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private void button15_Click(object sender, EventArgs e) { DataTable dt = new DataTable(); bool result = dbQueryNew.GetAllLineNameTest(ref dt); dataGridView1.DataSource = dt; } /// <summary>

class AutoSizeFormClass { //(1).声明结构,只记录窗体和其控件的初始位置和大小。 public struct controlRect { public int Left; public int Top; public int Width; public int Height; } //(2).声明

//按钮事件private void btn_Click(object sender, EventArgs e){}//自己的函数private void myFunc(){　　//程序中其他地方调用按钮事件　　btn_Click(this, new EventArgs());//这样传sender和e参数就可以，this代表当前程序所在的control，new EventArgs()代表初始化EventArgs类的一个新实例}...

添加下面3句public Show() { InitializeComponent(); SetStyle(ControlStyles.UserPaint, true); SetStyle(ControlStyles.AllPaintingInWmPaint, true); // 禁止擦除背景. SetStyle(Contr...

FormCollection childCollection = Application.OpenForms;for (int i = childCollection.Count; i-- > 0;){ if (childCollection[i].Name != "Monitor") childCollection[i].Close();} private ...

int x = (System.Windows.Forms.SystemInformation.WorkingArea.Width - this.Size.Width);int y = (System.Windows.Forms.SystemInformation.WorkingArea.Height - this.Size.Height) ;this.StartPosition = Form...

在Program.cs文件添加namespace Monitor{ static class Program { private static System.Threading.Mutex mutex; [STAThread] static void Main() { Appl...