static byte[] QueryAvailableBrightnessLevels()
{
byte[] BrightnessLevels = new byte[0];
System.Management.ManagementScope ManScope = new System.Management.ManagementScope("ROOT\\WMI");
System.Management.SelectQuery ManQuery = new System.Management.SelectQuery("WmiMonitorBrightness");
System.Management.ManagementObjectSearcher ManObjS = new System.Management.ManagementObjectSearcher(ManScope, ManQuery);
try
{
System.Management.ManagementObjectCollection ManObjC = ManObjS.Get();
foreach (System.Management.ManagementObject ManObject in ManObjC)
{
BrightnessLevels = (byte[])ManObject.GetPropertyValue("Level");
break;
}
ManObjC.Dispose();
ManObjS.Dispose();
}
catch (Exception VideoException)
{
MessageBox.Show("Unable to get available brightness levels. The video card may not support this feature or the driver is not installed. Error: " + VideoException.Message, "BControl", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
return(BrightnessLevels);
}
static void injectBrightnessWithValue(byte brightness)
{
System.Management.ManagementScope ManScope = new System.Management.ManagementScope("ROOT\\WMI");
System.Management.SelectQuery ManQuery = new System.Management.SelectQuery("WmiMonitorBrightnessMethods");
System.Management.ManagementObjectSearcher ManObjS = new System.Management.ManagementObjectSearcher(ManScope, ManQuery);
System.Management.ManagementObjectCollection ManObjC = ManObjS.Get();
foreach (System.Management.ManagementObject ManObject in ManObjC)
{
ManObject.InvokeMethod("WmiSetBrightness", new Object[] { UInt32.MaxValue, brightness });
break;
}
ManObjC.Dispose();
ManObjS.Dispose();
}
static int FetchCurrentBrightness()
{
byte CurrentBrightness = 0;
System.Management.ManagementScope ManScope = new System.Management.ManagementScope("ROOT\\WMI");
System.Management.SelectQuery ManQuery = new System.Management.SelectQuery("WmiMonitorBrightness");
System.Management.ManagementObjectSearcher ManObjS = new System.Management.ManagementObjectSearcher(ManScope, ManQuery);
System.Management.ManagementObjectCollection ManObjC = ManObjS.Get();
foreach (System.Management.ManagementObject ManObject in ManObjC)
{
CurrentBrightness = (byte)ManObject.GetPropertyValue("CurrentBrightness");
break;
}
ManObjC.Dispose();
ManObjS.Dispose();
return((int)CurrentBrightness);
}
