🐛 GeoCortex FilePicker uploads file multiple times if FileItem properties are accessed multiple times.

geocortex-file-upload-issue.xaml

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    <Sequence.Variables>
      <Variable x:TypeArguments="scg:Dictionary(x:String, x:Object)" Name="formResult" />
      <Variable x:TypeArguments="scg:IList(gcx:FileItem)" Name="attachments" />
      <Variable x:TypeArguments="gcx:FileItem" Name="fileItem" />
    </Sequence.Variables>
    <gwa1:DisplayForm FormDefinition="&lt;FormDefinition xmlns=&quot;http://schemas.datacontract.org/2004/07/Geocortex.Forms.Client&quot; xmlns:i=&quot;http://www.w3.org/2001/XMLSchema-instance&quot;&gt;&lt;ContainerFormItem xmlns:a=&quot;http://schemas.datacontract.org/2004/07/Geocortex.Forms.Client.Items&quot;&gt;&lt;a:ArgumentName/&gt;&lt;a:IsVisible&gt;true&lt;/a:IsVisible&gt;&lt;a:ItemID&gt;Group1&lt;/a:ItemID&gt;&lt;a:ToolTip/&gt;&lt;a:ValidationItems xmlns:b=&quot;http://schemas.datacontract.org/2004/07/Geocortex.Forms.Client.Items.Validation&quot;/&gt;&lt;a:Description/&gt;&lt;a:FormItems&gt;&lt;a:FormItem i:type=&quot;a:FilePickerFormItem&quot;&gt;&lt;a:ArgumentName&gt;ATTACHMENTS&lt;/a:ArgumentName&gt;&lt;a:IsVisible&gt;true&lt;/a:IsVisible&gt;&lt;a:ItemID&gt;FilePicker1&lt;/a:ItemID&gt;&lt;a:ToolTip/&gt;&lt;a:ValidationItems xmlns:b=&quot;http://schemas.datacontract.org/2004/07/Geocortex.Forms.Client.Items.Validation&quot;&gt;&lt;b:ValidationItem i:type=&quot;b:FileSizeValidationItem&quot;&gt;&lt;b:Message&gt;2GB total file size limit exceeded&lt;/b:Message&gt;&lt;b:TotalFileSize&gt;2147483647&lt;/b:TotalFileSize&gt;&lt;/b:ValidationItem&gt;&lt;/a:ValidationItems&gt;&lt;a:AcceptFileTypes i:nil=&quot;true&quot;/&gt;&lt;a:AllowMultiple&gt;true&lt;/a:AllowMultiple&gt;&lt;a:Label&gt;&lt;a:ArgumentName/&gt;&lt;a:IsVisible&gt;true&lt;/a:IsVisible&gt;&lt;a:ItemID/&gt;&lt;a:ToolTip/&gt;&lt;a:ValidationItems xmlns:b=&quot;http://schemas.datacontract.org/2004/07/Geocortex.Forms.Client.Items.Validation&quot;/&gt;&lt;a:LabelForItemID/&gt;&lt;a:Text&gt;FilePicker1&lt;/a:Text&gt;&lt;/a:Label&gt;&lt;/a:FormItem&gt;&lt;/a:FormItems&gt;&lt;a:MaxWidth&gt;INF&lt;/a:MaxWidth&gt;&lt;a:Orientation&gt;Vertical&lt;/a:Orientation&gt;&lt;a:VisibleControlID i:nil=&quot;true&quot;/&gt;&lt;a:VisibleControlValue i:nil=&quot;true&quot;/&gt;&lt;/ContainerFormItem&gt;&lt;KnownTypes xmlns:a=&quot;http://schemas.microsoft.com/2003/10/Serialization/Arrays&quot;&gt;&lt;a:string&gt;Geocortex.Forms.Client.Items.ContainerFormItem&lt;/a:string&gt;&lt;a:string&gt;Geocortex.Forms.Client.Items.FilePickerFormItem&lt;/a:string&gt;&lt;a:string&gt;Geocortex.Forms.Client.Items.Validation.FileSizeValidationItem&lt;/a:string&gt;&lt;/KnownTypes&gt;&lt;MaxHeight&gt;800&lt;/MaxHeight&gt;&lt;MaxWidth&gt;1000&lt;/MaxWidth&gt;&lt;Title&gt;Form Title&lt;/Title&gt;&lt;Version&gt;1.1&lt;/Version&gt;&lt;/FormDefinition&gt;" FormResults="[formResult]" sap2010:WorkflowViewState.IdRef="DisplayForm_1" WorkflowContainerName="[WorkflowContainerName]">
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          <ActivityAction.Argument>
            <DelegateInArgument x:TypeArguments="gcx:FormDefinition" Name="form" />
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          <Sequence DisplayName="RuntimeModifications" sap2010:WorkflowViewState.IdRef="Sequence_1" />
        </ActivityAction>
      </gwa1:DisplayForm.Body>
      <gwa1:DisplayForm.Buttons>
        <gcx:FormButton CausesValidation="True" IsDefault="True" Label="Upload" Value="Upload" />
      </gwa1:DisplayForm.Buttons>
      <gwa1:DisplayForm.FormOutArguments>
        <gwa:ArgumentWrapper x:TypeArguments="OutArgument" IsRequired="False" Name="ATTACHMENTS">
          <gwa:ArgumentWrapper.Argument>
            <OutArgument x:TypeArguments="scg:IList(gcx:FileItem)">[attachments]</OutArgument>
          </gwa:ArgumentWrapper.Argument>
        </gwa:ArgumentWrapper>
      </gwa1:DisplayForm.FormOutArguments>
    </gwa1:DisplayForm>
    <gwa1:ServerScope sap2010:WorkflowViewState.IdRef="ServerScope_1">
      <gwa1:ServerScope.Body>
        <ActivityAction>
          <Assign DisplayName="attachments Assign" sap2010:WorkflowViewState.IdRef="Assign_2">
            <Assign.To>
              <OutArgument x:TypeArguments="gcx:FileItem">[fileItem]</OutArgument>
            </Assign.To>
            <Assign.Value>
              <InArgument x:TypeArguments="gcx:FileItem">[attachments.First]</InArgument>
            </Assign.Value>
          </Assign>
        </ActivityAction>
      </gwa1:ServerScope.Body>
    </gwa1:ServerScope>
    <gwa1:ExternalLog sap2010:WorkflowViewState.IdRef="ExternalLog_1" Message="[fileItem.FileName]" />
    <gwa1:ExternalLog sap2010:WorkflowViewState.IdRef="ExternalLog_2" Message="[fileItem.FileName]" />
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          <scg:Dictionary x:TypeArguments="x:String, x:Object">
            <x:Boolean x:Key="IsExpanded">True</x:Boolean>
            <x:Boolean x:Key="IsPinned">False</x:Boolean>
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      <sap2010:ViewStateData Id="ServerScope_1" sap:VirtualizedContainerService.HintSize="297,135" />
      <sap2010:ViewStateData Id="ExternalLog_1" sap:VirtualizedContainerService.HintSize="297,59" />
      <sap2010:ViewStateData Id="ExternalLog_2" sap:VirtualizedContainerService.HintSize="297,59" />
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            <x:Boolean x:Key="IsExpanded">True</x:Boolean>
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      <sap2010:ViewStateData Id="ActivityBuilder_1" sap:VirtualizedContainerService.HintSize="359,1117" />
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</Activity>

The file is uploaded twice as can be seen in Chrome Developer Tools below:

This is caused by the FileItem.FileName being externally logged twice: