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hathor
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Verfasst: So 13.10.13 23:37
GetMonitorCapabilities function
Retrieves the configuration capabilities of a monitor. Call this function to find out which high-level monitor configuration functions are supported by the monitor.
Requirements: Minimum supported client: Windows Vista
msdn.microsoft.com/e...40%28v=vs.85%29.aspx
WmiSetBrightness method of the WmiMonitorBrightnessMethods class
msdn.microsoft.com/e...49%28v=vs.85%29.aspx
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| program SETBright;
{$APPTYPE CONSOLE}
uses SysUtils, ActiveX, Variants, ComObj;
var dark : Integer; darkStr : String;
procedure SetBrightness(Timeout : Integer; Brightness : Byte); var FSWbemLocator : OLEVariant; FWMIService : OLEVariant; FWbemObjectSet: OLEVariant; FWbemObject : OLEVariant; oEnum : IEnumvariant; iValue : LongWord; begin; FSWbemLocator := CreateOleObject('WbemScripting.SWbemLocator'); FWMIService := FSWbemLocator.ConnectServer('localhost', 'root\WMI', '', ''); FWbemObjectSet:= FWMIService.ExecQuery('SELECT * FROM WmiMonitorBrightnessMethods Where Active=True','WQL',$00000020); oEnum := IUnknown(FWbemObjectSet._NewEnum) as IEnumVariant; while oEnum.Next(1, FWbemObject, iValue) = 0 do begin FWbemObject.WmiSetBrightness(Timeout, Brightness); FWbemObject:=Unassigned; end; end;
begin if ParamCount = 1 then begin darkStr := paramstr(1); dark:= StrToInt(darkStr); end else dark:=40; try CoInitialize(nil); try SetBrightness(5, dark); finally CoUninitialize; end; except on E:EOleException do Writeln(Format('EOleException %s %x', [E.Message,E.ErrorCode])); on E:Exception do Writeln(E.Classname, ':', E.Message); end; Writeln('Press Enter to exit'); Readln; end. |
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Zuletzt bearbeitet von hathor am Di 15.10.13 20:10, insgesamt 2-mal bearbeitet
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jaenicke
Beiträge: 19284
Erhaltene Danke: 1742
W11 x64 (Chrome, Edge)
Delphi 11 Pro, Oxygene, C# (VS 2022), JS/HTML, Java (NB), PHP, Lazarus
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Verfasst: Mo 14.10.13 11:34
Ich hätte das so gemacht, davon direkt mit den Variants zu arbeiten halte ich nicht so viel: 1: 2: 3: 4: 5: 6: 7: 8: 9: 10: 11: 12: 13: 14: 15: 16: 17: 18: 19: 20: 21: 22: 23: 24: 25: 26: 27: 28: 29: 30: 31: 32: 33: 34: 35: 36: 37: 38: 39: 40: 41:
| program Project14;
{$APPTYPE CONSOLE}
uses SysUtils, Variants, ActiveX, ComObj, WbemScripting_TLB in '..\12.0\Imports\WbemScripting_TLB.pas';
var WmiLocator: ISWbemLocator; WmiServices: ISWbemServices; MonitorBrightnessMethods: ISWbemObject; SetBrightnessInParams: ISWbemObject;
begin try CoInitialize(nil); try WmiLocator := CoSWbemLocator.Create; WmiServices := WmiLocator.ConnectServer('localhost', 'root\WMI', '', '', '', '', 0, nil); MonitorBrightnessMethods := WmiServices.Get('WmiMonitorBrightnessMethods', 0, nil);
SetBrightnessInParams := MonitorBrightnessMethods.Methods_.Item('WmiSetBrightness', 0).InParameters.SpawnInstance_(0); SetBrightnessInParams.Properties_.Add('Timeout', wbemCimtypeUint32, false, 0).Set_Value(1000); SetBrightnessInParams.Properties_.Add('Brightness', wbemCimtypeUint8, false, 0).Set_Value(100);
MonitorBrightnessMethods.ExecMethod_('WmiSetBrightness', SetBrightnessInParams, 0, nil); finally CoUninitialize; end; except on E: EOleException do Writeln(Format('%s: %s %x', [E.Classname, E.Message, E.ErrorCode])); on E: Exception do Writeln(Format('%s: %s', [E.Classname, E.Message])); end;
end. | Allerdings kommt da bei mir beim Ausführen, dass die Methode ungültige Parameter bekommen hätte. Ich weiß gerade nicht warum...
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