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#include <windows.h>
#include <stdlib.h>
//#include "vncOSVersion.h"
typedef BOOL (WINAPI* pEnumDisplayDevices)(PVOID,DWORD,PVOID,DWORD);
/*bool CheckDriver2(void)
{
SC_HANDLE schMaster;
SC_HANDLE schSlave;
schMaster = OpenSCManager (NULL, NULL, SC_MANAGER_ALL_ACCESS);
schSlave = OpenService (schMaster, "vnccom", SERVICE_ALL_ACCESS);
if (schSlave == NULL)
{
CloseServiceHandle(schMaster);
return false;
}
else
{
CloseServiceHandle (schSlave);
CloseServiceHandle(schMaster);
return true;
}
}*/
///////////////////////////////////////////////////////////////////
BOOL GetDllProductVersion(char* dllName, char *vBuffer, int size)
{
char *versionInfo;
void *lpBuffer;
unsigned int cBytes;
DWORD rBuffer;
if( !dllName || !vBuffer )
return(FALSE);
// DWORD sName = GetModuleFileName(NULL, fileName, sizeof(fileName));
// FYI only
DWORD sVersion = GetFileVersionInfoSize(dllName, &rBuffer);
if (sVersion==0) return (FALSE);
versionInfo = new char[sVersion];
BOOL resultVersion = GetFileVersionInfo(dllName,
NULL,
sVersion,
versionInfo);
BOOL resultValue = VerQueryValue(versionInfo,
TEXT("\\StringFileInfo\\040904b0\\ProductVersion"),
&lpBuffer,
&cBytes);
if( !resultValue )
{
resultValue = VerQueryValue(versionInfo,TEXT("\\StringFileInfo\\000004b0\\ProductVersion"),
&lpBuffer,
&cBytes);
}
if( resultValue )
{
strncpy(vBuffer, (char *) lpBuffer, size);
delete versionInfo;
return(TRUE);
}
else
{
*vBuffer = '\0';
delete versionInfo;
return(FALSE);
}
}
///////////////////////////////////////////////////////////////////
bool
CheckVideoDriver(bool Box)
{
typedef BOOL (WINAPI* pEnumDisplayDevices)(PVOID,DWORD,PVOID,DWORD);
HDC m_hrootdc=NULL;
pEnumDisplayDevices pd;
static const char* 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");
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((char*)"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");
MessageBox(NULL,buf,"driver info: required version 1.22",0);
}
return true;
//deviceName = (LPSTR)&dd.DeviceName[0];
//m_hrootdc = CreateDC("DISPLAY",deviceName,NULL,NULL);
//if (m_hrootdc) DeleteDC(m_hrootdc);
}
else if(Box) MessageBox(NULL,"Driver not found: Perhaps you need to reboot after install","driver info: required version 1.22",0);
}
if (hUser32) FreeLibrary(hUser32);
return false;
}
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