C# MDI 관련 소스

private void 새파일ToolStripMenuItem_Click(object sender, EventArgs e)

{

    cForm child = new cForm();

child.MdiParent = this;

child.Text = "새파일"+n;

n++;

child.Show();

}

private void 저장ToolStripMenuItem_Click(object sender, EventArgs e)

{

////////////////////////////////////////////////////////////

RichTextBox child = (RichTextBox)ActiveMdiChild.ActiveControl;

////////////////////////////////////////////////////////////

if(saveFileDialog1.ShowDialog() ==DialogResult.OK)

{

StreamWriter writer = new StreamWriter(saveFileDialog1.FileName);

MessageBox.Show(saveFileDialog1.FileName);

writer.Write(child.Text);

writer.Close();

}

}

private void 닫기ToolStripMenuItem_Click(object sender, EventArgs e)

{

Form child =ActiveMdiChild;

if (child != null)

{

child.Close();

}

}

내MDI.zip