基于Silverlight打印的使用详解,是否为微软的Bug问题

<Grid x:Name="LayoutRoot" Background="White">
      <Button>这是第一个例子，简单的按钮</Button>
</Grid>

<Grid x:Name="LayoutRoot" Background="White">
        <StackPanel>
            <Button x:Name="btnPrint1" Click="btnPrint1_Click">Print1</Button>
        </StackPanel>
</Grid>

private void btnPrint1_Click(object sender, RoutedEventArgs e)
        {
            PrintDocument printDocument = new PrintDocument();
            printDocument.PrintPage += new EventHandler<PrintPageEventArgs>(printDocument_PrintPage);
            PrintDocument.Print("要打印的文档的名称，这个可以随便设置");
        }

        void printDocument_PrintPage(object sender, PrintPageEventArgs e)
        {
            e.PageVisual = new Print1();
        }

void printDocument_PrintPage(object sender, PrintPageEventArgs e)
{
  e.PageVisual = new Print1();
}

void printDocument_PrintPage(object sender, PrintPageEventArgs e)
{
    Print1 printVisual = new Print1();
    printVisual.btnSample.Content = "修改后的值，当然也可以从数据库中获取";
    e.PageVisual = printVisual;
}

int count = 5;
int printCount = 0;
void printDocument_PrintPage(object sender, PrintPageEventArgs e)
{
    Print1 printVisual = new Print1();
    printVisual.btnSample.Content = "修改后的值，当然也可以从数据库中获取";
    e.PageVisual = printVisual;
    printCount++;

    if (printCount < count) //如果已经打印的页数小于要打印的页数，说明还需要打印。
    {
         e.HasMorePages = true;
    }
    else
    {
        e.HasMorePages = false;
    }
}

       int count = 5;
        int printCount = 0;

        void printDocument_PrintPage(object sender, PrintPageEventArgs e)
        {
            PrintDocument printDocument = sender as PrintDocument;
            Print1 printVisual = new Print1();
            printVisual.btnSample.Content = string.Format("按钮{0}", printDocument.PrintedPageCount);
            e.PageVisual = printVisual;
            printCount++;

            if (printCount < count)
            {
                e.HasMorePages = true;
            }
            else
            {
                e.HasMorePages = false;
            }
        }

int count = 5;
        int printCount = 0;

        /// <summary>
        /// 是否是第一次打印，因为只有第二次打印的时候才开始真正的打印。
        /// </summary>
        private bool isInitialized = false;
        private bool realPrint = false;

        void printDocument_PrintPage(object sender, PrintPageEventArgs e)
        {
            PrintDocument printDocument = sender as PrintDocument;
            int currentPage = printDocument.PrintedPageCount;

            #region 因为要经过两次，第一次是初始化，而第二次才是真正的打印,而两次PrintedPageCount都是0
            if (currentPage == 0)
            {
                if (isInitialized) //如果已经初始化，则设置realPrint为true
                {
                    realPrint = true;
                }

                isInitialized = true; //运行到这里，说明已经初始化了。
            }
            #endregion

            if (realPrint)
            {
                //PrintDocument printDocument = sender as PrintDocument;

                Print1 printVisual = new Print1();
                printVisual.btnSample.Content = string.Format("按钮{0}", printDocument.PrintedPageCount);

                e.PageVisual = printVisual;

                printCount++;
                if (printCount < count)
                {
                    e.HasMorePages = true;
                }
                else
                {
                    e.HasMorePages = false;
                }
            }
        }