Mine

BOOL LoadFile_(HWND edit,char *file){
     FILE * pFile;
     pFile = fopen(file,"rb");
     if(pFile!=NULL){
         fseek(pFile,0,SEEK_END);
         lSize = ftell(pFile);
         char *buff=(char*)malloc(lSize);
         rewind(pFile);
         fread(buff,1,lSize,pFile);
         SetWindowText(edit,buff);
         free(buff);

     }else return FALSE;
     fclose(pFile);
}