C# (CSharp) Lab_3_Sem_2 Btn示例

示例#1

        private void button2_Click(object sender, EventArgs e)
        {
            Btn phone = (Btn)comboBox1.SelectedItem;

            if (phone != null)
            {
                comboBox1.Items.Remove(phone);
                comboBox1.Text = "";
            }
        }

示例#2

 void comboBox1_SelectedIndexChanged(object sender, EventArgs e)
 {
     Btn phone = (Btn)comboBox1.SelectedItem;
 }