实例介绍
【实例简介】
【实例截图】
【实例截图】
【核心代码】
using System;
using System.Drawing;
using System.Collections;
using System.ComponentModel;
using System.Windows.Forms;
using System.Data;
using System.Runtime.InteropServices;
namespace Date
{
/// <summary>
/// Form1 的摘要说明。
/// </summary>
///
public class Form1 : System.Windows.Forms.Form
{
private System.Windows.Forms.GroupBox groupBox1;
private System.Windows.Forms.Label label1;
private System.Windows.Forms.Button button1;
private System.Windows.Forms.TextBox textBox1;
private System.Windows.Forms.Label label2;
private System.Windows.Forms.Button button2;
private System.Windows.Forms.Label label3;
private System.Windows.Forms.Label label4;
private System.Windows.Forms.DateTimePicker dateTimePicker1;
private System.Windows.Forms.DateTimePicker dateTimePicker2;
/// <summary>
/// 必需的设计器变量。
/// </summary>
private System.ComponentModel.Container components = null;
public Form1()
{
//
// Windows 窗体设计器支持所必需的
//
InitializeComponent();
//
// TODO: 在 InitializeComponent 调用后添加任何构造函数代码
//
}
/// <summary>
/// 清理所有正在使用的资源。
/// </summary>
protected override void Dispose( bool disposing )
{
if( disposing )
{
if (components != null)
{
components.Dispose();
}
}
base.Dispose( disposing );
}
#region Windows 窗体设计器生成的代码
/// <summary>
/// 设计器支持所需的方法 - 不要使用代码编辑器修改
/// 此方法的内容。
/// </summary>
private void InitializeComponent()
{
this.groupBox1 = new System.Windows.Forms.GroupBox();
this.dateTimePicker2 = new System.Windows.Forms.DateTimePicker();
this.dateTimePicker1 = new System.Windows.Forms.DateTimePicker();
this.label4 = new System.Windows.Forms.Label();
this.label3 = new System.Windows.Forms.Label();
this.button2 = new System.Windows.Forms.Button();
this.label2 = new System.Windows.Forms.Label();
this.textBox1 = new System.Windows.Forms.TextBox();
this.button1 = new System.Windows.Forms.Button();
this.label1 = new System.Windows.Forms.Label();
this.groupBox1.SuspendLayout();
this.SuspendLayout();
//
// groupBox1
//
this.groupBox1.Controls.Add(this.dateTimePicker2);
this.groupBox1.Controls.Add(this.dateTimePicker1);
this.groupBox1.Controls.Add(this.label4);
this.groupBox1.Controls.Add(this.label3);
this.groupBox1.Controls.Add(this.button2);
this.groupBox1.Controls.Add(this.label2);
this.groupBox1.Controls.Add(this.textBox1);
this.groupBox1.Controls.Add(this.button1);
this.groupBox1.Controls.Add(this.label1);
this.groupBox1.Location = new System.Drawing.Point(16, 16);
this.groupBox1.Name = "groupBox1";
this.groupBox1.Size = new System.Drawing.Size(328, 128);
this.groupBox1.TabIndex = 0;
this.groupBox1.TabStop = false;
//
// dateTimePicker2
//
this.dateTimePicker2.Format = System.Windows.Forms.DateTimePickerFormat.Time;
this.dateTimePicker2.Location = new System.Drawing.Point(208, 88);
this.dateTimePicker2.Name = "dateTimePicker2";
this.dateTimePicker2.ShowUpDown = true;
this.dateTimePicker2.Size = new System.Drawing.Size(104, 21);
this.dateTimePicker2.TabIndex = 10;
//
// dateTimePicker1
//
this.dateTimePicker1.Location = new System.Drawing.Point(56, 88);
this.dateTimePicker1.Name = "dateTimePicker1";
this.dateTimePicker1.Size = new System.Drawing.Size(112, 21);
this.dateTimePicker1.TabIndex = 9;
//
// label4
//
this.label4.Location = new System.Drawing.Point(168, 96);
this.label4.Name = "label4";
this.label4.Size = new System.Drawing.Size(48, 16);
this.label4.TabIndex = 8;
this.label4.Text = "时间：";
//
// label3
//
this.label3.Location = new System.Drawing.Point(16, 96);
this.label3.Name = "label3";
this.label3.Size = new System.Drawing.Size(48, 16);
this.label3.TabIndex = 7;
this.label3.Text = "日期：";
//
// button2
//
this.button2.Location = new System.Drawing.Point(168, 64);
this.button2.Name = "button2";
this.button2.Size = new System.Drawing.Size(144, 23);
this.button2.TabIndex = 4;
this.button2.Text = "设置系统新日期时间";
this.button2.Click = new System.EventHandler(this.button2_Click);
//
// label2
//
this.label2.Location = new System.Drawing.Point(16, 72);
this.label2.Name = "label2";
this.label2.Size = new System.Drawing.Size(120, 16);
this.label2.TabIndex = 3;
this.label2.Text = "系统新日期时间：";
//
// textBox1
//
this.textBox1.Location = new System.Drawing.Point(16, 40);
this.textBox1.Name = "textBox1";
this.textBox1.Size = new System.Drawing.Size(296, 21);
this.textBox1.TabIndex = 2;
this.textBox1.Text = "";
//
// button1
//
this.button1.Location = new System.Drawing.Point(168, 16);
this.button1.Name = "button1";
this.button1.Size = new System.Drawing.Size(144, 23);
this.button1.TabIndex = 1;
this.button1.Text = "获取系统当前日期时间";
this.button1.Click = new System.EventHandler(this.button1_Click);
//
// label1
//
this.label1.Location = new System.Drawing.Point(16, 20);
this.label1.Name = "label1";
this.label1.Size = new System.Drawing.Size(120, 16);
this.label1.TabIndex = 0;
this.label1.Text = "系统当前日期时间：";
//
// Form1
//
this.AutoScaleBaseSize = new System.Drawing.Size(6, 14);
this.ClientSize = new System.Drawing.Size(360, 166);
this.Controls.Add(this.groupBox1);
this.MaximizeBox = false;
this.Name = "Form1";
this.StartPosition = System.Windows.Forms.FormStartPosition.CenterScreen;
this.Text = "演示获取和设置系统日期时间";
this.groupBox1.ResumeLayout(false);
this.ResumeLayout(false);
}
#endregion
/// <summary>
/// 应用程序的主入口点。
/// </summary>
[STAThread]
static void Main()
{
Application.Run(new Form1());
}
public class LibWrapDateTime
{
[DllImportAttribute( "Kernel32.dll" )]
public static extern void GetLocalTime(SystemTime st );
[DllImportAttribute( "Kernel32.dll" )]
public static extern void SetLocalTime(SystemTime st );
}
[StructLayoutAttribute( LayoutKind.Sequential)]
public class SystemTime
{
public ushort wYear;
public ushort wMonth;
public ushort wDayOfWeek;
public ushort wDay;
public ushort wHour;
public ushort wMinute;
public ushort wSecond;
public ushort wMilliseconds;
}
private void button1_Click(object sender, System.EventArgs e)
{//获取当前系统日期时间
DateTimePicker OlddateTimePicker = new DateTimePicker();
this.textBox1.Text=OlddateTimePicker.Value.ToLongDateString().ToString();
this.textBox1.Text =OlddateTimePicker.Value.ToLongTimeString().ToString();
}
private void button2_Click(object sender, System.EventArgs e)
{//设置系统当前日期时间
if(MessageBox.Show("您真的确定更改系统当前日期时间吗？","信息提示",MessageBoxButtons.OK)==DialogResult.OK)
{
DateTime Year=this.dateTimePicker1.Value;
SystemTime MySystemTime = new SystemTime();
LibWrapDateTime.GetLocalTime(MySystemTime);
MySystemTime.wYear=(ushort)this.dateTimePicker1.Value.Year;
MySystemTime.wMonth=(ushort)this.dateTimePicker1.Value.Month;
MySystemTime.wDay=(ushort)this.dateTimePicker1.Value.Day;
MySystemTime.wHour=(ushort)this.dateTimePicker2.Value.Hour;
MySystemTime.wMinute=(ushort)this.dateTimePicker2.Value.Minute;
MySystemTime.wSecond=(ushort)this.dateTimePicker2.Value.Second;
LibWrapDateTime.SetLocalTime(MySystemTime);
button1_Click(null,null);
}
}
}
}
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