java学习范例
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C#课件学习 事件过程: private void addop_Click(object sender, EventArgs e) { int n; n = Convert.ToInt16(textBox1.Text) + Convert.ToInt16(textBox2.Text); textBox3.Text = n.ToString(); } private void subop_Click(object sender, EventArgs e) { int n; n = Convert.ToInt16(textBox1.Text) * Convert.ToInt16(textBox2.Text); textBox3.Text = n.ToString(); } private void mulop_Click(object sender, EventArgs e) { int n; n = Convert.ToInt16(textBox1.Text) * Convert.ToInt16(textBox2.Text); textBox3.Text = n.ToString(); } ......