/// <summary>
/// Get a list of all connected display devices on this GPU
/// </summary>
/// <param name="flags">ConnectedIdsFlag flag</param>
/// <returns>An array of display devices</returns>
public DisplayDevice[] GetConnectedDisplayDevices(ConnectedIdsFlag flags)
{
return(GPUApi.GetConnectedDisplayIds(Handle, flags).Select(display => new DisplayDevice(display)).ToArray());
}
/// <summary>
/// Due to space limitation GetConnectedOutputs() can return maximum 32 devices, but this is no longer true for DPMST.
/// GetConnectedDisplayIds() will return all the connected display devices in the form of displayIds for the associated
/// gpuHandle.
/// This function can accept set of flags to request cached, un-cached, sli and lid to get the connected devices.
/// Default value for flags will be cached.
/// </summary>
/// <param name="gpuHandle">Physical GPU handle to get information about</param>
/// <param name="flags">ConnectedIdsFlag flags</param>
/// <returns>An array of display identifications and their attributes</returns>
/// <exception cref="NVIDIANotSupportedException">This operation is not supported.</exception>
/// <exception cref="NVIDIAApiException">Status.InvalidArgument: gpuHandle is invalid</exception>
/// <exception cref="NVIDIAApiException">Status.NvidiaDeviceNotFound: No NVIDIA GPU driving a display was found</exception>
/// <exception cref="NVIDIAApiException">Status.ExpectedPhysicalGPUHandle: gpuHandle was not a physical GPU handle</exception>
/// <exception cref="Exception">A delegate callback throws an exception.</exception>
public static DisplayIdsV2[] GetConnectedDisplayIds(PhysicalGPUHandle gpuHandle, ConnectedIdsFlag flags)
{
var gpuGetConnectedDisplayIds =
DelegateFactory.GetDelegate <Delegates.GPU.NvAPI_GPU_GetConnectedDisplayIds>();
if (!gpuGetConnectedDisplayIds.Accepts().Contains(typeof(DisplayIdsV2)))
{
throw new NVIDIANotSupportedException("This operation is not supported.");
}
uint count = 0;
var status = gpuGetConnectedDisplayIds(gpuHandle, ValueTypeArray.Null, ref count, flags);
if (status != Status.Ok)
{
throw new NVIDIAApiException(status);
}
if (count == 0)
{
return(new DisplayIdsV2[0]);
}
using (
var displayIds =
ValueTypeArray.FromArray(typeof(DisplayIdsV2).Instantiate <DisplayIdsV2>().Repeat((int)count)))
{
status = gpuGetConnectedDisplayIds(gpuHandle, displayIds, ref count, flags);
if (status != Status.Ok)
{
throw new NVIDIAApiException(status);
}
return(displayIds.ToArray <DisplayIdsV2>((int)count));
}
}
