private static uint GetMonitorCapabilities(PHYSICAL_MONITOR physicalMonitor)
{
uint dwMonitorCapabilities, dwSupportedColorTemperatures;
if (!GetMonitorCapabilities(physicalMonitor.hPhysicalMonitor, out dwMonitorCapabilities, out dwSupportedColorTemperatures))
{
throw new Win32Exception(Marshal.GetLastWin32Error());
}
return(dwMonitorCapabilities);
}
public static double GetMonitorContrast(PHYSICAL_MONITOR physicalMonitor)
{
uint dwMinimumContrast, dwCurrentContrast, dwMaximumContrast;
if (!GetMonitorContrast(physicalMonitor.hPhysicalMonitor, out dwMinimumContrast, out dwCurrentContrast, out dwMaximumContrast))
{
throw new Win32Exception(Marshal.GetLastWin32Error());
}
return((double)(dwCurrentContrast - dwMinimumContrast) / (double)(dwMaximumContrast - dwMinimumContrast));
}
public static double GetMonitorBrightness(PHYSICAL_MONITOR physicalMonitor)
{
uint dwMinimumBrightness, dwCurrentBrightness, dwMaximumBrightness;
if (!GetMonitorBrightness(physicalMonitor.hPhysicalMonitor, out dwMinimumBrightness, out dwCurrentBrightness, out dwMaximumBrightness))
{
throw new Win32Exception(Marshal.GetLastWin32Error());
}
return((double)(dwCurrentBrightness - dwMinimumBrightness) / (double)(dwMaximumBrightness - dwMinimumBrightness));
}
public static void SetMonitorContrast(PHYSICAL_MONITOR physicalMonitor, double contrast)
{
uint dwMinimumContrast, dwCurrentContrast, dwMaximumContrast;
if (!GetMonitorContrast(physicalMonitor.hPhysicalMonitor, out dwMinimumContrast, out dwCurrentContrast, out dwMaximumContrast))
{
throw new Win32Exception(Marshal.GetLastWin32Error());
}
if (!SetMonitorContrast(physicalMonitor.hPhysicalMonitor, (uint)(dwMinimumContrast + (dwMaximumContrast - dwMinimumContrast) * contrast)))
{
throw new Win32Exception(Marshal.GetLastWin32Error());
}
}
public static void SetMonitorBrightness(PHYSICAL_MONITOR physicalMonitor, double brightness)
{
uint dwMinimumBrightness, dwCurrentBrightness, dwMaximumBrightness;
if (!GetMonitorBrightness(physicalMonitor.hPhysicalMonitor, out dwMinimumBrightness, out dwCurrentBrightness, out dwMaximumBrightness))
{
throw new Win32Exception(Marshal.GetLastWin32Error());
}
if (!SetMonitorBrightness(physicalMonitor.hPhysicalMonitor, (uint)(dwMinimumBrightness + (dwMaximumBrightness - dwMinimumBrightness) * brightness)))
{
throw new Win32Exception(Marshal.GetLastWin32Error());
}
}
public static PHYSICAL_MONITOR[] GetPhysicalMonitors(IntPtr hMonitor)
{
uint dwNumberOfPhysicalMonitors;
if (!GetNumberOfPhysicalMonitorsFromHMONITOR(hMonitor, out dwNumberOfPhysicalMonitors))
{
throw new Win32Exception(Marshal.GetLastWin32Error());
}
PHYSICAL_MONITOR[] physicalMonitorArray = new PHYSICAL_MONITOR[dwNumberOfPhysicalMonitors];
if (!GetPhysicalMonitorsFromHMONITOR(hMonitor, dwNumberOfPhysicalMonitors, physicalMonitorArray))
{
throw new Win32Exception(Marshal.GetLastWin32Error());
}
return(physicalMonitorArray);
}
public static bool GetContrastSupport(PHYSICAL_MONITOR physicalMonitor)
{
return((GetMonitorCapabilities(physicalMonitor) & MC_CAPS_CONTRAST) != 0);
}
public static bool GetBrightnessSupport(PHYSICAL_MONITOR physicalMonitor)
{
return((GetMonitorCapabilities(physicalMonitor) & MC_CAPS_BRIGHTNESS) != 0);
}