private void btn_SaveJpegNPP_Click(object sender, EventArgs e) { if ((Bitmap)pic_Image.Image == null) { return; } SaveFileDialog sfd = new SaveFileDialog(); sfd.Filter = "JPEG files|*.jpg"; if (sfd.ShowDialog() != System.Windows.Forms.DialogResult.OK) { return; } try { JpegNPP.SaveJpeg(sfd.FileName, trk_JpegQuality.Value, (Bitmap)pic_Image.Image); } catch (Exception ex) { MessageBox.Show(ex.Message); } }
private void btn_OpenNPP_Click(object sender, EventArgs e) { OpenFileDialog ofd = new OpenFileDialog(); ofd.Filter = "JPEG files|*.jpg"; if (ofd.ShowDialog() != System.Windows.Forms.DialogResult.OK) { return; } try { pic_Image.Image = JpegNPP.LoadJpeg(ofd.FileName); } catch (Exception ex) { MessageBox.Show(ex.Message); } }