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This is performance issue using infragistics controls - Need help regarding this.
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Hi,

I am using the control Infragistics.Win.UltraWinTree.UltraTree to display xml nodes in to the GUI.
and using object of the class Infragistics.Win.UltraWinTree.UltraTreeNode to add child nodes and siblings their parent nodes to display into GUI.

I am using object of the class System.xml.XmlDocument to load XML file.

If data(properties) of particular node will be storing into structure array for later point of use.
For example : Element properties: Name, Type, MatchCreterion, DataStruct, Mandatory, Return are storing into structure object array. and will use later
Eg:
 <ElementList>
            <Element>
              <Name>MSC</Name>
              <Type>String</Type>
              <MatchCreterion>Prefix</MatchCreterion>
              <DataStruct />
              <Mandatory>True</Mandatory>
              <Return>Yes</Return>
            </Element>
            <Element>
              <Name>SME</Name>
              <Type>String</Type>
              <MatchCreterion>Prefix</MatchCreterion>
              <DataStruct />
              <Mandatory>True</Mandatory>
              <Return>Yes</Return>
            </Element>
          </ElementList>
Using for loop to add child nodes to their parent node. (Creating TreeNode objects and adding into their parent nodes).

Issue is Here:

If I am trying to load 10 MB xml file, it is taking 20 minutes time to load that file and CPU usage 100% for loading that file. After that system is becoming very slow.

Please provide the solution.

Its very important for my application.

 Thank you for your time. 

Regards
Prathap Reddy U

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  • 469350
    Verified Answer
    Offline posted

    Looping through every element of a 10 MB xml file is probably going to take some time, with or without using the UltraWinTree. are you sure it's the tree that's causing the delay? 

    The only thing you could do to make the tree a bit faster would be to turn off the painting of the control while it loads. You do this using the BeginUpdate and EndUpdate methods. 

    Also, make sure you have the latest Hot Fix for the controls. We recently made an update to the tree so that BeginUpdate and EndUpdate will be even more efficient. I'm not sure if that update is in the latest hot fix, but if not, it should be in the next one. 

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