bool
CheckVideoDriver(bool Box)
{
typedef BOOL (WINAPI* pEnumDisplayDevices)(PVOID,DWORD,PVOID,DWORD);
pEnumDisplayDevices pd=NULL;
LPSTR driverName = "mv video hook driver2";
BOOL DriverFound;
DEVMODE devmode;
FillMemory(&devmode, sizeof(DEVMODE), 0);
devmode.dmSize = sizeof(DEVMODE);
devmode.dmDriverExtra = 0;
/*BOOL change = */EnumDisplaySettings(NULL,ENUM_CURRENT_SETTINGS,&devmode);
devmode.dmFields = DM_BITSPERPEL | DM_PELSWIDTH | DM_PELSHEIGHT;
HMODULE hUser32=LoadLibrary("USER32");
if (hUser32) pd = (pEnumDisplayDevices)GetProcAddress( hUser32, "EnumDisplayDevicesA");
if (pd)
{
LPSTR deviceName=NULL;
DISPLAY_DEVICE dd;
ZeroMemory(&dd, sizeof(dd));
dd.cb = sizeof(dd);
devmode.dmDeviceName[0] = '\0';
INT devNum = 0;
BOOL result;
DriverFound=false;
while ((result = (*pd)(NULL,devNum, &dd,0)))
{
if (strcmp((const char *)&dd.DeviceString[0], driverName) == 0)
{
DriverFound=true;
break;
}
devNum++;
}
if (DriverFound)
{
if (hUser32) FreeLibrary(hUser32);
if(Box)
{
char buf[512];
GetDllProductVersion("mv2.dll",buf,512);
if (dd.StateFlags & DISPLAY_DEVICE_ATTACHED_TO_DESKTOP)
{
strcat(buf," driver Active");
HDC testdc=NULL;
deviceName = (LPSTR)&dd.DeviceName[0];
testdc = CreateDC("DISPLAY",deviceName,NULL,NULL);
if (testdc)
{
DeleteDC(testdc);
strcat(buf," access ok");
}
else
{
strcat(buf," access denied, permission problem");
}
}
else
strcat(buf," driver Not Active");
MessageBoxSecure(NULL,buf,"driver info: required version 1.22",0);
}
return true;
}
else if(Box) MessageBoxSecure(NULL,"Driver not found: Perhaps you need to reboot after install","driver info: required version 1.22",0);
}
if (hUser32) FreeLibrary(hUser32);
return false;
}
bool
CheckVideoDriver(bool Box)
{
char DriverFileName1[MAX_PATH];
char DriverFileName2[MAX_PATH];
char DriverFileName3[MAX_PATH];
char text [MAX_PATH*3];
char buffer1[256];
char buffer2[256];
char buffer3[256];
bool b1,b2,b3,b4,active,active2;
b1=false;
b2=false;
b3=false;
b4=false;
active=false;
active2=false;
GetSystemDirectory(DriverFileName1, MAX_PATH);
GetSystemDirectory(DriverFileName2, MAX_PATH);
GetSystemDirectory(DriverFileName3, MAX_PATH);
strcat(DriverFileName1,"\\vncdrv.dll");
strcat(DriverFileName2,"\\Drivers\\vnccom.SYS");
strcat(DriverFileName3,"\\Drivers\\vncdrv.SYS");
GetDllProductVersion(DriverFileName1,buffer1,254);
GetDllProductVersion(DriverFileName2,buffer2,254);
GetDllProductVersion(DriverFileName3,buffer3,254);
if (strcmp(buffer1,"1.00.18")==NULL) b1=true;
if (strcmp(buffer2,"1.0.0.17")==NULL) b2=true;
if (strcmp(buffer3,"1.00.17")==NULL) b3=true;
if (ExistDriver()) b4=true;
if (b1 && b2 && b3 && b4)
{
if (IsDriverActive()) active=true;
if (CheckDriver2()) active2=true;
}
if (Box)
{
strcpy(text,DriverFileName1);
strcat(text," Version: ");
strcat(text,buffer1);
strcat(text,"\n");
strcat(text,DriverFileName2);
strcat(text," Version: ");
strcat(text,buffer2);
strcat(text,"\n");
strcat(text,DriverFileName3);
strcat(text," Version: ");
strcat(text,buffer3);
strcat(text,"\n");
strcat(text,"\n");
if (b4)
{
strcat(text,"Driver EXIST");
strcat(text,"\n");
}
else
{
strcat(text,"Driver NOT Installed");
strcat(text,"\n");
}
if (active2)
{
strcat(text,"Communication service EXIST");
strcat(text,"\n");
}
else
{
strcat(text,"Communication service NOT Installed ");
strcat(text,"\n");
strcat(text,"or can not be checked (Application mode, non admin) ");
strcat(text,"\n");
}
if (active)
{
strcat(text,"Driver current ACTIVE");
strcat(text,"\n");
}
else
{
strcat(text,"Driver current not ACTIVE");
strcat(text,"\n");
}
MessageBox(NULL,text,"Driver Test",0);
}
if (b1 && b2 && b3 && b4) return true;
else return false;
}
