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#include<windows.h>

#include<gl.h>

#include<glu.h>

#include<glut.h>

void Display(void);

void myInit(void);

int main(int argc,char **argv)

{

    glutInit(&argc,argv);

    glutInitDisplayMode(GLUT_SINGLE|GLUT_RGB);

    glutInitWindowSize(400,300);

   

       glutInitWindowPosition(0,0);

       glutCreateWindow("MY FIRST LINE");

                myInit();

         glutDisplayFunc(Display);

                glutMainLoop();

                return 0;

}

void myInit(void)

{

                glClearColor(1.0,1.0,1.0,0.0);

         glColor3f(1.0,0.0,0.0);

                glMatrixMode(GL_PROJECTION);

                glLoadIdentity();

                gluOrtho2D(0.0,800.0,0.0,600.0);

}

void Display(void)

{

     glClear(GL_COLOR_BUFFER_BIT);

                 glBegin(GL_LINES);

                 glVertex2f(0,0);

     glVertex2f(800,600);

                 glEnd();

                 glFlush();

}