Questions on UI for WPF Forum

1 answer

160 views

How to expand many nodes

Hello,

I have the following TreeListView.

<telerik:RadTreeListView

AutoExpandItems="{Binding IsToggleExpand}"

IsExpandedBinding="{Binding IsExpanded, Mode=TwoWay}"

ItemsSource="{Binding FolderDataView}"

IsFilteringAllowed="True"

SelectedItem="{Binding SelectedItem}"

EnableRowVirtualization="True"

EnableColumnVirtualization="True"

ValidatesOnDataErrors="InEditMode"

VirtualizingPanel.IsVirtualizing="True"

ScrollViewer.VerticalScrollBarVisibility="Visible">

I use IsExpanded/IsExpandedBinding to open a node and I use IsToggleExpand/AutoExpandItems to open all nodes. Everything works correct.

If I reopen my Tree I have to expand all nodes of the last session. So I store the expand state when closing and use IsExpanded to open the nodes when opening. If I open many nodes it is very slow (flickering). And the ScrollViewer does not recalc its correct size. Perhaps the UI refreshes too often.

If I expand all nodes with IsToggleExpand/AutoExpandItems it is much faster and the ScrollViewer resizes correctly.

How can I improve the user experience and the performance when opening many nodes?

TreeListView

answered on 20 Apr 2016

2 answers

107 views

Mergefields not populated in header of a .docx

We're looking at using the RadRichTextBox in our application. For testing, I have a very simple docx with 2 mergefields

1. One mergefield in the header of the docx

2. One mergefield in the body of the docx.

When loading the .docx using your sample(SaveAndSaveAs_WFP) , the mergefield in the body appears but the mergfield in the header does not.

How can this be resolved? Is this a settings issue?

Thanks

RichTextBox

answered on 20 Apr 2016

1 answer

99 views

Grouping in grid

Hello.

We choose visual component package for our three-tier application with two thin clients: desktop (WPF) and web (HTML5/JS). Clients are connected only to application server (cannot access to database). We want to load all data to application server and download only showed data to the client.

We want to use grouping in your grid component. Is possible grouped data on server and send result (or showed part of result) to client grid component? In other words, has grid component some server-side part? Or grid component need load all data before grouping? We need solve this for both WPF and HTML5/JS.

Could you give me some examples or demos for testing? Please for both WPF and HTML/JS (Kendo UI).

Thank you.

Petr

GridView

answered on 20 Apr 2016

1 answer

95 views

Keep size of pane the same when undocking

Hello,

I have a question about keeping the size of a pane thats being undocked the same as the size when it was docked.

I found another post: http://www.telerik.com/forums/how-to-keep-the-size-of-a-floating-pane-equal-to-the-size-of-the-pane-being-docked

But the solution which is given here sets the size to an particular value, I want to keep the same value as when it was docked.

I saw release 2015 Q2 has a property RetainPaneSizeMode for this, but I am still using 2015 Q1.

How can I accomplish this with the 2015 Q1 release?

Regards,

Marcel

Docking

answered on 20 Apr 2016

2 answers

127 views

Not TimeBar -> HourGlass Pointer

Hi every body,

Sorry for the bad forum, but i don't found where i can publish this post, and it is the same goal.

I'm started with Telerik 2 weeks ago.

In my software, and to the long loading, I want to have an HourGlass Pointer, to do waiting the user.
But I don't know the control whch can do it.

Can you help me ?

Thanks a lot.

Valentin.

TimeBar

answered on 19 Apr 2016

1 answer

111 views

Export RadGridView to PDF

Hi,

I'm trying to export a grid to pdf in "UI for WPF Q3 2014". I Read many documents in site but they are almost for new releases.

many answers related to "http://www.telerik.com/forums/export-radgridview-data-to-pdf-and-pagging". but i con't find this page.

PdfFormatProvider in "UI for WPF Q3 2014" can't export "Workbook" or "RadDocument".

what can i do?

GridView

answered on 19 Apr 2016

4 answers

177 views

Word style "Text Box" in RadRichTextBox

We have implemented your RadRichTextbox with it's Mail Merge capabilities to create a labeling module with much success. Combined with the RibbonUI it is an excellent tool but there seems to be a feature missing. Is it possible to create a floating "Text Box" inside a RadRichTextBox? We need functionality just like MS Word Text Box with resizing, wrapping, borders, etc. Thank you for your advice.

RichTextBox

answered on 19 Apr 2016

1 answer

269 views

CellStyleSelector with parameter

Hi to all,

I would to change a CellStyle based to more specific properties of Currenti Item.

Example:

ItemA.Property1

ItemA.Property2

ItemA.Property3

ItemB.Property1
ItemB.Property2
ItemB.Property3

ItemA and ItemB derives from ItemBase that it has CanProperty1, CanProperty2 and CanProperty3 (all 3 boolean)

Now, I would change style to show cell content's only if CanPropertyX = true, if no it will shows other cellstyle (empty cell)

Actually I'm using StyleSelector pattern, but it receives all currenti item, it doesn't know witch property it refer.

How can I do this?

01.public class MyItemStyle : StyleSelector

02.{

03. public override Style SelectStyle(object item, DependencyObject container)

04. {

05. if (item is MyItem)

06. {

07. MyItem currentItem = item as MyItem;

08.

09. //Can I receive a specific property on to test?

10. //Can I receive a parameter (like Command) ?

11.

12. if (currentItem.MyProperty1)

13. return MyFirstItemStyle;

14. else

15. return MySecondItemStyle;

16. }

17. return null;

18. }

19. public Style MyFirstItemStyle { get; set; }

20. public Style MySecondItemStyle { get; set; }

21.}

GridView

answered on 19 Apr 2016

3 answers

216 views

disable mouse drag to select several slots on RadScheduleView

Hello,

I have a RadScheduleView that allows the end-user to select slots. I am capturing the selections via RadScheduleView.SelectedSlot, saving those to a collection and the collection is the bind source to RadScheduleView.SpecialSlotsSource so I can reflect back the state of selections. (please see…wantedclickbehavior.jpg)

Desired Behavior: I only want the end-user to Left-Click on the RadScheduleView to make slot selections (even if the slots are consecutive).

I need to disable “mouse drag to select several slots” (please see…unwanteddragbehavior.jpg).

How can this be done?

Additionally because of the desired behavior…
How can I disable the keyboard modifiers: CTRL + Left-Click and SHIFT + Left-Click (so to prevent slot’s start – end exceeding the MinorTickLength)

Thanks in advance…

ScheduleView

answered on 19 Apr 2016

3 answers

149 views

VirtualQueryableCollectionView + Grouping + Paging

I'm currently evaluating my options for using RadGridView ( And maybe RadPivotGrid in the future ) in combination with large serverside datasets. For performance reasons we don't want to send the complete dataset to the client.

Therefore I'm now implementing a custom IQueryable provider that delegates grouping/paging/filtering to te serverside. For simple paging this works fine, I get simple Skip/Take requests on my IQueryable.

However when i start to use grouping I get a grouping request on my datasource, without any paging Skip/Take requests. This means that I should get all data from te server which is not acceptable for our solution.

What solution do you propose for this problem?

Data Virtualization

answered on 19 Apr 2016