Hi
I want to use at the same time gui and page flipping.
But I have only one of them at the same time.
Is posible to use gui and page flipping together ?
How can I do that ?

Nothing change.
This is my code:

#include <iostream>
#include <allegro.h>
#include <winalleg.h>

/***************************************/
BITMAP *buffer;
BITMAP *page1, *page2;
BITMAP *active_page;
/***************************************/
//SURFACE class
class SURFACE{
public:
BITMAP *surface;
bool rysuj;

void loadimage(char* name);
void free();
void draw(int x,int y,int w,int h,int a,int b);
void TransparentDraw(int x,int y,int w,int h,int a,int b);
};
void SURFACE::loadimage(char* name)
{
rysuj=true;
surface = load_bitmap(name, NULL);
}
void SURFACE::free()
{
destroy_bitmap(surface);
}
void SURFACE::draw(int x,int y,int w,int h,int a,int b)
{

if(rysuj==true){blit(surface, active_page, a, b, x,y, w, h);}

}
void SURFACE::TransparentDraw(int x,int y,int w,int h,int a,int b)
{
if(rysuj==true){masked_blit(surface,active_page,a,b,x,y,w,h);}

}
//////////////////////////////////////////////
SURFACE image;

DIALOG the_dialog[] =
{
{ d_button_proc, 160, 40, 160, 20, 0, 0, 't', 0, 0, 0, (void*)"&Toggle Me!", (void*) NULL, (void*)NULL }

};
int main(void)
{

//init allegro
allegro_init();

install_timer();
install_keyboard();
install_mouse();
install_sound(DIGI_AUTODETECT,MIDI_AUTODETECT,"");

set_color_depth(16);
set_gfx_mode(GFX_AUTODETECT, 800,600,0,0);
set_palette(desktop_palette);

/* now create two video memory bitmaps for the page flipping */
page1 = create_video_bitmap(SCREEN_W, SCREEN_H);
page2 = create_video_bitmap(SCREEN_W, SCREEN_H);
active_page = page2;
clear_keybuf();

///////////////

image.loadimage("a.bmp");

gui_fg_color = makecol(0, 0, 0);
gui_mg_color = makecol(128, 128, 128);
gui_bg_color = makecol(200, 240, 200);
set_dialog_color(the_dialog, gui_fg_color, gui_bg_color);
the_dialog[0].bg = makecol(255, 255, 255);
position_dialog(the_dialog, 200, 2);

while(true)
{

// clear_bitmap(active_page);
/////////////////////

do_dialog(the_dialog, -1);
image.draw(0,0,100,100,0,0);
///////////////////
show_video_bitmap(active_page);
gui_set_screen(active_page);
if (active_page == page1)
active_page = page2;
else
active_page = page1;

if(key[KEY_ESC])break;

// }
}

image.free();
destroy_bitmap(page1);
destroy_bitmap(page2);
return 0;
}
END_OF_MAIN()

And do_dialog is blocking. It won't return until the dialog is closed.

I said to do this:

show_video_bitmap(active_page);
if (active_page == page1)
    active_page = page2;
else
    active_page = page1;
gui_set_screen(active_page);

KittyCat says to not use do_dialog and instead use these functions. You need to figure out how to use them yourself:

DIALOG_PLAYER *player = init_dialog(the_dialog, -1);

if(!update_dialog(player))
{
    // Do something with the dialog data
    shutdown_dialog(player);
}

Err, no. I don't have 7z, so I won't even speculate as to whether you gave a description of the problem.

Yes, because the dialog only draws once (on whichever bitmap was active at the time) until something makes it draw again. If you're not using a double buffer, you can call:
dialog_message
with MSG_DRAW right before update_dialog.

You're welcome, but be warned! We expect to see a completed game from you, with screenshots, soon!

The height of the font is constant. You have to make a bigger font yourself

Well if you find a program called "ttf2pcx" on the net and use that to make a font that Allegro can read, you can make fonts as big as you like.

I am using GCC compiler and I tried instal a MASkinG but I have some problems in build libary.
Is on the web a "MASkinG.a" for download ?

In the console I see "Makefiles configured.Now go to the src directory and run 'make' and 'make install' ". But when I go to src directory there isn't any exe files which can be run .:P

when I run make.exe in the command line I see "*** No targets. Stop." .

I try run make ,and the result was the same.
The directory is correct.