Storage and improvement of the quiz

Form1 's Code

Using system;using system.collections.generic;using system.componentmodel;using system.data;using System.Drawing;    Using system.linq;using system.text;using system.windows.forms;namespace calculate{public partial class Form1:form        {public Form1 () {InitializeComponent ();            } private void Button2_Click (object sender, EventArgs e)//write title {string i = @ "one";            String II = @ "Tow";            String III = @ "three";            string f = @ "Onefu";            String F1 [email protected] "towfu";            Writ1 writ = new Writ1 (I,II,III,F,F1); Writ.            X = TextBox1.Text; Writ.            Y = TextBox2.Text; Writ.            Z = TextBox3.Text; Writ.            FF1 = Combobox1.text; Writ.            FF2 = Combobox2.text;            Writ.xie ();            Textbox1.clear ();            Textbox2.clear ();                  Textbox3.clear ();     private void Button3_Click (object sender, EventArgs e)//emptying the question bank   {String i = @ "one";            String II = @ "Tow";            String III = @ "three";            string f = @ "Onefu";            String f1 = @ "Towfu";            Writ1 writ = new Writ1 (i, II, III, F, F1); Writ.            X = TextBox1.Text; Writ.            Y = TextBox2.Text; Writ.            Z = TextBox3.Text; Writ.            FF1 = Combobox1.text; Writ.            FF2 = Combobox2.text;        Writ.qingkong ();            } private void Button1_Click (object sender, EventArgs e) {Form2 ford=new Form2 (); Ford.        ShowDialog (); }            }}

  COMPUTE Classes

Using system;using system.collections.generic;using system.linq;using system.text;namespace Calculate{class        Calculate1 {private int A;        private int B;        private int C;          private int rightanswer;       private string Operator1;        private string Operator2;              public int A {set {a = value;                      }} public int B {set {b = value;            }} public int C {set {c = value;            }} public int Rightanswer {get {return rightanswer;            }} public string Operator1 {set {Operator1 = value;       }} public string Operator2 {set {Operator2 = value;      }} public int correct () {string operat = Operator1 + Operator2;                    Switch (operat) {case "+ +": rightanswer=a+b+c;                Break                    Case "+-": rightanswer=a+b-c;                Break                    Case "+*": Rightanswer = a + b * C;                Break                    Case "+/": Rightanswer = a + b/c;                Break                    Case "-+": Rightanswer = a-B + C;                Break                    Case "--": Rightanswer = a-B-C;                Break                    Case "-*": Rightanswer = a-b * c;                Break                    Case "-/": Rightanswer = a-b/C;                Break                    Case "*+": Rightanswer = A * b + C;     Break           Case "* *": Rightanswer = A * B-C;                Break                    Case "* *": Rightanswer = A * b * c;                Break                    Case "* *": Rightanswer = A * B/C;                Break                    Case "/+": Rightanswer = A/b + C;                Break                    Case "/-": Rightanswer = A/b-C;                Break                    Case "/*": Rightanswer = A/b-C;                Break                    Case "//": Rightanswer = A/b/C;            Break        } return rightanswer; }    }}

 form2

Using system;using system.collections.generic;using system.componentmodel;using system.data;using System.Drawing; Using system.linq;using system.text;using system.windows.forms;using system.io;namespace Calculate{public partial CLA        SS Form2:form {public Form2 () {InitializeComponent ();        } private int i = 1;        Calculate1 CA = new Calculate1 ();        private void Form2_load (object sender, EventArgs e) {butt ();            private void Textbox4_keydown (object sender, KeyEventArgs e) {if (E.keycode = = Keys.enter) {ca. A = Int.                Parse (TextBox1.Text); Ca. B = Int.                Parse (TextBox2.Text); Ca. C = Int.                Parse (TextBox3.Text); Ca. Operator1 = Label1.                Text; Ca. Operator2 = Label2.                Text;                                Ca.correct (); if (Textbox4.text = = ca. Rightanswer.tostring ()) {MessAgebox.show ("answer is taken!")                "); } else {MessageBox.Show ("Answer Error!                ");                } textbox4.clear ();             Butt ();            }} private void Butt () {string[] line = File.ReadAllLines ("one"); if (I < line.                Length) {TextBox1.Text = Line[i];                String[] lines = File.ReadAllLines ("tow");                TextBox2.Text = Lines[i];                String[] Lin = File.ReadAllLines ("three");                TextBox3.Text = Lin[i];                string[] Linf = File.ReadAllLines ("Onefu"); Label1.               Text = Linf[i];               string[] Linf1 = File.ReadAllLines ("Towfu"); Label2.            Text = Linf1[i];                  } i++; }          }}

  Write class

Using system;using system.collections.generic;using system.linq;using system.text;using System.IO;namespace        Calculate{class Writ1 {private String A;        private string C;        private string D;        private string F1;                private string F2;        private string X;        private string y;        private string Z;        private string ff1;                     private string ff2;            Public Writ1 (String A, String C, String D, String F1, String F2) {a = A;            c = C;            D = D;            F1 = F1;        F2 = F2;            public string X {set {x = value;            }} public string Y {set {Y = value;            }} public string Z {set {Z = value; }} public string FF1 {set {                FF1 = value;            }} public string FF2 {set {ff2 = value;            }} public void Xie () {StreamWriter di=new StreamWriter (a,true); Di.            WriteLine (x); Di.            Close ();            StreamWriter er = new StreamWriter (c, true); Er.            WriteLine (y); Er.            Close ();            StreamWriter san = new StreamWriter (d, true); San.            WriteLine (z); San.            Close ();            StreamWriter fi = new StreamWriter (F1, True); Fi.            WriteLine (FF1); Fi.            Close ();            StreamWriter FII = new StreamWriter (F2, true); Fii.            WriteLine (FF2); Fii.                   Close ();            } public void Qingkong () {StreamWriter ddd = new StreamWriter (a); Ddd.            WriteLine (""); Ddd.              Close ();            StreamWriter AAA = new StreamWriter (c); Aaa.            WriteLine ("");Aaa.            Close ();            StreamWriter FFF = new StreamWriter (d); Fff.            WriteLine (""); Fff.            Close ();            StreamWriter fff1 = new StreamWriter (F1); Fff1.            WriteLine (""); Fff1.            Close ();            StreamWriter fff2 = new StreamWriter (F2); Fff2.            WriteLine (""); Fff2.        Close (); }                  }}

Storage and improvement of the quiz