.Net
C# GridViewExportUtil
usingSystem.Data;usingSystem.IO;usingSystem.Web;usingSystem.Web.UI;usingSystem.Web.UI.WebControls;///<summary>///导出EXCEL///</summary>publicclassGrid...
C# CookieHelper
usingSystem;usingSystem.Text.RegularExpressions;usingSystem.Web;publicclassCookieHelper{///<summary>///清除登录用户的cookie///</summary>publicstaticvoidCle...
C# Upload
usingSystem;usingSystem.Drawing;usingSystem.Drawing.Imaging;usingSystem.IO;usingSystem.Web;usingBo_myCommon;publicclassUpload{#region上传图片///<summary>///上传...
C# ImageHelper
usingSystem;usingSystem.Drawing;usingSystem.Drawing.Imaging;usingSystem.IO;usingSystem.Web;publicclassImageHelper{#region正方型裁剪并缩放///<summary>///正方型裁剪///以图...
C# SQLiteHelper
usingSystem;usingSystem.Data;usingSystem.Data.Common;usingSystem.Data.SQLite;usingSystem.IO;usingSystem.Text.RegularExpressions;usingSystem.Xml;///<summary&g...
C# 自定义等待窗口
privateSynchronizationContextsyncContext=null;publicWaitWindow(){InitializeComponent();syncContext=SynchronizationContext.Current;}privatevoidDisplayProgress(){...
C# Work PPT to PDF
////<summary>///把ppt文件转换成pdf文件2///</summary>///<paramname="sourcePath">需要转换的文件路径和文件名称</param>///<paramname="targetPath">转换完成后的文件的路...
C# 委托简单例子
publicdelegatedoubleDelegate_Prod(inta,intb);classClass1{staticdoublefn_Prodvalues(intval1,intval2){returnval1*val2;}staticvoidMain(string[]args){//CreatingtheD...
C# 发邮件
publicstaticboolSend(stringSMTP,stringmailFrom,stringmailTos,stringsubject,stringbody,stringuser,stringpaw,MailPriorityPriority=MailPriority.Normal){MailMessage...
C# LnkHelper
usingSystem;usingSystem.Collections.Generic;usingSystem.Text;usingMicrosoft.Win32;usingSystem.Runtime.InteropServices;usingSystem.IO;//privatevoidbutton1_Click(...
C# 控制左右声道
privatevoidbutton1_Click(objectsender,EventArgse){axWindowsMediaPlayer1.settings.balance=-10000;}privatevoidbutton2_Click(objectsender,EventArgse){axWindowsMedi...
C# 判断输入的字符串是否只包含数字和英文字母
///<summary>///判断输入的字符串是否只包含数字和英文字母///</summary>///<paramname="input"></param>///<returns></returns>publicstaticboolIsNumAnd...
C# 设置MDI子窗体只能弹出一个的方法
Windows程序设计中的MDI(MultipleDocumentInterface)官方解释就是所谓的多文档界面，与此对应就有单文档界面(SDI)，它是微软公司从Windows2.0下的MicrosoftExcel电子表格程序开始引入的，Excel电子表格用户有时需要同时操作多份表格，MDI正好为这种操作多表格提供了...
C# 启动外部程序的几种常用方法汇总
1.启动外部程序，不等待其退出。2.启动外部程序，等待其退出。3.启动外部程序，无限等待其退出。4.启动外部程序，通过事件监视其退出。实现代码如下：//usingSystem.Diagnostics;privatestringappName="calc.exe";///<summary>///1.启动外部程...
C# VideoAPI
usingSystem;usingSystem.Runtime.InteropServices;publicclassVideoAPI//视频API类{//视频API调用[DllImport("avicap32.dll")]publicstaticexternIntPtrcapCreateCaptureWindowA(...
