Hi Andrew,

thank you for reply. Yes, your tip with CellValuePresenterStyle for first variant works, but probably databinding isn't right. There is a ComboEditor with one empty item, Checkbox is shown.  In my XAML Code is following XMLDataProvider and that works for me in a previous version as I use igEditors:XamComboEditor but without MultipleSelection.

<XmlDataProvider x:Key="SwitchesXml">

<x:XData>

<Switches xmlns="">

<Switch text="S0" value="S0" />

<Switch text="S1" value="S1" />

</Switches>

</x:XData>

</XmlDataProvider>

 But now it isn't so. Sure, now I use another object. Properties false? Binding false? I don't no.

For second variant: From previous Versions in my MVVM is Switch (you know <igDP:TemplateField Name="Switch" Label="Schalter"> ) from datatype string. Could it be that now there have to be another datatype, for instance ObservableCollection?

Thank you for your efforts!

Andreas

Hi Andrew,

I've forgotten right setting of itemssource for variant one. XAML Code now

<Style x:Key="MultiSelectorFieldSwitches" TargetType="{x:Type igWPF:CellValuePresenter}">
    <Setter Property="Template">
     <Setter.Value>
            <ControlTemplate>
             <ig:XamComboEditor AllowMultipleSelection="True"
                 CheckBoxVisibility="Visible"
                        DisplayMemberPath="@text" 
                        SelectedValuePath="@value"
                        ItemsSource="{Binding Source={StaticResource SwitchesXml}, XPath=/Switches/Switch}"/>
             </ControlTemplate>
       </Setter.Value>
    </Setter>
</Style>

And now I can see exactly that number of items that realy in my XML, unfortunately not @text (means Content of) but the text "Switch". Also with this variant now text "Switch,Switch,Switch" will be shown if I check three checkboxes and field lost focus, thats absolutly great, MultipleSelection is working now! But what is the failure in Binding? Would it work better if I create an IEnumerable object and bind it in XAML in following manner

 ItemsSource="{Binding Source={StaticResource mylocal:enumSwitches}}   ???

My question regarding MVVM and selecteditems of XamComboEditor is relevant.

Best regards

Andreas

Hi Andrew,

simply great! It works, I can see s0, s1 and so on! Sure, in meantime I've spended more time on other Projects, some on this, but without Progress. And now after awaiting your replay that success! Thank you.

 Sorry, but there is next issue. I've thought in past Field "Switch" was type string and simply I Change type on ObservableCollection(Of String). You know, in my View are XamDataGrids, in ViewModel ObservableCollections(Of <object>), also observableCollections(Of object>) in Model. Previous in the object in Model Switch was a string. Now I've changed that type I described, because  infragistics documentation say SelectedValues gets result of users choise in an object array. But in debug mode field has value nothing. And now I need your howto! In XAML now

DisplayMemberPath="Attributes[0].Value"

SelectedValuePath="Attributes[1].Value"

SelectedValues="{Binding}"

ItemsSource="{Binding Source={StaticResource SwitchesXml}, XPath=/Switches/Switch}">

I thought, implizit binding will be made on field Name "Switch" from type ObservableCollection, because object is bound on DataContext of XamDataGrid and within Switch. But if I start application there is no record in DataGrid, not even line for add record. And now I have to state I need a tip for next step.

There is another way, I would mean: If I try a setter of CellValuePresenter for property "Content" and convert list of values to string? I don't know, what do you say?

But I would prefer first solution, I think ist the better one.

Please let me know your advice, many thanks!

Best regards, Andreas

Hi Andrew,

I've another offer for my issue and I want to ask you. I think regarding Content of CellValuePresenter there have to be changing. My XAML:

<Setter Property="Content">

<Setter.Value>

<ig:XamComboEditor SelectedValues="{Binding RelativeSource={RelativeSource TemplatedParent},Path=Switch}" />

</Setter.Value>

</Setter>

 Could this be a way for binding CellValuePresenters Content to the field of XamDataGrid? I hope, thats a deeper technical understanding at this point?

Thanks for reply.

Kind regards.

Andreas

Hi Andrew,

thanks for your concern. Well, in Germany last days was Easter, some days without programs, but now it's going on.

Your last suggestion was working with contenttemplate, because property Content of cellvaluepresenter, right?  I mean I've understood difference of presentation and data processing, but it's difficult for me to identify objects to work with (provided that I'm right, possible thats wrong) Here my XAML

<Setter Property="ContentTemplate">

<Setter.Value>

<DataTemplate>

 <ContentPresenter Content="{Binding Path=???}" />

</DataTemplate>

</Setter.Value>

</Setter>

Could it be that I have to make binding in datatemplate in following manner:

<ig:XamComboEditor SelectedValues="{Binding RelativeSource={RelativeSource TemplatedParent},Converter={StaticRecource conv}}" /> with implementing of IValueConverter or IMultiValueConverter because Switch is of  data type string in my Model?

I think selectedValues has data of the user selection.

I've tried to find similar example in infragistics forum and in infragistics sample browser and also I check your url  but at the moment I see solution far away.... I've also used WPFInspector but its tricky ...

I think there is the possibility to going on with your help. Thank you in advance.

Best regards.

Andreas