watin:打印对话框

不完全确定您的情况,但加载时弹出窗口也显示打印对话框时出现问题。我们的主要问题是忘记创建一个新的IE实例并将其附加到弹出窗口。这是工作代码:

btnCoverSheetPrint.Click(); //Clicking this button will open a new window and a print dialog
IE iePopup = IE.AttachToIE(Find.ByUrl(new Regex(".+_CoverPage.aspx"))); //Match url ending in "_CoverPage.aspx"

WatiN.Core.DialogHandlers.PrintDialogHandler pdhPopup = new WatiN.Core.DialogHandlers.PrintDialogHandler(WatiN.Core.DialogHandlers.PrintDialogHandler.ButtonsEnum.Cancel);
using (new WatiN.Core.DialogHandlers.UseDialogOnce(iePopup.DialogWatcher, pdhPopup)) //This will use the DialogHandler once and then remove it from the DialogWatcher
{
    //At this point the popup window will be open, and the print dialog will be canceled
    //Use the iePopup object to manage the new window in here.
}

iePopup.Close(); // Close the popup once we are done.

这对我很有用:

private void Print_N_Email(Browser ie)
{
   //Print and handle dialog.
   ie.Div(Find.ById("ContentMenuLeft")).Link(Find.ByText(new Regex("Print.*"))).Click();//orig
   Browser ie2 = Browser.AttachTo(typeof(IE), Find.ByUrl(new Regex(".*Print.*")));
   System.Threading.Thread.Sleep(1000);

   PrintDialogHandler pdh = new PrintDialogHandler(PrintDialogHandler.ButtonsEnum.Cancel);
   new UseDialogOnce(ie2.DialogWatcher, pdh);
   ie2.Close(); 
}

您仍可能需要检查浏览器 AutoClose 财产 ie.AutoClose