using System; using System.Collections.Generic; using System.ComponentModel; using System.Data; using System.Drawing; using System.Drawing.Drawing2D; using System.Runtime.InteropServices; using System.Text; using System.Text.RegularExpressions; using System.Windows.Forms; using System.Windows.Forms.DataVisualization.Charting; using UAS_MES.CustomControl.DataGrid_View; using UAS_MES.DataOperate; using UAS_MES.PublicForm; using UAS_MES.PublicMethod; namespace UAS_MES { public partial class Form1 : Form { DataHelper dh; DataTable dt; LogStringBuilder sql = new LogStringBuilder(); //经过的步骤 string PastStep = ""; //拆分后的经过的步骤 Dictionary Step; //屏幕高度 int ScreenWidth; //屏幕宽度 int ScreenHeight; public Form1() { InitializeComponent(); } [DllImport("kernel32.dll")] public static extern bool d(int freq, int duration); private void button3_Click(object sender, EventArgs e) { d(800, 600); } private void Form1_Load(object sender, EventArgs e) { } } }