C#可视化试验报告

1、科3二八»秦皇岛分校NorthEasternUniversityAtQinHuangDao可视化程序设计基础实验报告班级学号学生姓名提交日期2015年12月29日成绩计算机与通信工程学院实验一设计简易计算器1、实验内容实验任务：做一个简单的小计算器，实现整数的加减法，如下图所示2、源代码usingSystem;usingSystem.Collections.Generic;usingSystem.ComponentModel;usingSystem.Data;usingSystem.Drawing;usingSystem.Linq;usingSystem.Text;usingSyst

2、em.Windows.Forms;namespace实验1publicpartialclassForm1:FormpublicForm1()InitializeComponent();floattemp=-1;intpos=0;floattemp1,temp2;textBox1.Text=textBox1.Text+num.ToString();)private(addNum(1);)voidbutton1_Click(objectsender,EventArgse)private(addNum(2);)private(addNum(3);)private(addNum(4);)private

3、(addNum(5);)private(addNum(6);)private(addNum(7);)private(addNum(8);voidbutton2_Click(voidbutton3_Click(voidbutton4_Click(voidbutton5_Click(voidbutton6_Click(voidbutton7_Click(voidbutton8_Click(objectsender,objectsender,objectsender,objectsender,objectsender,objectsender,objectsender,EventArgse)Even

4、tArgse)EventArgse)EventArgse)EventArgse)EventArgse)EventArgse)privatevoidbutton9_Click(objectsender,EventArgse)addNum(9);privatevoidbutton10_Click(objectsender,EventArgse)(pos=1;temp1=Convert.ToInt64(textBox1.Text);textBox1.Text=""privatevoidbutton11_Click(objectsender,EventArgse)(pos=2;te

5、mp1=Convert.ToInt64(textBox1.Text);textBox1.Text=""privatevoidbutton12_Click(objectsender,EventArgse)(floattemp2=Convert.ToInt64(textBox1.Text);switch(pos)(case1:textBox1.Text=(temp1+temp2).ToString();break;case2:textBox1.Text=(temp1-temp2).ToString();break;privatevoidtextBox1_TextChanged(

6、objectsender,EventArgse)(privatevoidbutton13_Click(objectsender,EventArgse)(textBox1.Text=temp1=0;pos=0;3、实验效果45+8=53FormlI口但2-11=-9SForml"p拒实验二实现简易记事本1、实验内容做一个简单的记事本，有打开和保存功能可以打开一个txt文档，显示在文本编辑框中亶托粒.力工lq苣的电耐举地机碧套：）。本电瞰比卬）一在把Ht受沌尊n（j：Q灯处AdninactrJi*：mt的文越文件名始7打开娘s*afitti：克本J&i-*j篡泊|可以将文本编辑框

7、中的文字保存为一个文件2、源代码usingSystem;usingSystem.Collections.Generic;usingSystem.ComponentModel;usingSystem.Data;usingSystem.Drawing;usingSystem.Linq;usingSystem.Text;usingSystem.Windows.Forms;usingSystem.IO;namespace实验2(publicpartialclassForml:Form(publicForm1()(InitializeComponent();)privatestringtextFileN

8、ame=""privatestringfilePath=""privatevoidForm1_Load(objectsender,EventArgse)()privatevoidrichTextBox1TextChanged(objectsender,EventArgse)()privatevoid打开ToolStripMenuItemClick(objectsender,EventArgse)(OpenFileDialogfileone=newOpenFileDialog();fileone.Filter="文本文件(*txt)|*txt&q

9、uot;if(fileone.ShowDialog()=DialogResult.OK)(StreamReadersr=newStreamReader(fileone.FileName);richTextBoxl.Text=sr.ReadToEnd();sr.Close();FileInfofileinfo=newFileInfo(fileone.FileName);Text=fileinfo.Name+"-记事本"；textFileName=fileinfo.Name;)privatevoid保存ToolStripMenuItem_Click(objectsender,E

10、ventArgse)Save();privatevoidSave()(if(!textFileName.Equals("")(SaveFileDialogsaveFile=newSaveFileDialog();Text=textFileName+"-记事本"saveFile.Filter="文本文件(*.txt)|*.txt"saveFile.FileName=textFileName;saveFile.ShowDialog();filePath=saveFile.FileName;StreamWritersw=newStreamW

11、riter(filePath,false);sw.Write(richTextBox1.Text);sw.Close();MessageBoxShow("文件保存成功！"，"温馨提示")；3、实验效果打开:保存:Hhelldtxt记事本文性p3q567Efl|曲r西,w苜1实验三图形图像处理1、实验内容做一个程序，可以读取一个位图并显示，通过点击上下左右按钮，可以调整图片的位置，通过点击放大缩小，可以缩放图片。程序如shiyan3.exe2、源代码usingSystem;usingSystem.Collections.Generic;usingSyste

12、m.ComponentModel;usingSystem.Data;usingSystem.Drawing;usingSystem.Linq;usingSystem.Text;usingSystem.Windows.Forms;namespaceshiyan3publicpartialclassForm1:FormpublicForm1()InitializeComponent();privatevoidForm1_Load(objectsender,EventArgse)privatevoid读取ToolStripMenuItem_Click(objectsender,EventArgse)

13、this.pictureBox1.Image=Properties.Resources.Sunset;privatevoidbutton1_Click(objectsender,EventArgse)pictureBox1.LocationpictureBox1.Location.Y-10);newPoint(pictureBox1.Location.X,privatevoidbutton3_Click(objectsender,EventArgse)pictureBox1.Width=Convert.ToInt32(pictureBox1.Width*1.2);pictureBox1.Hei

14、ght=Convert.ToInt32(pictureBox1.Height*1.2);)privatevoidbutton4_Click(objectsender,EventArgse)pictureBox1.Width=Convert.ToInt32(pictureBox1.Width*0.8);pictureBoxl.Height=Convert.ToInt32(pictureBox1.Height*0.8);)objectsender,EventArgse)privatevoidbutton6_Click(pictureBoxl.LocationpictureBoxl.Location

15、.Y+10);)newPoint(pictureBox1.Location.X,privatevoidbutton2_Click(pictureBox1.Location=pictureBox1.Location.Y);)objectsender,EventArgse)newPoint(pictureBox1.Location.X-10,privatevoidbutton5_Click(objectsender,EventArgse)newPoint(pictureBox1.Location.X+10,pictureBoxl.Location=pictureBoxl.Location.Y);)

16、3、实验效果实验四数据操作1、实验内容做一个如shiyan4_2.exe的小程序，输入一个姓名，点击查询在修改后可以保存2、源代码usingSystem;usingSystem.Collections.Generic;usingSystem.ComponentModel;usingSystem.Data;usingSystem.Drawing;usingSystem.Linq;usingSystem.Text;usingSystem.Windows.Forms;usingSystem.Data.SqlClient;namespaceshiyan4publicpartialclassForm2:

17、FormSqlDataAdapteradapter;DataTabletable;publicForm2()InitializeComponent();privatevoidForm2_Load(objectsender,EventArgse)privatevoidbutton1_Click(objectsender,EventArgse)stringconnStr=Properties.Settings.Default.Database1ConnectionString;/连接字符串SqlConnectionconn=newSqlConnection(connStr);/建立到数据库的连接Stringsql="select*fromTable1where姓名="'+textBox1.Text+""'adapter=newSqlDataAdapter(sql,conn);SqlCommandBuilderbuilder=newSqlCommandBuilder(adapter);adapter.InsertCommand=builder.GetInsertC