Standalone ParsecVDD, create virtual display without Parsec, upto 4K 2160p@240hz.
Notice: this is an exploit, tools used: IDA Pro and API Monitor v2.
Download and install ParsecVDD:
Use this interface GUID to get device handle.
const GUID PARSEC_VDD_DEVINTERFACE = \
{ 0x00b41627, 0x04c4, 0x429e, { 0xa2, 0x6e, 0x02, 0x65, 0xcf, 0x50, 0xc8, 0xfa } };
HANDLE device = OpenDeviceHandle(PARSEC_VDD_DEVINTERFACE);- Try this function to create
OpenDeviceHandle(GUID): https://github.com/fufesou/RustDeskIddDriver/blob/fc152f4282cc167b0bb32aa12c97c90788f32c3d/RustDeskIddApp/IddController.c#L722 - Or hard code 😀 with this file path
\\?\root#display#%(DISPLAY_INDEX)#{00b41627-04c4-429e-a26e-0265cf50c8fa}
Here's the way to control VDD:
enum VddCtlCode {
IOCTL_VDD_CONNECT = 0x22A008,
IOCTL_VDD_ADD = 0x22E004,
IOCTL_VDD_UPDATE = 0x22A00C,
};
void VddIoCtl(HANDLE vdd, VddCtlCode code) {
BYTE InBuffer[32]{};
int OutBuffer = 0;
OVERLAPPED Overlapped{};
DWORD NumberOfBytesTransferred;
Overlapped.hEvent = CreateEventW(NULL, NULL, NULL, NULL);
DeviceIoControl(vdd, code, InBuffer, _countof(InBuffer), &OutBuffer, sizeof(OutBuffer), NULL, &Overlapped);
GetOverlappedResult(vdd, &Overlapped, &NumberOfBytesTransferred, TRUE);
if (Overlapped.hEvent && Overlapped.hEvent != INVALID_HANDLE_VALUE)
CloseHandle(Overlapped.hEvent);
}And these are generic functions to interact with VDD:
void VddThread(HANDLE vdd, bool &running) {
// Plug in monitor.
VddIoCtl(vdd, IOCTL_VDD_CONNECT);
VddIoCtl(vdd, IOCTL_VDD_UPDATE);
VddIoCtl(vdd, IOCTL_VDD_ADD);
VddIoCtl(vdd, IOCTL_VDD_UPDATE);
// Keep monitor connection.
for (running = true; running; ) {
Sleep(100);
VddIoCtl(vdd, IOCTL_VDD_UPDATE);
}
}
bool PlugInMonitor(HANDLE &vdd, HANDLE &vddThread, bool &running) {
char devpath[1024];
for (int idx = 0; idx < 5; idx++) {
// Hardcode device path.
sprintf(devpath, "\\\\?\\root#display#000%d#%s", idx, "{00b41627-04c4-429e-a26e-0265cf50c8fa}");
vdd = CreateFileA(devpath, GENERIC_READ | GENERIC_WRITE, 0, NULL, OPEN_EXISTING, 0, NULL);
if (vdd && vdd != INVALID_HANDLE_VALUE) {
vddThread = CreateThread(VddThread);
return true;
}
}
return false;
}
void PlugOutMonitor(HANDLE vdd, HANDLE vddThread, bool &running) {
running = false;
WaitForSingleObject(vddThread, INFINITE);
// Reconnect to unplug monitor.
VddIoCtl(vdd, IOCTL_VDD_CONNECT);
CloseHandle(vdd);
}A simple usage:
int main()
{
bool running;
HANDLE vdd, vddThread;
if (PlugInMonitor(vdd, vddThread, running)) {
Sleep(5000);
PlugOutMonitor(vdd, vddThread, running);
}
}| Resolution | Name | Notes |
|---|---|---|
| 4096 x 2160 | DCI 4K | low GPUs may not support, e.g GTX 1650 |
| 3840 x 2160 | 4K UHD | (all) compatible refresh rates: 24/30/60/144/240hz |
| 3840 x 1600 | UltraWide 24:10 | |
| 3840 x 1080 | UltraWide 32:9 | |
| 3440 x 1440 | ||
| 3240 x 2160 | ||
| 3200 x 1800 | 3K 16:9 | |
| 3000 x 2000 | ||
| 2880 x 1800 | 2.8K 16:10 | |
| 2880 x 1620 | 2.8K 16:9 | |
| 2736 x 1824 | ||
| 2560 x 1600 | 2K 16:10 | |
| 2560 x 1440 | 2K 16:9 | |
| 2560 x 1080 | UltraWide 21:9 | |
| 2496 x 1664 | ||
| 2256 x 1504 | ||
| 2048 x 1152 | ||
| 1920 x 1200 | FHD 16:10 | |
| 1920 x 1080 | FHD 16:9 | |
| 1800 x 1200 | FHD 3:2 | |
| 1680 x 1050 | HD+ 16:10 | |
| 1600 x 1200 | HD+ 4:3 | |
| 1600 x 900 | HD+ 16:9 | |
| 1440 x 900 | HD 16:10 | |
| 1366 x 768 | ||
| 1280 x 800 | HD 16:10 | |
| 1280 x 720 | HD 16:9 |
Name: Parsec Virtual Display Adapter
Hardware ID: Root\Parsec\VDA
Adapter GUID: {00b41627-04c4-429e-a26e-0265cf50c8fa}
EDID:
00 FF FF FF FF FF FF 00 42 63 D0 CD ED 5F 84 00
11 1E 01 04 A5 35 1E 78 3B 57 E0 A5 54 4F 9D 26
12 50 54 27 CF 00 71 4F 81 80 81 40 81 C0 81 00
95 00 B3 00 01 01 86 6F 80 A0 70 38 40 40 30 20
35 00 E0 0E 11 00 00 1A 00 00 00 FD 00 30 A5 C1
C1 29 01 0A 20 20 20 20 20 20 00 00 00 FC 00 50
61 72 73 65 63 56 44 41 0A 20 20 20 00 00 00 10
00 00 00 00 00 00 00 00 00 00 00 00 00 00 01 C6
02 03 10 00 4B 90 05 04 03 02 01 11 12 13 14 1F
8A 4D 80 A0 70 38 2C 40 30 20 35 00 E0 0E 11 00
00 1A FE 5B 80 A0 70 38 35 40 30 20 35 00 E0 0E
11 00 00 1A FC 7E 80 88 70 38 12 40 18 20 35 00
E0 0E 11 00 00 1E A4 9C 80 A0 70 38 59 40 30 20
35 00 E0 0E 11 00 00 1A 02 3A 80 18 71 38 2D 40
58 2C 45 00 E0 0E 11 00 00 1E 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 A6
Visit http://www.edidreader.com/ to check online or use AW EDID Editor