private void SaveDefaultLayoutMenuItem_Click(object sender, EventArgs e)
{
Stream str = new MemoryStream();
pivotGrid.SaveLayoutToStream(str, opt);
str.Position = 0;
var sr = new StreamReader(str);
var myStr = sr.ReadToEnd();
LayoutData = myStr;
Bitmap b = new Bitmap(pivotGrid.Width, pivotGrid.Height);
pivotGrid.DrawToBitmap(b, new Rectangle(0, 0, b.Width, b.Height));
SaveLayoutEventArgs args = new SaveLayoutEventArgs()
{
LayoutXML = myStr,
ImageData = b
};
SaveDefaultLayout(this, args);
}