private void menuItemNew_Click(object sender, EventArgs e) { var isOK = openFileDialog1.ShowDialog(); if (isOK == DialogResult.OK) { frmPicture frm = new frmPicture(openFileDialog1.FileName); frm.MdiParent = this; this.menuStrip1.AllowMerge = false; count++; frm.Text = "Picture - " + count + " - " + openFileDialog1.FileName; frm.Show(); } toolStripStatusLabel1.Text = "Tổng số Form con: " + count.ToString(); }
private void menuItemSaveAs_Click(object sender, EventArgs e) { var isOK = saveFileDialog1.ShowDialog(); if (isOK == DialogResult.OK) { frmPicture frm = this.ActiveMdiChild as frmPicture; try { Image img = frm.pbHinh.Image; img.Save(saveFileDialog1.FileName, ImageFormat.Bmp); } catch { MessageBox.Show("Lỗi lưu file!"); } } }