Clear Screen

[Submerge]

How do you guys go about clearing the screen on a C++ application since there is no official way to do it. I'd just like to know the best way since im starting out.
:cheers:

my teacher is talking about a header file:
#include <msoftcon.cpp>

but she says it doesn't always work and it's not accepted officially in c++ books cuz it has errors. anyone got an error free way?

 

[dbsynergy]

are we talking about a console app? of so,

system("cls");

I think that is right, you may not need the quotes.

 

[rootbin]

VOID g_Application::ClearScreen()
{
DDBLTFX clsBltFX;
ZeroMemory(&clsBltFX, sizeof(clsBltFX));
clsBltFX.dwSize = sizeof(clsBltFX);
lpddsBack->Blt(0, 0, 0, DDBLT_COLORFILL | DDBLT_WAIT, &clsBltFX);
}




edit: btw that code is a copyrighted part of my upcoming game, avanti

 

[khaki]

for ( int i = 0; i < 100; i++ )
{
cout << endl;
}

(joking)

 

[Submerge]

^wat does that do...im just starting out so im not that much knowing of everything u stated.

 

[Submerge]

Originally posted by rootbin
VOID g_Application::ClearScreen()
{
DDBLTFX clsBltFX;
ZeroMemory(&clsBltFX, sizeof(clsBltFX));
clsBltFX.dwSize = sizeof(clsBltFX);
lpddsBack->Blt(0, 0, 0, DDBLT_COLORFILL | DDBLT_WAIT, &clsBltFX);
}




edit: btw that code is a copyrighted part of my upcoming game, avanti

thus i can't use it right.

 

[khaki]

Originally posted by Submerge
^wat does that do...im just starting out so im not that much knowing of everything u stated.

It sends a 100 blank lines to the console screen. Though thats not a very efficient way of clearing the screen, it works.

Here is a more efficient answer. http://faq.cprogramming.com/cgi-bin/smartfaq.cgi?answer=1031963460&id=1043284385

 

[rootbin]

Originally posted by Submerge
thus i can't use it right.

it was sarcasm. that's all directx code.

 

[Syko]

Yeah the DirectX bit won't help you much lol...

There's some bass-ackwards way that M$ lets you do it with their weird console API stuff, or, yeah, you can use

system("cls");

...which will run the "cls" command, which clears the screen. I remember seeing a clrscr() function or something a long time ago, but MSVC didn't support it. Maybe it was just a Borland thing...

-Syko

 

[CyberSh33p]

clrscr, I remember using that when I was learning c. which was only last year. So, clrscr should work, at least if you are using gcc.

 

[Impute]

Originally posted by khaki
for ( int i = 0; i < 100; i++ )
{
cout << endl;
}

(joking)

lol

 

[Evgeny]

what about just #include <conio.h> clrscr(); or are we talking about win32 programs here?

 

[Vextor]

clsscr worked under the djgpp compiler, and that used a mainstream standard didn't it? That SHOULD work.