private void button2_Click(object sender, EventArgs e) { groupBox = (GroupBox)this.Parent; RegisterWin registerWin = new RegisterWin(); groupBox.Controls.Clear(); groupBox.Controls.Add(registerWin); }
public Form2(Form1 form1) { this.form1 = form1; InitializeComponent(); loginWin = new LoginWin(); registerWin = new RegisterWin(); groupBox = this.groupBox1; }
private void label1_Click(object sender, EventArgs e) {//注册 form2 = new Form2(this); RegisterWin registerWin = form2.registerWin; form2.Show(); registerWin.Show(); form2.groupBox.Controls.Clear(); form2.groupBox.Controls.Add(registerWin); }