title: Modify the windows style of another application using winAPI
body: <p>My application starts up another application. whereby, i want to remove the title bar of the application which is started using c#.</p>
  
  <p>How can i do this, starting up with the piece of code below ?</p>
  
  <pre><code>//Get current style
  lCurStyle = GetWindowLong(hwnd, GWL_STYLE)
  
  //remove titlebar elements
  lCurStyle = lCurStyle And Not WS_CAPTION
  lCurStyle = lCurStyle And Not WS_SYSMENU
  lCurStyle = lCurStyle And Not WS_THICKFRAME
  lCurStyle = lCurStyle And Not WS_MINIMIZE
  lCurStyle = lCurStyle And Not WS_MAXIMIZEBOX
  
  //apply new style
  SetWindowLong hwnd, GWL_STYLE, lCurStyle
  
  //reapply a 3d border
  lCurStyle = GetWindowLong(hwnd, GWL_EXSTYLE)
  
  SetWindowLong hwnd, GWL_EXSTYLE, lCurStyle Or WS_EX_DLGMODALFRAME
  
  //redraw
  SetWindowPos hwnd, 0, 0, 0, 0, 0, SWP_NOMOVE Or SWP_NOSIZE Or SWP_FRAMECHANGED
  </code></pre>