实现效果:

知识运用:
API函数SetComputerName
实现代码:
private void Form1_Load(object sender, EventArgs e)
{
label1.Text="原计算机名: "+Environment.MachineName;
}
[DllImport("kernel32.dll")]
public static extern int SetComputerName(string IpComputerName);
private void button1_Click(object sender, EventArgs e)
{
if (textBox1.Text == "")
MessageBox.Show("内容不能为空");
else
{
SetComputerName(textBox1.Text);
MessageBox.Show("修改成功 重新启动后生效");
}
}
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