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public partial class Form1 : Form
{
public Form1()
{
InitializeComponent();
menuStrip1.Items.Add("窗口列表");
menuStrip1.MdiWindowListItem = menuStrip1.Items[0] as ToolStripMenuItem;
this.IsMdiContainer = true;
this.MainMenuStrip = menuStrip1;
}
private void Form1_Load(object sender, EventArgs e)
{
frmChild child = new frmChild();
child.MdiParent = this;
child.Show();
}
}