如何在VB中單擊此按鈕？

Question

這是按鈕元素：

<input type="image" class="btnClaim" src="http://cdn1.swagbucks.com/content/results/images/btnClaimPrize.png" onclick="sb_vd.capSubmit();">

我已經試過這段代碼：

 Dim allelements As HtmlElementCollection = WebBrowser1.Document.All
                        For Each element As HtmlElement In allelements
                            If element.GetAttribute("class") = "btnClaim" Then
                                element.InvokeMember("click")

但它不會單擊按鈕。 如何以編程方式單擊此按鈕？

Answer 1

javascript是可能的

  window.onload=function()
  {
   img_click();
  }
  function img_click()
  {
    //do the code
  }