private void comboBox2_SelectedIndexChanged(object sender, EventArgs e)
{
string printer = this.comboBox2.SelectedItem.ToString();
if (this.comboBox2.SelectedItem != null) //判断是否有选中值
{
if (PrinterOperate.SetDefaultPrinter(printer)) //设置默认打印机
{
this.label3.Text = "默认打印机:" + printer;
MessageBox.Show(printer + "设置为默认打印机成功！");
}
else
{
MessageBox.Show(printer + "设置为默认打印机失败！");
}
}
}
private void Form1_Load(object sender, EventArgs e)
{
PrinterOperate.GetPrinters(this.label3, this.comboBox2);
if (NetworkOperate.Ping("192.168.1.3"))
{
this.label6.Text = "● 网络连接正常";
this.label6.ForeColor = System.Drawing.Color.ForestGreen;
this.label5.Text = "本机IP：" + NetworkOperate.GetLocalIP();
string strServer = @"\\192.168.1.3";
string strUserName = "******";
string strUserPD = "ybsnyyzq";
System.Diagnostics.Process.Start("net.exe", "use \\\\" + strServer + " /user:\"" + strUserName + "\" \"" + strUserPD + "\"");
}
else
{
this.label6.Text = "● 网络连接异常";
this.label6.ForeColor = System.Drawing.Color.Crimson;
MessageBox.Show("内网已断开连接， 请检查网线以及交换机");
}
}