Building a standalone Windows C app

[Antonio Linares]

Sometimes we may need to build a small Windows app using C language to solve a specific issue. Here you have how to do it

A veces podemos necesitar construir una pequeña aplicación en Windows usando el lenguaje C para solucionar un tema específico. Aquí teneis como hacerlo

Simply do go.bat changeres (don't specify the .c extension)

Simplemente haz go.bat changeres (no especifiques la extensión .c)

go.bat

Code: Select all  Expand view  RUN

@ECHO OFF

set bcdir=c:\bcc7

%bcdir%\bin\bcc32 -c -I%bcdir%\include %1.c

IF EXIST %1.rc %bcdir%\bin\brc32 -r %1

echo %bcdir%\lib\c0w32.obj + > b32.bc
echo %1.obj, + >> b32.bc
echo %1.exe, + >> b32.bc
echo %1.map, + >> b32.bc

echo %bcdir%\lib\cw32.lib + >> b32.bc
echo %bcdir%\lib\import32.lib, >> b32.bc

IF EXIST %1.res echo %1.res >> b32.bc

%bcdir%\bin\ilink32 -Gn -aa -Tpe -s -v -L%bcdir%\lib @b32.bc
%1.exe

changeres.c

Code: Select all  Expand view  RUN

#include <windows.h>
#include <stdio.h>

#pragma argsused

int WINAPI WinMain( HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine,
                    int nCmdShow )
{
   DEVMODE dm;
   FILE * pFile = fopen( "resolution.txt", "w" );

   dm.dmSize = sizeof( DEVMODE );

   EnumDisplaySettings( NULL, ENUM_CURRENT_SETTINGS, &dm );

   fwprintf( pFile, L"%d x %d\n", dm.dmPelsWidth, dm.dmPelsHeight );

   fclose( pFile );

   dm.dmPelsWidth = 800;
   dm.dmPelsHeight = 600;

   ChangeDisplaySettings( &dm, DM_PELSWIDTH || DM_PELSHEIGHT );

   return 0;
}