本文整理汇总了C#中System.Windows.Forms.Form.Closing事件的典型用法代码示例。如果您正苦于以下问题：C# Form.Closing事件的具体用法？C# Form.Closing怎么用？C# Form.Closing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.Closing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: Form1_Closing
private void Form1_Closing(object sender, System.ComponentModel.CancelEventArgs e)
{
// Determine if text has changed in the textbox by comparing to original text.
if (textBox1.Text != strMyOriginalText)
{
// Display a MsgBox asking the user to save changes or abort.
if(MessageBox.Show("Do you want to save changes to your text?", "My Application",
MessageBoxButtons.YesNo) == DialogResult.Yes)
{
// Cancel the Closing event from closing the form.
e.Cancel = true;
// Call method to save file...
}
}
}示例2: FormClosingEventCancle
//引入命名空间
using System;
using System.Drawing;
using System.Collections;
using System.ComponentModel;
using System.Windows.Forms;
using System.Data;
public class FormClosingEventCancle : System.Windows.Forms.Form
{
private System.ComponentModel.Container components = null;
public FormClosingEventCancle()
{
InitializeComponent();
this.Closing += new System.ComponentModel.CancelEventHandler(this.FormClosingEventCancle_Closing);
}
protected override void Dispose( bool disposing )
{
if( disposing )
{
if (components != null)
{
components.Dispose();
}
}
base.Dispose( disposing );
}
private void InitializeComponent()
{
this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);
this.ClientSize = new System.Drawing.Size(280, 177);
}
[STAThread]
static void Main()
{
Application.Run(new FormClosingEventCancle());
}
private void FormClosingEventCancle_Closing(object sender, System.ComponentModel.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;
}
}