Windows10 에서 모니터의 밝기를 조정하고 싶었습니다.
Windows10 Desktop 뿐만아닌 IoT 버전에서도 적용하고 싶었고, 많은 시행착오끝에 성공했습니다.
아래 소스를 공개합니다.
NuGet에서 System.Management를 설치해주셔야합니다.
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public class MonitorBirghtness
{
protected Thread mThread = null;
protected bool initBirghtness = false;
protected bool needMiniumBirghtness = false;
protected bool needMaxinumBirghtness = false;
protected bool needRecoveryBrightness = false;
protected bool needSetBrightness = false;
protected int setBrightness = 80;
protected int reverseBirghtness = 80;
protected int baseBrightness = 80;
public void bneedMiniumBirghtness() => needMiniumBirghtness = true;
public void bneedRecoveryBrightness() => needRecoveryBrightness = true;
public void ineedSetBrightness(int i)
{
needSetBrightness = true;
setBrightness = i;
}
public MonitorBirghtness(int _baseBrightness)
{
mThread = new Thread(run);
mThread.Start();
baseBrightness = _baseBrightness;
}
protected void run()
{
while (true)
{
try
{
if (!initBirghtness)
{
initBirghtness = true;
SetBrightness((byte)baseBrightness);
}
if (needSetBrightness)
{
needSetBrightness = false;
SetBrightness((byte)setBrightness);
}
if (needMiniumBirghtness)
{
needMiniumBirghtness = false;
reverseBirghtness = baseBrightness;
SetBrightness(0x01);
}
if (needRecoveryBrightness)
{
needRecoveryBrightness = false;
SetBrightness((byte)reverseBirghtness);
}
}
catch (Exception ex)
{
ILog logger = LogManager.GetLogger(this.GetType());
logger.Fatal("Brightness Manager Exception >>> " + ex.ToString() + " -> " + ex.StackTrace);
}
Thread.Sleep(1000);
}
}
//get the actual percentage of brightness
public static int GetCurrentBrightness()
{
//define scope (namespace)
System.Management.ManagementScope s = new System.Management.ManagementScope("root\\WMI");
//define query
System.Management.SelectQuery q = new System.Management.SelectQuery("WmiMonitorBrightness");
//output current brightness
System.Management.ManagementObjectSearcher mos = new System.Management.ManagementObjectSearcher(s, q);
System.Management.ManagementObjectCollection moc = mos.Get();
//store result
byte curBrightness = 0;
foreach (System.Management.ManagementObject o in moc)
{
curBrightness = (byte)o.GetPropertyValue("CurrentBrightness");
break; //only work on the first object
}
moc.Dispose();
mos.Dispose();
return (int)curBrightness;
}
//array of valid brightness values in percent
public static byte[] GetBrightnessLevels()
{
//define scope (namespace)
System.Management.ManagementScope s = new System.Management.ManagementScope("root\\WMI");
//define query
System.Management.SelectQuery q = new System.Management.SelectQuery("WmiMonitorBrightness");
//output current brightness
System.Management.ManagementObjectSearcher mos = new System.Management.ManagementObjectSearcher(s, q);
byte[] BrightnessLevels = new byte[0];
System.Management.ManagementObjectCollection moc = mos.Get();
//store result
foreach (System.Management.ManagementObject o in moc)
{
BrightnessLevels = (byte[])o.GetPropertyValue("Level");
break; //only work on the first object
}
moc.Dispose();
mos.Dispose();
return BrightnessLevels;
}
protected static void SetBrightness(byte targetBrightness)
{
//define scope (namespace)
System.Management.ManagementScope s = new System.Management.ManagementScope("root\\WMI");
//define query
System.Management.SelectQuery q = new System.Management.SelectQuery("WmiMonitorBrightnessMethods");
//output current brightness
System.Management.ManagementObjectSearcher mos = new System.Management.ManagementObjectSearcher(s, q);
System.Management.ManagementObjectCollection moc = mos.Get();
foreach (System.Management.ManagementObject o in moc)
{
o.InvokeMethod("WmiSetBrightness", new object[] { uint.MaxValue, targetBrightness });
//note the reversed order - won't work otherwise!
break; //only work on the first object
}
moc.Dispose();
mos.Dispose();
}
}
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cs |
setBrightness, reverseBirghtness, baseBrightness 등의 인자에는 1부터 100까지만 허용됩니다.
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