wanshuo的专栏

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using System; using System.Collections.Generic; using System.ComponentModel; using System.Data; using System.Drawing; using System.Text; using System.Windows.Forms; using System.Diagnostics; namespace WindowsApplication1 { public partial class Form1 : Form { public Form1() { InitializeComponent(); } private void Form1_Load(object sender, EventArgs e) { this.timer1.Start(); } private void timer1_Tick(object sender, EventArgs e) { this.toolStripStatusLabel1.Text = "当前系统时间是：" + System.DateTime.Now.ToLongTimeString(); } private void Form1_FormClosed(object sender, FormClosedEventArgs e) { this.timer1.Stop(); } private void pictureBox1_MouseDown(object sender, MouseEventArgs e) { if (e.Button == MouseButtons.Left) { //建立进程 Process p = new Process(); p.StartInfo.WorkingDirectory = "c:\\windows\\system32"; p.StartInfo.FileName = "rundll32.exe"; //锁屏命令 p.StartInfo.Arguments = "user32.dll,LockWorkStation"; p.Start(); } else if (e.Button == MouseButtons.Right) { ProcessStartInfo psInfo = new ProcessStartInfo("cmd.exe"); psInfo.RedirectStandardInput = true; psInfo.UseShellExecute = false; psInfo.CreateNoWindow = true; psInfo.RedirectStandardOutput = true; Process proc = new Process(); proc.StartInfo = psInfo; proc.Start(); proc.StandardInput.WriteLine("shutdown -r"); } else { this.Close(); } } private void pictureBox1_Click(object sender, EventArgs e) { } private void Form1_KeyPress(object sender, KeyPressEventArgs e) { MessageBox.Show(Convert.ToInt32(e.KeyChar).ToString()); } private void statusStrip1_ItemClicked(object sender, ToolStripItemClickedEventArgs e) { } } }

// THIS CODE AND INFORMATION IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY // KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE // IMPLIED WARRANTIES OF MERCHANTABILITY AND/OR FITNESS FOR A PARTICULAR // PURPOSE. // // This material may not be duplicated in whole or in part, except for // personal use, without the express written consent of the author. // // Email: [email protected] // // Copyright (C) 1999-2003 Ianier Munoz. All Rights Reserved. using System; using System.Threading; using System.Runtime.InteropServices; namespace WaveLib { internal class WaveOutHelper { public static void Try(int err) { if (err != WaveNative.MMSYSERR_NOERROR) throw new Exception(err.ToString()); } } public delegate void BufferFillEventHandler(IntPtr data, int size); internal class WaveOutBuffer : IDisposable { public WaveOutBuffer NextBuffer; private AutoResetEvent m_PlayEvent = new AutoResetEvent(false); private IntPtr m_WaveOut; private WaveNative.WaveHdr m_Header; private byte[] m_HeaderData; private GCHandle m_HeaderHandle; private GCHandle m_HeaderDataHandle; private bool m_Playing; internal static void WaveOutProc(IntPtr hdrvr, int uMsg, int dwUser, ref WaveNative.WaveHdr wavhdr, int dwParam2) { if (uMsg == WaveNative.MM_WOM_DONE) { try { GCHandle h = (GCHandle)wavhdr.dwUser; WaveOutBuffer buf = (WaveOutBuffer)h.Target; buf.OnCompleted(); } catch { } } } public WaveOutBuffer(IntPtr waveOutHandle, int size) { m_WaveOut = waveOutHandle; m_HeaderHandle = GCHandle.Alloc(m_Header, GCHandleType.Pinned); m_Header.dwUser = (IntPtr)GCHandle.Alloc(this);

《用C#制作飘动的窗体效果》源代码 using System; using System.Collections.Generic; using System.ComponentModel; using System.Data; using System.Drawing; using System.Text; using System.Windows.Forms; namespace FallingGold { public partial class AboutForm : Form { public AboutForm() { InitializeComponent(); } private void linkLabel1_LinkClicked(object sender, LinkLabelLinkClickedEventArgs e) { string url = linkLabel1.Text; try { System.Diagnostics.Process.Start(url); } catch (System.ComponentModel.Win32Exception noBrowser) { if (noBrowser.ErrorCode == -2147467259) MessageBox.Show(noBrowser.Message); } catch (System.Exception exc) { MessageBox.Show(exc.Message); } } private void btnOK_Click(object sender, EventArgs e) { Dispose(); } } }