C#

Jax_qqq wrote:

did u mean i should creat custom scroll bars.

:-O/////////////////////////////////////////////////////////<br />
//<br />
// ГЛАВА:     1<br />
// НОМЕР:     2<br />
// АЛГОРИТЪМ: Решаване на квадратно уравнение<br />
//<br />
/////////////////////////////////////////////////////////<br />
<br />
#include <math.h><br />
#include <iostream><br />
<br />
using namespace std;<br />
<br />
int main( void )<br />
{<br />
    float a, b, c; // Vhodni promenlivi<br />
<br />
	float x1Real, x1Imaginary; // Koreni X1<br />
	float x2Real, x2Imaginary; // Koreni X2<br />
<br />
    double D; // Determinant<br />
<br />
    cout << "Enter variable a: ";<br />
    cin >> a;<br />
<br />
    cout << "Enter variable b: ";<br />
    cin >> b;<br />
<br />
    cout << "Enter variable c: ";<br />
    cin >> c;<br />
<br />
    if ( a==0 )<br />
    {<br />
        if ( b==0 )<br />
        {<br />
            if ( c==0 )<br />
                cout << "\nInfinite number of solutions" << endl << endl;<br />
            else<br />
                cout << "\nNo solutions" << endl << endl;<br />
        }<br />
        else<br />
        {<br />
			x1Real = -b/c;<br />
			cout << endl << " Result: xl real = " << x1Real << endl << endl;<br />
        }<br />
    }<br />
    else<br />
    {<br />
        D = b*b - 4*a*c;<br />
        if( D >= 0 )<br />
        { <br />
			// Realni koreni<br />
            D = sqrt (D) ;<br />
            if( b >=0 )<br />
                x1Real = (-b-D)/(2*a); /* rl */<br />
            else<br />
                x1Real = (-b+D)/(2*a); /* r2 */<br />
            x2Real = c/(x1Real*a);<br />
<br />
			// Razpechatay rezultata<br />
			cout << endl;<br />
			cout << " Result: xl real = " << x1Real << endl;<br />
			cout << "         x2 real = " << x2Real << endl << endl;<br />
        }<br />
        else<br />
        { <br />
			// Imaginerni koreni<br />
            x1Real = -b/ (2*a) ;<br />
            x2Real = -x1Real;<br />
<br />
            x1Imaginary = sqrt(-D);<br />
            x2Imaginary = -x1Imaginary;<br />
<br />
			// Razpechatay rezultata<br />
			cout << endl;<br />
			cout << " Result: xl real      = " << x1Real << endl;<br />
			cout << "         x1 imaginary = " << x1Imaginary << endl;<br />
            cout << "         x2 real      = " << x2Real << endl;<br />
			cout << "         x2 imaginary = " << x2Imaginary << endl << endl;<br />
        }<br />
    }<br />
}

string[] newLines = (string[])(this.richTextBox.Lines.Clone());
newLines[2] = "row 3";
this.richTextBox.Lines = newLines