КАЗАНЬ - 2013

Задача № 1

1. Постановка задачи.

Составить программу калькулятор.

 

2. Листинг программы.

 

#pragma once

 

namespace калькулятор {

 

using namespace System;

using namespace System::ComponentModel;

using namespace System::Collections;

using namespace System::Windows::Forms;

using namespace System::Data;

using namespace System::Drawing;

 

 

public ref class Form1: public System::Windows::Forms::Form

{

public:

Form1(void)

{

InitializeComponent();

 

ac=0;

fd=true;

label1->Text="0";

}

 

protected:

 

~Form1()

{

if (components)

{

delete components;

}

}

private: System::Windows::Forms::Label^ label1;

protected:

private: System::Windows::Forms::Button^ button1;

private: System::Windows::Forms::Button^ button2;

private: System::Windows::Forms::Button^ button3;

private: System::Windows::Forms::Button^ button4;

private: System::Windows::Forms::Button^ button5;

private: System::Windows::Forms::Button^ button6;

private: System::Windows::Forms::Button^ button7;

private: System::Windows::Forms::Button^ button8;

private: System::Windows::Forms::Button^ button9;

private: System::Windows::Forms::Button^ button10;

private: System::Windows::Forms::Button^ button11;

private: System::Windows::Forms::Button^ button12;

private: System::Windows::Forms::Button^ button13;

private: System::Windows::Forms::Button^ button14;

private: System::Windows::Forms::Button^ button15;

private: System::Windows::Forms::Button^ button16;

private: System::Windows::Forms::Button^ button17;

 

private:

 

System::ComponentModel::Container ^components;

double ac;

int op;

bool fd;

 

#pragma region Windows Form Designer generated code

 

void InitializeComponent(void)

{

this->label1 = (gcnew System::Windows::Forms::Label());

this->button1 = (gcnew System::Windows::Forms::Button());

this->button2 = (gcnew System::Windows::Forms::Button());

this->button3 = (gcnew System::Windows::Forms::Button());

this->button4 = (gcnew System::Windows::Forms::Button());

this->button5 = (gcnew System::Windows::Forms::Button());

this->button6 = (gcnew System::Windows::Forms::Button());

this->button7 = (gcnew System::Windows::Forms::Button());

this->button8 = (gcnew System::Windows::Forms::Button());

this->button9 = (gcnew System::Windows::Forms::Button());

this->button10 = (gcnew System::Windows::Forms::Button());

this->button11 = (gcnew System::Windows::Forms::Button());

this->button12 = (gcnew System::Windows::Forms::Button());

this->button13 = (gcnew System::Windows::Forms::Button());

this->button14 = (gcnew System::Windows::Forms::Button());

this->button15 = (gcnew System::Windows::Forms::Button());

this->button16 = (gcnew System::Windows::Forms::Button());

this->button17 = (gcnew System::Windows::Forms::Button());

this->SuspendLayout();

//

// label1

//

this->label1->BorderStyle = System::Windows::Forms::BorderStyle::Fixed3D;

this->label1->Location = System::Drawing::Point(13, 9);

this->label1->Name = L"label1";

this->label1->Size = System::Drawing::Size(177, 19);

this->label1->TabIndex = 0;

this->label1->Text = L"label1";

//

// button1

//

this->button1->Location = System::Drawing::Point(13, 35);

this->button1->Name = L"button1";

this->button1->Size = System::Drawing::Size(55, 23);

this->button1->TabIndex = 1;

this->button1->Tag = L"7";

this->button1->Text = L"7";

this->button1->UseVisualStyleBackColor = true;

this->button1->Click += gcnew System::EventHandler(this, &Form1::button10_Click);

//

// button2

//

this->button2->Location = System::Drawing::Point(13, 64);

this->button2->Name = L"button2";

this->button2->Size = System::Drawing::Size(55, 23);

this->button2->TabIndex = 2;

this->button2->Tag = L"4";

this->button2->Text = L"4";

this->button2->UseVisualStyleBackColor = true;

this->button2->Click += gcnew System::EventHandler(this, &Form1::button10_Click);

//

// button3

//

this->button3->Location = System::Drawing::Point(13, 93);

this->button3->Name = L"button3";

this->button3->Size = System::Drawing::Size(55, 23);

this->button3->TabIndex = 3;

this->button3->Tag = L"1";

this->button3->Text = L"1";

this->button3->UseVisualStyleBackColor = true;

this->button3->Click += gcnew System::EventHandler(this, &Form1::button10_Click);

//

// button4

//

this->button4->Location = System::Drawing::Point(74, 35);

this->button4->Name = L"button4";

this->button4->Size = System::Drawing::Size(55, 23);

this->button4->TabIndex = 4;

this->button4->Tag = L"8";

this->button4->Text = L"8";

this->button4->UseVisualStyleBackColor = true;

this->button4->Click += gcnew System::EventHandler(this, &Form1::button10_Click);

//

// button5

//

this->button5->Location = System::Drawing::Point(74, 64);

this->button5->Name = L"button5";

this->button5->Size = System::Drawing::Size(55, 23);

this->button5->TabIndex = 5;

this->button5->Tag = L"5";

this->button5->Text = L"5";

this->button5->UseVisualStyleBackColor = true;

this->button5->Click += gcnew System::EventHandler(this, &Form1::button10_Click);

//

// button6

//

this->button6->Location = System::Drawing::Point(74, 93);

this->button6->Name = L"button6";

this->button6->Size = System::Drawing::Size(55, 23);

this->button6->TabIndex = 6;

this->button6->Tag = L"2";

this->button6->Text = L"2";

this->button6->UseVisualStyleBackColor = true;

this->button6->Click += gcnew System::EventHandler(this, &Form1::button10_Click);

//

// button7

//

this->button7->Location = System::Drawing::Point(135, 35);

this->button7->Name = L"button7";

this->button7->Size = System::Drawing::Size(55, 23);

this->button7->TabIndex = 7;

this->button7->Tag = L"9";

this->button7->Text = L"9";

this->button7->UseVisualStyleBackColor = true;

this->button7->Click += gcnew System::EventHandler(this, &Form1::button10_Click);

//

// button8

//

this->button8->Location = System::Drawing::Point(135, 64);

this->button8->Name = L"button8";

this->button8->Size = System::Drawing::Size(55, 23);

this->button8->TabIndex = 8;

this->button8->Tag = L"6";

this->button8->Text = L"6";

this->button8->UseVisualStyleBackColor = true;

this->button8->Click += gcnew System::EventHandler(this, &Form1::button10_Click);

//

// button9

//

this->button9->Location = System::Drawing::Point(135, 93);

this->button9->Name = L"button9";

this->button9->Size = System::Drawing::Size(55, 23);

this->button9->TabIndex = 9;

this->button9->Tag = L"3";

this->button9->Text = L"3";

this->button9->UseVisualStyleBackColor = true;

this->button9->Click += gcnew System::EventHandler(this, &Form1::button10_Click);

//

// button10

//

this->button10->Location = System::Drawing::Point(13, 122);

this->button10->Name = L"button10";

this->button10->Size = System::Drawing::Size(55, 23);

this->button10->TabIndex = 10;

this->button10->Tag = L"0";

this->button10->Text = L"0";

this->button10->UseVisualStyleBackColor = true;

this->button10->Click += gcnew System::EventHandler(this, &Form1::button10_Click);

//

// button11

//

this->button11->Location = System::Drawing::Point(74, 122);

this->button11->Name = L"button11";

this->button11->Size = System::Drawing::Size(55, 23);

this->button11->TabIndex = 11;

this->button11->Tag = L"-1";

this->button11->Text = L",";

this->button11->UseVisualStyleBackColor = true;

this->button11->Click += gcnew System::EventHandler(this, &Form1::button10_Click);

//

// button12

//

this->button12->Location = System::Drawing::Point(197, 122);

this->button12->Name = L"button12";

this->button12->Size = System::Drawing::Size(55, 23);

this->button12->TabIndex = 12;

this->button12->Tag = L"-2";

this->button12->Text = L"=";

this->button12->UseVisualStyleBackColor = true;

this->button12->Click += gcnew System::EventHandler(this, &Form1::button10_Click);

//

// button13

//

this->button13->Location = System::Drawing::Point(135, 122);

this->button13->Name = L"button13";

this->button13->Size = System::Drawing::Size(56, 23);

this->button13->TabIndex = 13;

this->button13->Tag = L"-5";

this->button13->Text = L"C";

this->button13->UseVisualStyleBackColor = true;

this->button13->Click += gcnew System::EventHandler(this, &Form1::button10_Click);

//

// button14

//

this->button14->Location = System::Drawing::Point(196, 64);

this->button14->Name = L"button14";

this->button14->Size = System::Drawing::Size(56, 23);

this->button14->TabIndex = 14;

this->button14->Tag = L"-6";

this->button14->Text = L"*";

this->button14->UseVisualStyleBackColor = true;

this->button14->Click += gcnew System::EventHandler(this, &Form1::button10_Click);

//

// button15

//

this->button15->Location = System::Drawing::Point(196, 35);

this->button15->Name = L"button15";

this->button15->Size = System::Drawing::Size(56, 23);

this->button15->TabIndex = 15;

this->button15->Tag = L"-4";

this->button15->Text = L"-";

this->button15->UseVisualStyleBackColor = true;

this->button15->Click += gcnew System::EventHandler(this, &Form1::button10_Click);

//

// button16

//

this->button16->Location = System::Drawing::Point(196, 5);

this->button16->Name = L"button16";

this->button16->Size = System::Drawing::Size(56, 23);

this->button16->TabIndex = 16;

this->button16->Tag = L"-3";

this->button16->Text = L"+";

this->button16->UseVisualStyleBackColor = true;

this->button16->Click += gcnew System::EventHandler(this, &Form1::button10_Click);

//

// button17

//

this->button17->Location = System::Drawing::Point(196, 93);

this->button17->Name = L"button17";

this->button17->Size = System::Drawing::Size(56, 23);

this->button17->TabIndex = 17;

this->button17->Tag = L"-7";

this->button17->Text = L"/";

this->button17->UseVisualStyleBackColor = true;

this->button17->Click += gcnew System::EventHandler(this, &Form1::button10_Click);

//

// Form1

//

this->AutoScaleDimensions = System::Drawing::SizeF(6, 13);

this->AutoScaleMode = System::Windows::Forms::AutoScaleMode::Font;

this->ClientSize = System::Drawing::Size(270, 165);

this->Controls->Add(this->button17);

this->Controls->Add(this->button16);

this->Controls->Add(this->button15);

this->Controls->Add(this->button14);

this->Controls->Add(this->button13);

this->Controls->Add(this->button12);

this->Controls->Add(this->button11);

this->Controls->Add(this->button10);

this->Controls->Add(this->button9);

this->Controls->Add(this->button8);

this->Controls->Add(this->button7);

this->Controls->Add(this->button6);

this->Controls->Add(this->button5);

this->Controls->Add(this->button4);

this->Controls->Add(this->button3);

this->Controls->Add(this->button2);

this->Controls->Add(this->button1);

this->Controls->Add(this->label1);

this->Name = L"Form1";

this->Text = L"Form1";

this->Load += gcnew System::EventHandler(this, &Form1::Form1_Load);

this->ResumeLayout(false);

 

}

#pragma endregion

private: System::Void button10_Click(System::Object^ sender, System::EventArgs^ e) {

System::Windows::Forms::Button ^btn;

btn=(Button^)sender;

if(Convert::ToInt32(btn->Tag)>0)

{

if(fd)

{label1->Text=btn->Text;

fd=false;

}

else

label1->Text+=btn->Text;

return;

}

if(Convert::ToInt32(btn->Tag)==0)

{

if(fd)label1->Text=btn->Text;

if(label1->Text!="0")

label1->Text+=btn->Text;

return;

}

if(Convert::ToInt32(btn->Tag)==-1)

{

if(fd)

{

label1->Text="0,";

fd=false;}

else

if(label1->Text->IndexOf(",")==-1)

label1->Text+=btn->Text;

return;

}

if(Convert::ToInt32(btn->Tag)==-5)

{

ac=0;

op=0;

label1->Text="0";

fd=true;

return;}

if(Convert::ToInt32(btn->Tag)<-1)

{

double n;

n=Convert::ToDouble(label1->Text);

if(ac!=0)

{

switch(op)

{

case-3:ac+=n;break;

case-4:ac-=n;break;

case-2:ac=n;break;

case-7:ac/=n;break;

case-6:ac*=n;break;

}

label1->Text=ac.ToString("N");

}

else

ac=n;

op=Convert::ToInt32(btn->Tag);

fd=true;

}}

 

 

private: System::Void Form1_Load(System::Object^ sender, System::EventArgs^ e) {

}

};

}

 

3.Входные величины: необходимо набрать с клавиатуры нужные данные.

 

4.Выходные величины:

 

 

 

5.Вывод. При выполнении работы мы приобрели навыки программирования в приложении Windows Forms.