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使用C#设置系统时间(不同于以往的文章,是经过测试的)

来源:互联网网民  宽屏版  评论
2006-01-09 08:40:11

using System;

using System.Drawing;

using System.Collections;

using System.ComponentModel;

using System.Windows.Forms;

using System.Data;

using System.Runtime.InteropServices;

namespace WindowsApplication1

{

[StructLayout(LayoutKind.Sequential)]

public struct SystemTime

{

public ushort wYear;

public ushort wMonth;

public ushort wDayOfWeek;

public ushort wDay;

public ushort wHour;

public ushort wMinute;

public ushort wSecond;

public ushort wMiliseconds;

}

public class Win32

{

[DllImport("Kernel32.dll")]

public static extern bool SetSystemTime( ref SystemTime sysTime );

[DllImport("Kernel32.dll")]

public static extern void GetSystemTime(ref SystemTime sysTime);

}

/// <summary>

/// Form1 的摘要说明。

/// </summary>

public class Form1 : System.Windows.Forms.Form

{

private System.Windows.Forms.Button button1;

private System.Windows.Forms.TextBox textBox1;

private System.Windows.Forms.TextBox textBox2;

/// <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.button1 = new System.Windows.Forms.Button();

this.textBox1 = new System.Windows.Forms.TextBox();

this.textBox2 = new System.Windows.Forms.TextBox();

this.SuspendLayout();

//

// button1

//

this.button1.Location = new System.Drawing.Point(188, 174);

this.button1.Name = "button1";

this.button1.TabIndex = 0;

this.button1.Text = "button1";

this.button1.Click += new System.EventHandler(this.button1_Click);

//

// textBox1

//

this.textBox1.Location = new System.Drawing.Point(56, 12);

this.textBox1.Name = "textBox1";

this.textBox1.Size = new System.Drawing.Size(510, 21);

this.textBox1.TabIndex = 1;

this.textBox1.Text = "textBox1";

//

// textBox2

//

this.textBox2.Location = new System.Drawing.Point(58, 50);

this.textBox2.Name = "textBox2";

this.textBox2.Size = new System.Drawing.Size(506, 21);

this.textBox2.TabIndex = 2;

this.textBox2.Text = "textBox2";

//

// Form1

//

this.AutoScaleBaseSize = new System.Drawing.Size(6, 14);

this.ClientSize = new System.Drawing.Size(602, 273);

this.Controls.Add(this.textBox2);

this.Controls.Add(this.textBox1);

this.Controls.Add(this.button1);

this.Name = "Form1";

this.Text = "Form1";

this.ResumeLayout(false);

}

#endregion

/// <summary>

/// 应用程序的主入口点。

/// </summary>

[STAThread]

static void Main()

{

Application.Run(new Form1());

}

private void button1_Click(object sender, System.EventArgs e)

{

textBox1.Text = DateTime.Now.ToLongDateString() + DateTime.Now.ToLongTimeString();

SystemTime sysTime = new SystemTime();

sysTime.wYear = Convert.ToUInt16(DateTime.Now.Year);

sysTime.wMonth = Convert.ToUInt16(DateTime.Now.Month);

//处置北京时间

int nBeijingHour = DateTime.Now.Hour - 8;

if (nBeijingHour <= 0)

{

nBeijingHour += 24;

sysTime.wDay= Convert.ToUInt16(DateTime.Now.Day - 1);

sysTime.wDayOfWeek = Convert.ToUInt16(DateTime.Now.DayOfWeek - 1);

}

else

{

sysTime.wDay= Convert.ToUInt16(DateTime.Now.Day);

sysTime.wDayOfWeek = Convert.ToUInt16(DateTime.Now.DayOfWeek);

}

sysTime.wHour = Convert.ToUInt16(nBeijingHour);

sysTime.wMinute = Convert.ToUInt16(DateTime.Now.Minute);

sysTime.wSecond = Convert.ToUInt16(DateTime.Now.Second);

sysTime.wMiliseconds = Convert.ToUInt16(DateTime.Now.Millisecond);

Win32.SetSystemTime(ref sysTime);

textBox2.Text = DateTime.Now.ToLongDateString() + DateTime.Now.ToLongTimeString();

}

}

}

 
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using System; using System.Drawing; using System.Collections; using System.ComponentModel; using System.Windows.Forms; using System.Data; using System.Runtime.InteropServices; namespace WindowsApplication1 { [StructLayout(LayoutKind.Sequential)] public struct SystemTime { public ushort wYear; public ushort wMonth; public ushort wDayOfWeek; public ushort wDay; public ushort wHour; public ushort wMinute; public ushort wSecond; public ushort wMiliseconds; } public class Win32 { [DllImport("Kernel32.dll")] public static extern bool SetSystemTime( ref SystemTime sysTime ); [DllImport("Kernel32.dll")] public static extern void GetSystemTime(ref SystemTime sysTime); } /// <summary> /// Form1 的摘要说明。 /// </summary> public class Form1 : System.Windows.Forms.Form { private System.Windows.Forms.Button button1; private System.Windows.Forms.TextBox textBox1; private System.Windows.Forms.TextBox textBox2; /// <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.button1 = new System.Windows.Forms.Button(); this.textBox1 = new System.Windows.Forms.TextBox(); this.textBox2 = new System.Windows.Forms.TextBox(); this.SuspendLayout(); // // button1 // this.button1.Location = new System.Drawing.Point(188, 174); this.button1.Name = "button1"; this.button1.TabIndex = 0; this.button1.Text = "button1"; this.button1.Click += new System.EventHandler(this.button1_Click); // // textBox1 // this.textBox1.Location = new System.Drawing.Point(56, 12); this.textBox1.Name = "textBox1"; this.textBox1.Size = new System.Drawing.Size(510, 21); this.textBox1.TabIndex = 1; this.textBox1.Text = "textBox1"; // // textBox2 // this.textBox2.Location = new System.Drawing.Point(58, 50); this.textBox2.Name = "textBox2"; this.textBox2.Size = new System.Drawing.Size(506, 21); this.textBox2.TabIndex = 2; this.textBox2.Text = "textBox2"; // // Form1 // this.AutoScaleBaseSize = new System.Drawing.Size(6, 14); this.ClientSize = new System.Drawing.Size(602, 273); this.Controls.Add(this.textBox2); this.Controls.Add(this.textBox1); this.Controls.Add(this.button1); this.Name = "Form1"; this.Text = "Form1"; this.ResumeLayout(false); } #endregion /// <summary> /// 应用程序的主入口点。 /// </summary> [STAThread] static void Main() { Application.Run(new Form1()); } private void button1_Click(object sender, System.EventArgs e) { textBox1.Text = DateTime.Now.ToLongDateString() + DateTime.Now.ToLongTimeString(); SystemTime sysTime = new SystemTime(); sysTime.wYear = Convert.ToUInt16(DateTime.Now.Year); sysTime.wMonth = Convert.ToUInt16(DateTime.Now.Month); //处置北京时间 int nBeijingHour = DateTime.Now.Hour - 8; if (nBeijingHour <= 0) { nBeijingHour += 24; sysTime.wDay= Convert.ToUInt16(DateTime.Now.Day - 1); sysTime.wDayOfWeek = Convert.ToUInt16(DateTime.Now.DayOfWeek - 1); } else { sysTime.wDay= Convert.ToUInt16(DateTime.Now.Day); sysTime.wDayOfWeek = Convert.ToUInt16(DateTime.Now.DayOfWeek); } sysTime.wHour = Convert.ToUInt16(nBeijingHour); sysTime.wMinute = Convert.ToUInt16(DateTime.Now.Minute); sysTime.wSecond = Convert.ToUInt16(DateTime.Now.Second); sysTime.wMiliseconds = Convert.ToUInt16(DateTime.Now.Millisecond); Win32.SetSystemTime(ref sysTime); textBox2.Text = DateTime.Now.ToLongDateString() + DateTime.Now.ToLongTimeString(); } } }
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