/// <summary>
/// Applies one or more path information configurations
/// </summary>
/// <param name="pathInfos">An array of path information configuration</param>
/// <param name="flags">DisplayConfigFlags flags</param>
public static void SetDisplaysConfig(PathInfo[] pathInfos, DisplayConfigFlags flags)
{
try
{
var configsV2 = pathInfos.Select(config => config.GetPathInfoV2()).Cast <IPathInfo>().ToArray();
DisplayApi.SetDisplayConfig(configsV2, flags);
configsV2.DisposeAll();
}
catch (NVIDIAApiException ex)
{
if (ex.Status != Status.IncompatibleStructureVersion)
{
throw;
}
}
catch (NVIDIANotSupportedException)
{
// ignore
}
var configsV1 = pathInfos.Select(config => config.GetPathInfoV1()).Cast <IPathInfo>().ToArray();
DisplayApi.SetDisplayConfig(configsV1, flags);
configsV1.DisposeAll();
}
/// <summary>
/// This API lets caller apply a global display configuration across multiple GPUs.
/// If all sourceIds are zero, then NvAPI will pick up sourceId's based on the following criteria :
/// - If user provides SourceModeInfo then we are trying to assign 0th SourceId always to GDIPrimary.
/// This is needed since active windows always moves along with 0th sourceId.
/// - For rest of the paths, we are incrementally assigning the SourceId per adapter basis.
/// - If user doesn't provide SourceModeInfo then NVAPI just picks up some default SourceId's in incremental order.
/// Note : NVAPI will not intelligently choose the SourceIDs for any configs that does not need a modeset.
/// </summary>
/// <param name="pathInfos">Array of path information</param>
/// <param name="flags">Flags for applying settings</param>
/// <exception cref="NVIDIANotSupportedException">This operation is not supported.</exception>
/// <exception cref="NVIDIAApiException">Status.ApiNotInitialized: NVAPI not initialized</exception>
/// <exception cref="NVIDIAApiException">Status.Error: Miscellaneous error occurred</exception>
/// <exception cref="NVIDIAApiException">Status.InvalidArgument: Invalid input parameter.</exception>
public static void SetDisplayConfig(IPathInfo[] pathInfos, DisplayConfigFlags flags)
{
var setDisplayConfig = DelegateFactory.Get <Delegates.Display.NvAPI_DISP_SetDisplayConfig>();
if ((pathInfos.Length > 0) && !setDisplayConfig.Accepts().Contains(pathInfos[0].GetType()))
{
throw new NVIDIANotSupportedException("This operation is not supported.");
}
using (var arrayReference = ValueTypeArray.FromArray(pathInfos.Cast <object>()))
{
var status = setDisplayConfig((uint)pathInfos.Length, arrayReference, flags);
if (status != Status.Ok)
{
throw new NVIDIAApiException(status);
}
}
}
