C program to hide the mouse pointers.

C program to hide the mouse pointers.
In this program, we hide the mouse pointers using graphics.h and dos.h library functions.
To use graphics.h, we have to install the drivers in to the the system by using the initgraph() function.
In this program,we also check the condition that mouse pointer is available or not. Read more about C Programming Language . and read the C Programming Language (2nd Edition). by K and R.

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***********************************************************/

#include<graphics.h>
#include<conio.h>
#include<dos.h>

void showmouseptr();
void hidemouseptr();

union REGS i, o;

int main()
{
int count = 1, gd = DETECT, gm;

initgraph(&gd,&gm,"C:\TC\BGI");/*check your path, to install the drivers in to the the system*/

i.x.ax = 0;
int86(0X33,&i,&o);
if(o.x.ax == 0)
{
printf("nt Sorry! Mouse support not available !");
}
else
{
showmouseptr();

while(count<=10)
{
getch();
count++;
if(count%2==0)
hidemouseptr();
else
showmouseptr();
}
}

getch();
return 0;
}


void showmouseptr()
{
i.x.ax = 1;
int86(0X33,&i,&o);
}

void hidemouseptr()
{
i.x.ax = 2; // to hide mouse
int86(0X33,&i,&o);
}
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C Program to change the text colors.

Write a C Program to change the text colors.
In this program, we give the example of changing the text colors, background colors using conio.h library.
Syntax: void textcolor(int_color);
Here color is the integer variable, you can specify a color name also, but it should be a proper color name in capital letters.
Read more about C Programming Language . and read the C Programming Language (2nd Edition). by K and R.

/***********************************************************
* You can use all the programs on www.c-program-example.com
* for personal and learning purposes. For permissions to use the
* programs for commercial purposes,
* contact info@c-program-example.com
* To find more C programs, do visit www.c-program-example.com
* and browse!
*
* Happy Coding
***********************************************************/

#include<stdio.h>
#include<conio.h>
int main()
{
clrscr();
textcolor(BLUE); // Change font colour to blue
textbackground(WHITE); //change the background colour to white
cprintf("Color is Blue with white backgroundnn");
clrscr();
textcolor(RED+BLINK);//this one is blinking the text
cprintf("Color is RED with blinkingnn");
return 0;
}
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Graphics in C

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C Aptitude 
 

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