随笔分类 -  学习

摘要：[DllImport("user32.dll")] public static extern IntPtr SendMessage(IntPtr hWnd, uint msg, uint wParam, int lParam); private const uint WM_SYSCOMMAND = 0x0112; private const uint SC_MONITORPOWER = 0xF170; //关闭显示器 private void button1_Click(object sender, EventArgs e) { SendMessage(this.Handl 阅读全文

摘要：using System.Management; private void button1_Click(object sender, EventArgs e) { ManagementObjectSearcher query = new ManagementObjectSearcher("SELECT * FROM Win32_NetworkAdapterConfiguration"); ManagementObjectCollection queryCollection = query.Get(); foreach (ManagementObject mo in quer 阅读全文