Write Attribute to an .xmp (xml) File


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Hello!

I want to change in a ". Xmp" file attributes, but unfortunately my xml knowledge is very modest. So it would be great if I could find a solution for it.

Specifically i want to update the "crs:Temperature="5650"" attribute with a new Value.
(Below is the file)
But for now i could not finde a method that works in vb.net

I would be glad to get help!
Thank you!


PS.: sorry for my bad english!

Code:
<x:xmpmeta xmlns:x="adobe:ns:meta/" x:xmptk="Adobe XMP Core 5.3-c007 1.136881, 2010/06/10-18:11:35        ">
 <rdf:RDF xmlns:rdf="org/1999/02/22-rdf-syntax-ns#">
  <rdf:Description rdf:about=""
    xmlns:tiff="//ns.adobe.com/tiff/1.0/"
    xmlns:exif="//ns.adobe.com/exif/1.0/"
    xmlns:xmp="/ns.adobe.com/xap/1.0/"
    xmlns:aux="/ns.adobe.com/exif/1.0/aux/"
    xmlns:photoshop="//ns.adobe.com/photoshop/1.0/"
    xmlns:xmpMM="/ns.adobe.com/xap/1.0/mm/"
    xmlns:stEvt="/ns.adobe.com/xap/1.0/sType/ResourceEvent#"
    xmlns:dc="/purl.org/dc/elements/1.1/"
    xmlns:crs="/ns.adobe.com/camera-raw-settings/1.0/"
   tiff:Make="NIKON CORPORATION"
   tiff:Model="NIKON D90"
   tiff:Orientation="1"
   tiff:ImageWidth="4288"
   tiff:ImageLength="2848"
   exif:ExifVersion="0221"
   exif:ExposureTime="1/80"
   exif:ShutterSpeedValue="6321928/1000000"
   exif:FNumber="8/1"
   exif:ApertureValue="6/1"
   exif:ExposureProgram="1"
   exif:ExposureBiasValue="0/6"
   exif:MaxApertureValue="36/10"
   exif:MeteringMode="5"
   exif:LightSource="10"
   exif:FocalLength="100/10"
   exif:SensingMethod="2"
   exif:FileSource="3"
   exif:SceneType="1"
   exif:FocalLengthIn35mmFilm="15"
   exif:CustomRendered="0"
   exif:ExposureMode="1"
   exif:WhiteBalance="1"
   exif:SceneCaptureType="0"
   exif:GainControl="0"
   exif:Contrast="0"
   exif:Saturation="0"
   exif:Sharpness="0"
   exif:SubjectDistanceRange="0"
   exif:DigitalZoomRatio="1/1"
   exif:DateTimeOriginal="2012-10-13T18:37:33.00"
   exif:PixelXDimension="4288"
   exif:PixelYDimension="2848"
   xmp:CreatorTool="Ver.1.00"
   xmp:ModifyDate="2012-10-13T18:37:33.00"
   xmp:CreateDate="2012-10-13T18:37:33.00"
   xmp:MetadataDate="2012-10-17T14:53:52+02:00"
   aux:SerialNumber="6015224"
   aux:LensInfo="100/10 240/10 35/10 45/10"
   aux:Lens="10.0-24.0 mm f/3.5-4.5"
   aux:LensID="161"
   aux:ImageNumber="38819"
   aux:ApproximateFocusDistance="4294967295/1"
   photoshop:DateCreated="2012-10-13T18:37:33.00"
   xmpMM:DocumentID="7A76B48A85ECB30D91391281BA98A764"
   xmpMM:OriginalDocumentID="7A76B48A85ECB30D91391281BA98A764"
   xmpMM:InstanceID="xmp.iid:E0FACEB35918E211A70889BAA84919F3"
   dc:format="image/x-nikon-nef"
   crs:Version="7.1"
   crs:ProcessVersion="6.7"
   crs:WhiteBalance="As Shot"
   crs:Temperature="5650"
   crs:Tint="-9"
   crs:Saturation="0"
   crs:Sharpness="25"
   crs:LuminanceSmoothing="0"
   crs:ColorNoiseReduction="25"
   crs:VignetteAmount="0"
   crs:ShadowTint="0"
   crs:RedHue="0"
   crs:RedSaturation="0"
   crs:GreenHue="0"
   crs:GreenSaturation="0"
   crs:BlueHue="0"
   crs:BlueSaturation="0"
   crs:Vibrance="0"
   crs:HueAdjustmentRed="0"
   crs:HueAdjustmentOrange="0"
   crs:HueAdjustmentYellow="0"
   crs:HueAdjustmentGreen="0"
   crs:HueAdjustmentAqua="0"
   crs:HueAdjustmentBlue="0"
   crs:HueAdjustmentPurple="0"
   crs:HueAdjustmentMagenta="0"
   crs:SaturationAdjustmentRed="0"
   crs:SaturationAdjustmentOrange="0"
   crs:SaturationAdjustmentYellow="0"
   crs:SaturationAdjustmentGreen="0"
   crs:SaturationAdjustmentAqua="0"
   crs:SaturationAdjustmentBlue="0"
   crs:SaturationAdjustmentPurple="0"
   crs:SaturationAdjustmentMagenta="0"
   crs:LuminanceAdjustmentRed="0"
   crs:LuminanceAdjustmentOrange="0"
   crs:LuminanceAdjustmentYellow="0"
   crs:LuminanceAdjustmentGreen="0"
   crs:LuminanceAdjustmentAqua="0"
   crs:LuminanceAdjustmentBlue="0"
   crs:LuminanceAdjustmentPurple="0"
   crs:LuminanceAdjustmentMagenta="0"
   crs:SplitToningShadowHue="0"
   crs:SplitToningShadowSaturation="0"
   crs:SplitToningHighlightHue="0"
   crs:SplitToningHighlightSaturation="0"
   crs:SplitToningBalance="0"
   crs:ParametricShadows="0"
   crs:ParametricDarks="0"
   crs:ParametricLights="0"
   crs:ParametricHighlights="0"
   crs:ParametricShadowSplit="25"
   crs:ParametricMidtoneSplit="50"
   crs:ParametricHighlightSplit="75"
   crs:SharpenRadius="+1.0"
   crs:SharpenDetail="25"
   crs:SharpenEdgeMasking="0"
   crs:PostCropVignetteAmount="0"
   crs:GrainAmount="0"
   crs:ColorNoiseReductionDetail="50"
   crs:LensProfileEnable="1"
   crs:LensManualDistortionAmount="0"
   crs:PerspectiveVertical="0"
   crs:PerspectiveHorizontal="0"
   crs:PerspectiveRotate="0.0"
   crs:PerspectiveScale="100"
   crs:AutoLateralCA="0"
   crs:Exposure2012="0.00"
   crs:Contrast2012="0"
   crs:Highlights2012="0"
   crs:Shadows2012="0"
   crs:Whites2012="0"
   crs:Blacks2012="0"
   crs:Clarity2012="0"
   crs:DefringePurpleAmount="0"
   crs:DefringePurpleHueLo="30"
   crs:DefringePurpleHueHi="70"
   crs:DefringeGreenAmount="0"
   crs:DefringeGreenHueLo="40"
   crs:DefringeGreenHueHi="60"
   crs:ConvertToGrayscale="False"
   crs:ToneCurveName2012="Linear"
   crs:CameraProfile="Camera Vivid"
   crs:LensProfileSetup="LensDefaults"
   crs:LensProfileName="Adobe (Nikon AF-S DX NIKKOR 10-24mm f/3.5-4.5G ED)"
   crs:LensProfileFilename="NIKON D90 (Nikon AF-S DX NIKKOR 10-24mm f3.5-4.5G ED) - RAW.lcp"
   crs:LensProfileDigest="F763F5EAF1DDDC85FE5563CFB5F17607"
   crs:LensProfileDistortionScale="100"
   crs:LensProfileChromaticAberrationScale="100"
   crs:LensProfileVignettingScale="100"
   crs:HasSettings="True"
   crs:AlreadyApplied="False"
   crs:RawFileName="DSC_6270.NEF">
   <exif:ISOSpeedRatings>
    <rdf:Seq>
     <rdf:li>200</rdf:li>
    </rdf:Seq>
   </exif:ISOSpeedRatings>
   <exif:Flash
    exif:Fired="False"
    exif:Return="0"
    exif:Mode="0"
    exif:Function="False"
    exif:RedEyeMode="False"/>
   <xmpMM:History>
    <rdf:Seq>
     <rdf:li
      stEvt:action="saved"
      stEvt:instanceID="xmp.iid:E0FACEB35918E211A70889BAA84919F3"
      stEvt:when="2012-10-17T14:53:52+02:00"
      stEvt:softwareAgent="Adobe Photoshop Lightroom 4.1 (Windows)"
      stEvt:changed="/metadata"/>
    </rdf:Seq>
   </xmpMM:History>
   <crs:ToneCurvePV2012>
    <rdf:Seq>
     <rdf:li>0, 0</rdf:li>
     <rdf:li>255, 255</rdf:li>
    </rdf:Seq>
   </crs:ToneCurvePV2012>
   <crs:ToneCurvePV2012Red>
    <rdf:Seq>
     <rdf:li>0, 0</rdf:li>
     <rdf:li>255, 255</rdf:li>
    </rdf:Seq>
   </crs:ToneCurvePV2012Red>
   <crs:ToneCurvePV2012Green>
    <rdf:Seq>
     <rdf:li>0, 0</rdf:li>
     <rdf:li>255, 255</rdf:li>
    </rdf:Seq>
   </crs:ToneCurvePV2012Green>
   <crs:ToneCurvePV2012Blue>
    <rdf:Seq>
     <rdf:li>0, 0</rdf:li>
     <rdf:li>255, 255</rdf:li>
    </rdf:Seq>
   </crs:ToneCurvePV2012Blue>
  </rdf:Description>
 </rdf:RDF>
</x:xmpmeta>
 
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