本文整理汇总了C#中System.Windows.Forms.Form.Activated事件的典型用法代码示例。如果您正苦于以下问题：C# Form.Activated事件的具体用法？C# Form.Activated怎么用？C# Form.Activated使用的例子？那么恭喜您, 这里精选的事件代码示例或许可以为您提供帮助。您也可以进一步了解该事件所在类System.Windows.Forms.Form的用法示例。
在下文中一共展示了Form.Activated事件的2个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C#代码示例。
示例1: Button1_Click
static int x = 200;
static int y = 200;
private void Button1_Click(System.Object sender,
System.EventArgs e)
{
// Create a new Form1 and set its Visible property to true.
Form1 form2 = new Form1();
form2.Visible = true;
// Set the new form's desktop location so it
// appears below and to the right of the current form.
form2.SetDesktopLocation(x, y);
x += 30;
y += 30;
// Keep the current form active by calling the Activate
// method.
this.Activate();
this.Button1.Enabled = false;
}
// Updates the label text to reflect the current values of x
// and y, which was were incremented in the Button1 control's
// click event.
private void Form1_Activated(object sender, System.EventArgs e)
{
Label1.Text = "x: "+x+" y: "+y;
Label2.Text = "Number of forms currently open: "+count;
}
static int count = 0;
private void Form1_Closed(object sender, System.EventArgs e)
{
count -= 1;
}
private void Form1_Load(object sender, System.EventArgs e)
{
count += 1;
}示例2: MainWindow
//引入命名空间
using System;
using System.Windows.Forms;
using System.ComponentModel;
public class MainWindow : Form {
private string lifeTimeInfo;
public MainWindow() {
this.Closing += new CancelEventHandler(MainForm_Closing);
this.Load += new EventHandler(MainForm_Load);
this.Closed += new EventHandler(MainForm_Closed);
this.Activated += new EventHandler(MainForm_Activated);
this.Deactivate += new EventHandler(MainForm_Deactivate);
}
protected void MainForm_Closing(object sender, CancelEventArgs e) {
DialogResult dr = MessageBox.Show("Do you REALLY want to close this app?",
"Closing event!", MessageBoxButtons.YesNo);
if (dr == DialogResult.No)
e.Cancel = true;
else
e.Cancel = false;
}
protected void MainForm_Load(object sender, System.EventArgs e) {
lifeTimeInfo += "Load event\n";
}
protected void MainForm_Activated(object sender, System.EventArgs e) {
lifeTimeInfo += "Activate event\n";
}
protected void MainForm_Deactivate(object sender, System.EventArgs e) {
lifeTimeInfo += "Deactivate event\n";
}
protected void MainForm_Closed(object sender, System.EventArgs e) {
lifeTimeInfo += "Closed event\n";
MessageBox.Show(lifeTimeInfo);
}
public static void Main(string[] args) {
Application.Run(new MainWindow());
}
}