private void btnLoadS2I4_Click(object sender, RoutedEventArgs e)
{
imgState2Img4.Source = null;
imgState2Img4.ToolTip = "";
selectImageWindow dlgSelectImage = new selectImageWindow();
ctrlSelectImage si = new ctrlSelectImage();
si.ImagePicked += si_S2I4ImagePicked;
dlgSelectImage.Width = si.Width + 80;
dlgSelectImage.Height = si.Height + 80;
dlgSelectImage.Content = si;
dlgSelectImage.Show();
}