function Test() {
    document.getElementById("frame").src = "<%: ViewBag.ScormModuleUrl %>";
    document.getElementById("frame").onresize = setWindowSize();
}
function setWindowSize() {
  var myWidth = 0, myHeight = 0;
  if (typeof (window.innerWidth) == 'number') {
    myWidth = window.parent.innerWidth;  //how to get width of frame window?
    myHeight = window.parent.innerHeight; //how to get height of frame window?
    alert(myHeight + "   " + myWidth);
    $("#LaunchWidth").val(myHeight);
    $("#LaunchHeight").val(myWidth);
    updateSaveButtons();
  }
}
<div class="col3">
  <a id="training-launch-button" href='javascript:OpenScormModuleWindow(<%: Model.ScormModuleId %> , "<%: ViewBag.ScormModuleUrl %>", "<%:  ViewBag.title %>", <%:  ViewBag.WindowWidth %>, <%:  ViewBag.WindowHeight %>);' class="button" onclick ="Test()">Launch</a>
</div>