARCRAFT
//
// Requires HotkeyNet build 139 or higher.
//
// This sample shows how to place one WoW window inside another.
//
// Each time you press F1 the two windows switch positions.
//
// WoW must be set to windowed mode on video options in game.
//
// Toggle Scroll Lock to enable and disable the hotkey
//
//================================================================

//----------------------------------------------------------------
// RENAME WINDOWS AND REMOVE BORDERS
//----------------------------------------------------------------
<Hotkey Ctrl R>
  <RenameWin World WoW1>
  <RemoveWinFrame>
  <RenameWin World WoW2>
  <RemoveWinFrame>

//----------------------------------------------------------------
// SET PIP CONFIGURATION
// Usage: <SetPip BigWindowName LittleWindowName>
// This command is called by <Hotkey F1> which is defined below.
//----------------------------------------------------------------
<Command SetPip>
  <TargetWin %2%>
      <SetWinSize 400 300>
      <SetWinPos 775 515>
  <TargetWin %1%>
      <SetWinPos 0 0>
      <SetWinSize 1200 900>
  <TargetWin %2%>
      <SetForegroundWin>
      <UpdateWin>
  <TargetWin %1%>
      <SetWinRegion 775 515 400 300>
      <SetForegroundWin>

//----------------------------------------------------------------
// TOGGLE PIP CONFIG WITH HOTKEY
//----------------------------------------------------------------
<Hotkey ScrollLockOn F1>
  <Toggle>
      <SetPip WoW1 WoW2>
  <Toggle>
      <SetPip WoW2 WoW1>

//================================================================
// END OF FILE
//================================================================

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