public DdcMonitorItem(
string deviceInstanceId,
string description,
byte displayIndex,
byte monitorIndex,
SafePhysicalMonitorHandle handle)
{
_handle = handle ?? throw new ArgumentNullException(nameof(handle));
if (string.IsNullOrWhiteSpace(deviceInstanceId))
{
throw new ArgumentNullException(nameof(deviceInstanceId));
}
if (string.IsNullOrWhiteSpace(description))
{
throw new ArgumentNullException(nameof(description));
}
DeviceInstanceId = deviceInstanceId;
Description = description;
DisplayIndex = displayIndex;
MonitorIndex = monitorIndex;
}
/// <summary>
/// Sets raw brightness not represented in percentage.
/// </summary>
/// <param name="physicalMonitorHandle">Physical monitor handle</param>
/// <param name="brightness">Raw brightness (not always 0 to 100)</param>
/// <param name="useLowLevel">Whether to use low level function</param>
/// <returns>True if successfully sets</returns>
public static bool SetBrightness(SafePhysicalMonitorHandle physicalMonitorHandle, uint brightness)
{
if (physicalMonitorHandle is null)
{
throw new ArgumentNullException(nameof(physicalMonitorHandle));
}
if (physicalMonitorHandle.IsClosed)
{
Debug.WriteLine("Failed to set brightness. The physical monitor handle has been closed.");
return(false);
}
if (!SetMonitorBrightness(
physicalMonitorHandle,
brightness))
{
Debug.WriteLine($"Failed to set brightness. ");
return(false);
}
return(true);
}
private static extern bool SetMonitorBrightness(
SafePhysicalMonitorHandle hMonitor,
uint dwNewBrightness);
private static extern bool GetMonitorBrightness(
SafePhysicalMonitorHandle hMonitor,
out uint pdwMinimumBrightness,
out uint pdwCurrentBrightness,
out uint pdwMaximumBrightness);
private static extern bool GetMonitorCapabilities(
SafePhysicalMonitorHandle hMonitor,
out MC_CAPS pdwMonitorCapabilities,
out MC_SUPPORTED_COLOR_TEMPERATURE pdwSupportedColorTemperatures);
