weixin_39151951-CSDN博客

原创 C#编写 32 位和 24 色位图（Bitmap）转 8 位灰度图像函数

1.C#编写 32 位和 24 色位图（Bitmap）转 8 位灰度图像函数。2.8 位灰度图生成直方图，可在 Chart 中显示。

2023-11-30 15:46:33 209

原创 C#实现控制BarTender 打印

C#实现控制BarTender 打印。

2023-11-30 15:40:13 204

原创 Canvas_CAD_画多边形，弧形

标题Canvas_CAD_画多边形，弧形

2023-11-30 15:34:53 54

public static void ClearMemory(){GC.Collect();GC.WaitForPendingFinalizers(); //if (Environment.OSVersion.Platform == PlatformID.Win32NT) //{ // SetProcessWorkingSetSize(System.Diagnostics.Process.GetCurrentProcess().Handle, -1

2021-10-20 11:17:56 1281

原创实用的Json转换源码

using Newtonsoft.Json;using Newtonsoft.Json.Linq;using System;using System.Collections.Generic;using System.Data;namespace MESProxy{/// /// json工具类/// public static class JsonTool{/// /// 从一个对象信息生成Json串/// /// 对象，类/// stringpublic static s

2021-10-20 11:16:28 412

原创获取本机IP和Mac

/// <summary> /// 获取电脑名称 /// </summary> /// <returns></returns> public static string GetUserName() { try { string strUserName = string.Empty; ManagementClass mc = new Manag

2021-10-20 11:13:36 83

原创计算内存使用情况

/// <summary> /// 打印内存占用 /// </summary> /// <returns></returns> public static string MemoryAndCPU() { StringBuilder MemoryAndCpuStr = new StringBuilder(); if (!GOIConfig.GetInstance().MLog.Mem...

2021-10-20 11:09:18 58

原创 C# 计算内存使用情况

2021-10-20 11:08:21 792

原创获取鼠标所在位置颜色

[DllImport(“gdi32.dll”)]static public extern uint GetPixel(IntPtr hDC, int XPos, int YPos);[DllImport(“gdi32.dll”)]static public extern IntPtr CreateDC(string driverName, string deviceName, string output, IntPtr lpinitData);[DllImport(“gdi32.dll”)]sta

2021-08-27 13:03:47 461

原创 SQLServer实现分页

– exec prcPageResult 1,’*’,‘SysRole’,’’,‘RoleID’,0,‘RoleID’,1alter PROCEDURE prcPageResult– 获得某一页的数据 –@currPage int = 1, --当前页页码 (即Top currPage)@showColumn varchar(2000) = ‘*’, --需要得到的字段 (即 column1,column2,…)@tabName varchar(2000), --需要查看的表名 (即 from t

2021-01-04 13:44:10 58

原创画图表

using System;using System.Data;using System.Windows.Forms;using System.Runtime.InteropServices;using System.IO;using System.Text;using System.Data.SqlClient;using System.Threading;using System.Net;using System.Web.Services.Description;using Syste

2020-12-28 11:35:53 118

原创 3DES加密算法

using System;using System.Collections.Generic;using System.Text;using System.Security.Cryptography;using System.IO;namespace Hospital{class ClsBase64{/// public string Key { get { return "rWC1VhkuzvxsFNTorWC1Vh

2020-12-28 11:35:11 92

原创 Datagridview打印

using System;using System.Text;using System.Collections;using System.Collections.Generic;using System.Drawing;using System.Drawing.Printing;using System.Data;using System.Windows.Forms;using System.IO;using Languages;class DataGridViewPrinter{p

2020-12-28 11:34:15 208

原创 image和byte[]互转

public Image GetImageByBytes(byte[] bytes){Image photo = null;using (MemoryStream ms = new MemoryStream(bytes)){ms.Write(bytes, 0, bytes.Length);photo = Image.FromStream(ms, true); } return photo; } public byte[] GetByteImag

2020-12-28 11:33:19 178

原创计算方差

//求方差 public double Var(double[] v) { double sum1 = 0; for (int i = 0; i < v.Length; i++) { double temp = v[i] * v[i]; sum1 = sum1 + temp; } double sum = 0; foreach (d...

2020-12-28 11:32:27 130

原创自适应分辨率

public void SetControlSize(Control cls, Single font){if (cls.Controls.Count < 1)return;System.Drawing.Rectangle rect = System.Windows.Forms.Screen.PrimaryScreen.Bounds;int h = rect.Height; //高（像素）int w = rect.Width; ?//宽（像素） foreach (Contr

2020-12-28 11:31:45 201

原创启动EXE并传递参数

private string RunCmd(string command) { //實例一個Process類，啟動一個獨立進程 Process p = new Process(); //Process類有一個StartInfo屬性，這個是ProcessStartInfo類，包括了一些屬性和方法，下面我們用到了他的幾個屬性： p.StartInfo.FileName = @"C:\mesint\int.exe"; ...

2020-12-28 11:31:04 918

原创拷贝和删除文件夹

/// /// 拷贝某个文件夹到指定文件夹下/// /// /// public bool CopyDirectory(string sourceDirName, string destDirName){try{if (!Directory.Exists(destDirName)){Directory.CreateDirectory(destDirName);File.SetAttributes(destDirName, File.GetAttributes(sourceDirNam

2020-12-28 11:30:04 38

原创读写TXT

class WriteTextFile{static void Main(){//如果文件不存在，则创建；存在则覆盖//该方法写入字符数组换行显示string[] lines = { “first line”, “second line”, “third line”,“第四行” };System.IO.File.WriteAllLines(@“C:\testDir\test.txt”, lines, Encoding.UTF8); //如果文件不存在，则创建；存在则覆盖

2020-12-28 11:29:02 63

原创 YUV转BMP

public static Bitmap GetImagByYuvToRGB(string path, int width, int height){//int width = 1280;//int height = 720;// string path = “D:\1.yuv”;// Bitmap bmp = Helper.GetImagByYuvToRGB(path);// bmp.Save(“D:\yuv2bmp_1.bmp”)int imgSize = width * he

2020-12-28 11:27:34 635