PointF Visual C++

 

date.h 

#pragma once

int tab1[40];

int tab2[40];

int tab3[40];

void m_Isort(int* tab, int s)

{

int i, j, k;

for (i = 1; i < s; i++)

{

j = i;

k = tab[j];

while ((j > 0) && (tab[j - 1] > k))

{

tab[j] = tab[j - 1];

j--;

}

tab[j] = k;

}

}

Form1.h

#pragma once

#include <stdlib.h>

#include <time.h>

#include "date.h"

#pragma endregion

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

int i;

srand(time(NULL));

dataGridView1->ColumnCount = 40;

dataGridView1->RowCount = 2;

for (i = 0; i < 40; i++)

dataGridView1->Columns[i]->Width = 30;

}

private: System::Void button2_Click(System::Object^ sender, System::EventArgs^ e) {

Close();

}

private: System::Void button1_Click(System::Object^ sender, System::EventArgs^ e) {

int max_X = panel1->Width;

int max_Y = panel1->Height;

int min_X, min_Y,i,j,k,l;

min_X = min_Y = 1;

Graphics^ gr = panel1->CreateGraphics();

Pen^ my_Pen = gcnew Pen(System::Drawing::Color::Blue);

array<System::Drawing::PointF>^ xy = gcnew array<System::Drawing::PointF>(40);

my_Pen->Width = 3;

for (i = 0; i < 40; i++)

{

k = rand() % max_X + min_X;

l = rand() % max_Y + min_Y;

tab1[i] = k;

tab2[i] = l;

}

m_Isort(tab1, 40);

m_Isort(tab2, 40);

for (i = 0; i < 40; i++)

tab3[i] = max_Y - tab2[i];

for (i = 0; i < 40; i++)

{

dataGridView1->Rows[0]->Cells[i]->Value = tab1[i].ToString();

dataGridView1->Rows[1]->Cells[i]->Value = tab2[i].ToString();

xy[i].X = tab1[i];

xy[i].Y = tab3[i];

}

gr->DrawCurve(my_Pen, xy);

}

};

}