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C# Form.Closing事件代码示例

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, 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...
      }
   }
}
开发者ID:.NET开发者,项目名称:System.Windows.Forms,代码行数:15,代码来源:Form.Closing

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;    
  }
}
开发者ID:C#程序员,项目名称:System.Windows.Forms,代码行数:53,代码来源:Form.Closing


注:本文中的System.Windows.Forms.Form.Closing事件示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。