ecc qui il codice di un programmino fittizio che avevo fatto per sperimentare le classi appena le ho studiate!
// sistemi1.cpp : Defines the entry point for the console application.
#include "stdafx.h"
#include "form1.h"
#include <iostream>
using namespace std;
class sistema {
public:
int coefficientex;
int coefficientey;
int coefficientetn;
int coefficientez;
int coefficientew;
int coefficientetn2;
};
void riduzione();
int x, y, tn, z, w, tn2;
int main()
{
int scelta;
cout <<"la prima equazione" <<"\n" ;
cout <<"inserire il coefficiente della x" <<"\n";
cin >> x;
cout <<"inserire il coefficiente della y" <<"\n";
cin >> y;
cout <<"inserire il termine noto" <<"\n";
cin >> tn;
cout <<"inserire la seconda equazione " <<"\n";
cout <<"inserire il coefficiente di z" <<"\n";
cin >> z;
cout <<"inserire il coefficiente di w" <<"\n";
cin >> w;
cout <<"inserire il termine noto" <<"\n";
cin >> tn2;
cout <<"inserire 1 se si vuole che il programma usi il sistema di riduzione, 2 per il sistema di sostituzione";
cin >> scelta;
if(scelta = 1){riduzione(); }
else if(scelta |= 1)
{
cout <<"inserire o 1 o 2";}
return 0;
}
void riduzione()
{
//crea l'oggetto prima del mcm
sistema aftermcm;
// coefficientei della prima equazione
aftermcm.coefficientex = x * z;
aftermcm.coefficientey = y + z;
aftermcm.coefficientetn = tn * z;
// coefficieti della seconda equazione
aftermcm.coefficientez = z * x;
aftermcm.coefficientew = w * x;
aftermcm.coefficientetn2 = tn2 * x;
cout <<"equazioni dopo il mcm";
cout <<"\n";
cout << aftermcm.coefficientex << "x" << "+" << aftermcm.coefficientey << "y" << "+" << aftermcm.coefficientetn << "=0";
cout <<"\n";
cout <<aftermcm.coefficientez <<"z" <<"+" <<aftermcm.coefficientew <<"w" <<"+" <<aftermcm.coefficientetn2 <<"=0";
cout <<"\n";
//crea l'oggetto dopo il mcm
sistema riduzione;
riduzione.coefficientex = aftermcm.coefficientex - aftermcm.coefficientez;
riduzione.coefficientey = aftermcm.coefficientey - aftermcm.coefficientew;
riduzione.coefficientetn = aftermcm.coefficientetn - aftermcm.coefficientetn2;
//visualizza il risultato della riduzione
cout << "equazione dopo la riduzione";
cout <<"\n";
cout << riduzione.coefficientex <<"x" << "+" << riduzione.coefficientey <<"y" <<"=" <<riduzione.coefficientetn ;
cout <<"\n" <<"la y" <<"\n" ;
y = -riduzione.coefficientetn / riduzione.coefficientey;
cout << y;
cout <<" la x" ;
x = (riduzione.coefficientey * y) + riduzione.coefficientetn;
cout << x;
}
questo invece è il codice dell'header
#pragma once
namespace sistemi1 {
using namespace System;
using namespace System::ComponentModel;
using namespace System::Collections;
using namespace System::Windows::Forms;
using namespace System::Data;
using namespace System::Drawing;
/// <summary>
/// Summary for Form1
///
/// WARNING: If you change the name of this class, you will need to change the
/// 'Resource File Name' property for the managed resource compiler tool
/// associated with all .resx files this class depends on. Otherwise,
/// the designers will not be able to interact properly with localized
/// resources associated with this form.
/// </summary>
public ref class Form1 : public System::Windows::Forms::Form
{
public:
Form1(void)
{
InitializeComponent();
//
//TODO: Add the constructor code here
//
}
protected:
/// <summary>
/// Clean up any resources being used.
/// </summary>
~Form1()
{
if (components)
{
delete components;
}
}
private: System::Windows::Forms::Button^ button1;
protected:
private: System::Windows::Forms::TextBox^ textBox1;
private: System::Windows::Forms::TextBox^ textBox2;
private: System::Windows::Forms::TextBox^ textBox3;
private: System::Windows::Forms::TextBox^ textBox4;
private: System::Windows::Forms::MenuStrip^ menuStrip1;
private: System::Windows::Forms::ToolStripMenuItem^ fileToolStripMenuItem;
private: System::Windows::Forms::ToolStripMenuItem^ saveToolStripMenuItem;
private: System::Windows::Forms::ToolStripMenuItem^ stampaToolStripMenuItem;
private: System::Windows::Forms::ToolStripMenuItem^ helpToolStripMenuItem;
private: System::Windows::Forms::ToolStripMenuItem^ toolStripMenuItem1;
private: System::Windows::Forms::TextBox^ textBox5;
private: System::Windows::Forms::TextBox^ textBox6;
private: System::Windows::Forms::TextBox^ textBox7;
private:
/// <summary>
/// Required designer variable.
/// </summary>
System::ComponentModel::Container ^components;
#pragma region Windows Form Designer generated code
/// <summary>
/// Required method for Designer support - do not modify
/// the contents of this method with the code editor.
/// </summary>
void InitializeComponent(void)
{
this->button1 = (gcnew System::Windows::Forms::Button());
this->textBox1 = (gcnew System::Windows::Forms::TextBox());
this->textBox2 = (gcnew System::Windows::Forms::TextBox());
this->textBox3 = (gcnew System::Windows::Forms::TextBox());
this->textBox4 = (gcnew System::Windows::Forms::TextBox());
this->menuStrip1 = (gcnew System::Windows::Forms::MenuStrip());
this->fileToolStripMenuItem = (gcnew System::Windows::Forms::ToolStripMenuItem());
this->saveToolStripMenuItem = (gcnew System::Windows::Forms::ToolStripMenuItem());
this->stampaToolStripMenuItem = (gcnew System::Windows::Forms::ToolStripMenuItem());
this->helpToolStripMenuItem = (gcnew System::Windows::Forms::ToolStripMenuItem());
this->toolStripMenuItem1 = (gcnew System::Windows::Forms::ToolStripMenuItem());
this->textBox5 = (gcnew System::Windows::Forms::TextBox());
this->textBox6 = (gcnew System::Windows::Forms::TextBox());
this->textBox7 = (gcnew System::Windows::Forms::TextBox());
this->menuStrip1->SuspendLayout();
this->SuspendLayout();
//
// button1
//
this->button1->Location = System::Drawing::Point(194, 42);
this->button1->Name = L"button1";
this->button1->Size = System::Drawing::Size(86, 27);
this->button1->TabIndex = 0;
this->button1->Text = L"Riduzione";
this->button1->UseVisualStyleBackColor = true;
this->button1->Click += gcnew System::EventHandler(this, &Form1::button1_Click);
//
// textBox1
//
this->textBox1->Location = System::Drawing::Point(15, 42);
this->textBox1->Name = L"textBox1";
this->textBox1->Size = System::Drawing::Size(45, 20);
this->textBox1->TabIndex = 1;
this->textBox1->TextChanged += gcnew System::EventHandler(this, &Form1::textBox1_TextChanged);
//
// textBox2
//
this->textBox2->Location = System::Drawing::Point(66, 42);
this->textBox2->Name = L"textBox2";
this->textBox2->Size = System::Drawing::Size(45, 20);
this->textBox2->TabIndex = 2;
//
// textBox3
//
this->textBox3->Location = System::Drawing::Point(120, 42);
this->textBox3->Name = L"textBox3";
this->textBox3->Size = System::Drawing::Size(45, 20);
this->textBox3->TabIndex = 3;
//
// textBox4
//
this->textBox4->Location = System::Drawing::Point(15, 116);
this->textBox4->Multiline = true;
this->textBox4->Name = L"textBox4";
this->textBox4->Size = System::Drawing::Size(259, 145);
this->textBox4->TabIndex = 4;
//
// menuStrip1
//
this->menuStrip1->Items->AddRange(gcnew cli::array< System::Windows::Forms::ToolStripItem^ >(3) {this->fileToolStripMenuItem,
this->helpToolStripMenuItem, this->toolStripMenuItem1});
this->menuStrip1->Location = System::Drawing::Point(0, 0);
this->menuStrip1->Name = L"menuStrip1";
this->menuStrip1->Size = System::Drawing::Size(286, 24);
this->menuStrip1->TabIndex = 5;
this->menuStrip1->Text = L"menuStrip1";
//
// fileToolStripMenuItem
//
this->fileToolStripMenuItem->DropDownItems->AddRange(gcnew cli::array< System::Windows::Forms::ToolStripItem^ >(2) {this->saveToolStripMenuItem,
this->stampaToolStripMenuItem});
this->fileToolStripMenuItem->Name = L"fileToolStripMenuItem";
this->fileToolStripMenuItem->Size = System::Drawing::Size(35, 20);
this->fileToolStripMenuItem->Text = L"File";
//
// saveToolStripMenuItem
//
this->saveToolStripMenuItem->Name = L"saveToolStripMenuItem";
this->saveToolStripMenuItem->Size = System::Drawing::Size(121, 22);
this->saveToolStripMenuItem->Text = L"save";
//
// stampaToolStripMenuItem
//
this->stampaToolStripMenuItem->Name = L"stampaToolStripMenuItem";
this->stampaToolStripMenuItem->Size = System::Drawing::Size(121, 22);
this->stampaToolStripMenuItem->Text = L"Stampa";
//
// helpToolStripMenuItem
//
this->helpToolStripMenuItem->Name = L"helpToolStripMenuItem";
this->helpToolStripMenuItem->Size = System::Drawing::Size(39, 20);
this->helpToolStripMenuItem->Text = L"help";
//
// toolStripMenuItem1
//
this->toolStripMenuItem1->Name = L"toolStripMenuItem1";
this->toolStripMenuItem1->Size = System::Drawing::Size(24, 20);
this->toolStripMenuItem1->Text = L"\?";
//
// textBox5
//
this->textBox5->Location = System::Drawing::Point(15, 75);
this->textBox5->Name = L"textBox5";
this->textBox5->Size = System::Drawing::Size(45, 20);
this->textBox5->TabIndex = 6;
//
// textBox6
//
this->textBox6->Location = System::Drawing::Point(66, 75);
this->textBox6->Name = L"textBox6";
this->textBox6->Size = System::Drawing::Size(45, 20);
this->textBox6->TabIndex = 7;
//
// textBox7
//
this->textBox7->Location = System::Drawing::Point(120, 75);
this->textBox7->Name = L"textBox7";
this->textBox7->Size = System::Drawing::Size(45, 20);
this->textBox7->TabIndex = 8;
//
// Form1
//
this->AutoScaleDimensions = System::Drawing::SizeF(6, 13);
this->AutoScaleMode = System::Windows::Forms::AutoScaleMode::Font;
this->ClientSize = System::Drawing::Size(286, 273);
this->Controls->Add(this->textBox1);
this->Controls->Add(this->textBox7);
this->Controls->Add(this->textBox6);
this->Controls->Add(this->textBox5);
this->Controls->Add(this->textBox4);
this->Controls->Add(this->textBox3);
this->Controls->Add(this->textBox2);
this->Controls->Add(this->button1);
this->Controls->Add(this->menuStrip1);
this->MainMenuStrip = this->menuStrip1;
this->Name = L"Form1";
this->Text = L"Form1";
this->menuStrip1->ResumeLayout(false);
this->menuStrip1->PerformLayout();
this->ResumeLayout(false);
this->PerformLayout();
}
#pragma endregion
private: System::Void textBox1_TextChanged(System::Object^ sender, System::EventArgs^ e) {
}
private: System::Void button1_Click(System::Object^ sender, System::EventArgs^ e) {
}
};
}
e questo è ciò che viene fuori!
[img=http://img207.imageshack.us/img207/300/form1rr5.th.jpg] (http://img207.imageshack.us/my.php?image=form1rr5.jpg)