Leider kann man mit dem Befehl "mode con: cols=80 lines=25 nur die Buffer-Size der Console ändern.
Mit folgendem C++ Programm kann man beides ändern:
// usage: prog.exe width height [bufferWidth bufferHeight]
#include <windows.h>
#include <stdio.h>
void main(int argc, char *argv[])
{
short ww, hh, wb, hb;
if (argc == 3)
{
ww = atoi(argv[1]);
hh = atoi(argv[2]);
wb = ww;
hb = hh;
}
else if (argc == 5)
{
ww = atoi(argv[1]);
hh = atoi(argv[2]);
wb = max(atoi(argv[3]), ww);
hb = max(atoi(argv[4]), hh);
}
else
{
printf("Wrong Arguments");
exit(1);
}
COORD coord = { wb, hb };
SMALL_RECT rmin = { 0, 0, 1, 1 };
SMALL_RECT rect = { 0, 0, ww-1, hh-1 };
HANDLE Handle = GetStdHandle(STD_OUTPUT_HANDLE);
SetConsoleWindowInfo(Handle, TRUE, &rmin);
SetConsoleScreenBufferSize(Handle, coord); // bufferSize >= windowSize
SetConsoleWindowInfo(Handle, TRUE, &rect);
exit(0);
}