private void tsBtnParseGraph_Click(object sender, EventArgs e)
 {
     SpectrumImgImporter specII = new SpectrumImgImporter();
     if (specII.ShowDialog(this) == DialogResult.OK)
         Spectrum = specII.Spectrum;
 }
 private void tsBtnImport_Click(object sender, EventArgs e)
 {
     SpectrumImgImporter sii = new SpectrumImgImporter();
     sii.ShowDialog(this);
     if (sii.Spectrum != null)
     {
         Spectrum = sii.Spectrum;
     }
 }