private void btPrint_Click(object sender, EventArgs e)
 {
     PicturePrint.Print();
 }
 private void btPrintOne_Click(object sender, EventArgs e)
 {
     PicturePrint.PrintSinglePage();
 }
 private void btResetLayout_Click(object sender, EventArgs e)
 {
     PicturePrint.ResetParams();
     UpdatePageLayot();
 }