#眉標=Silverlight 4、Elevated Trust、OOB
#副標=Silverlight最新技術與應用(1)
#大標=Silverlight 4更進一步應用於用戶端
#作者=文／圖 董大偉




==<box>===========
程式1

private void Button1_Click(object sender, System.Windows.RoutedEventArgs e)
{
  System.Windows.Printing.PrintDocument pDoc = new System.Windows.Printing.PrintDocument();
  pDoc.StartPrint += new EventHandler<System.Windows.Printing.StartPrintEventArgs>(pDoc_StartPrint);
  pDoc.PrintPage += new EventHandler<System.Windows.Printing.PrintPageEventArgs>(pDoc_PrintPage);
  pDoc.EndPrint += new EventHandler<System.Windows.Printing.EndPrintEventArgs>(pDoc_EndPrint);

  pDoc.DocumentName = "列印小叮噹";  //列印檔案名稱(出現在列表機視窗)
  pDoc.Print();
}
void pDoc_EndPrint(object sender, System.Windows.Printing.EndPrintEventArgs e)
{
  //throw new NotImplementedException();
}
void pDoc_StartPrint(object sender, System.Windows.Printing.StartPrintEventArgs e)
{    
  //throw new NotImplementedException();
}
void pDoc_PrintPage(object sender, System.Windows.Printing.PrintPageEventArgs e)
{
  e.HasMorePages = false; //沒有其他列印頁
  e.PageVisual = Canvas1; //要輸出到印表機的物件
}
==<end>==============





===<反灰>=============
if (App.Current.HasElevatedPermissions) { 
//執行於Elevated Trust模式中
}
else {  
//並未執行於Elevated Trust模式中
}
　　
==<end>==============







==<box>===========
程式2

//儲存檔案
private void buttonSave_Click(object sender, RoutedEventArgs e)
{
//取得用戶端MyDocuments實際路徑
  string path=Environment.GetFolderPath( Environment.SpecialFolder.MyDocuments);
//建立檔案
  System.IO.StreamWriter sw= System.IO.File.CreateText(path + "\\Test123.txt");
//透過StreamWriter將textBox1中的內容寫入檔案
  sw.WriteLine(this.textBox1.Text);
//關檔
  sw.Close();
  MessageBox.Show("OK");
}
==<end>==============





==<box>===========
程式3


private void Button_Click(object sender, RoutedEventArgs e)
{
  //透過ComAutomationFactory呼叫Word應用程式
  dynamic word = System.Windows.Interop.ComAutomationFactory.CreateObject("Word.Application");
  //顯示
  word.Visible = true;
  //建立新word文件
  dynamic doc=word.Documents.Add();
  //在文件中填入底下文字
  word.Selection.TypeText("開啟新word文件，並輸入這段文字");
}
==<end>==============