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I'm trying to make a custom theme for the RadTimeline. 

Im my custom theme, I want to wrap a ScrollViewer around the Timeline's TimelineItemContainer just like described in this post: http://www.telerik.com/community/forums/silverlight/timeline/vertical-scrollbar-scrollviewer-and-radtimeline.aspx 
and I want to remove the horizontal scrollbar of the control (the RadSlider at the bottom).

I've tried to create a custom theme using the approach described here:
http://www.telerik.com/help/silverlight/common-styling-apperance-themes-custom-theme-project-telerik-approach.html 
(albeit the documentation is for Silverlight, couldn't find anything similar for WPF)
and I've also had a look at the sample project here:
http://www.telerik.com/community/forums/wpf/general-discussions/how-can-i-create-a-custom-theme-for-wpf-application.aspx 

I couldn't manage to get the theme working.
I'm not sure if I made everything right in the theme project - especially the following things in the XAML of my custom theme:
  •  <my:MyTheme x:Key="Theme" />
  • The many references to ThemeType=telerik:Office_BlackTheme
  • content of Generic.xaml
  • declaration of MyTheme class
Basically, I've just copied the file C:\Program Files (x86)\Telerik\RadControls for WPF Q1 2012 SP1\Themes\WPF40\Windows7\Themes\Telerik.Windows.Controls.DataVisualization.xaml which contains the style for RadTimeline to my CustomTheme project and modified the style there. I'm not quite sure, if that was correct, or what I've done wrong.


Actually, it doesn't have to be a whole custom theme, I just want to change the style of RadTimeline like described above. So, my first try was to edit the style using Expression Blend. I selected the RadTimeline and chose: Edit Template --> Edit a Copy. This alone shouldn't change the style at all, shouldn't it? But instead, the whole control is white/transparent - please see the attached files before_edit_template.png and after_edit_template.png. I expect it to look exactly the same as before calling Edit Template --> Edit a Copy. Why isn't it?

Here (http://johannes.unterguggenberger.info/TimelineCustomTheme.zip) is a Solution which contains 2 Projects: A custom theme project and a project which uses the custom theme (at least tries to) to change the style of a RadTimeline. Maybe someone could have a look at it and maybe tell me, what's the problem, or point me in a direction.

Thanks in advance!
Tsvetie
Telerik team
 answered on 26 Jun 2012
1 answer
245 views
Hi,

Is it possible to do these two things with TabControl (TabOrientation="Vertical" and TabStripPlacement="Left")

1) all TabItem headers to occupy all available space. (ex, if tabControl's Height is 500, and we have 5 TabItems, then each TabItem should have Header.Height = 100. I am using below template to make TabItem;'s header wider, but I am setting the Height explicitly.

<DataTemplate x:Key="tabItemTemplate">
    <Grid Height="100">
        <TextBlock Text="{Binding Mode=OneWay, Converter={StaticResource enumConverter}}" VerticalAlignment="Center"/>
    </Grid>
</DataTemplate>

<telerik:RadTabControl ItemsSource="{Binding Source={x:Static data:ActivityType.Production}, Converter={StaticResource enumWithoutNoneConverter}}"
                       ItemTemplate="{StaticResource tabItemTemplate}"
                       SelectedItem="{Binding SelectedType}"
                       TabOrientation="Vertical"
                       TabStripPlacement="Left" />

2) I would like to set the Content of each TabItem to null (Nothing). Currently it is displaying the same text as Header does, only without converter. I don't want it to display anything, I just need TabControl;s headers visible.

Regards,
Goran
Tina Stancheva
Telerik team
 answered on 26 Jun 2012
2 answers
174 views
I was hoping to implement SelectAll functionality when the user double clicks in the cell that is to the left of the first column and above the first row.

I tried using hittesting to detect when the user clicks there, but didn't have any luck since it wasn't coming up as a valid row or column. 

Is is possible to do this?
Darryn
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 answered on 26 Jun 2012
6 answers
316 views
Hi,

I'm using RadControls for WPF (version 2012.1.326.40), and my question is about the RadTreeView.
I want to select by code a specific item even if all nodes of the treeview has not been generated.
My treeview is using the virtualization mode, so the items are not generated until the node is expanded.
How can I select an item ? If I explore the nodes, I have only the generated nodes.
And I can't use the BringPathIntoView method, because my nodes have different types so it's impossible for me to use the property TextSearch.TextPath.
Do you have any solutions ?


Hristo
Telerik team
 answered on 26 Jun 2012
1 answer
122 views
Hello,

It seems that on all of your examples, the gantt-tasks can be moved and resized on the fly.  How can I prevent this?  I already have "isManipulationEnabled" set to false.

Thanks,
Eric
Ventzi
Telerik team
 answered on 26 Jun 2012
0 answers
80 views
VirtualizingWrapPanel as RadGallery.ItemsPane does not show any item.
Thanks
Deepak
deepak
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 asked on 26 Jun 2012
4 answers
156 views
Hello @all,

all me entities are using the same base class EntityBase.

Is it possible to create my own Appointment class which inherits from EntityBase, instead of youse the Appointment class of telerik?
I chouldn't find an Interface of Appointment, only a abstract base class.

In other words:
I like to use the RadScheduler with my own Appoinment class.

Thank you,
Manuel
Vladi
Telerik team
 answered on 26 Jun 2012
1 answer
155 views
Hello,

I have created a custom provider with my own tiles. 
Now,I´d like to create three map modes with different tiles. (Roal, Aerial.. as Bing or Google)
I want to show my modes on the toolbar so the user could change view easily.
How can I do that? I have no idea where I have to indicate the different modes. I have my TilesProvides created like that
Public Sub New(ByVal tileLocation As String, ByVal tileUri As String)
        MyBase.New()
 
        Dim source As New NavteqMapSource(tileLocation, tileUri)
 
        Me.MapSources.Add(source.UniqueId, source)
 
 
    End Sub

But I need three different Uris for each MapMode. Do I have to create three different providers? 
If so, How can I add this providers to the toolBar?
Thank you very much,

Esther



Andrey
Telerik team
 answered on 26 Jun 2012
7 answers
155 views
It seems that I can supply a {Binding} for the QueryName of a RadDataServiceDataSource, but if I do, it changes the way the data source gets queried. Using the "hard-coded" approach, the query honors the page size specified by the data source ($top=n), but binding to a property of a ViewModel that contains the QueryName causes the query to request ALL items.

What I'm trying to craft is a simple UI that lists the tables (queries) in the data source in a ListBox, and causes the RadGridView/RadGridPager to display (and page through) the data for the table selected in the ListBox.

I had assumed that data binding the QueryName would be the WPF way to do this. What am I missing?
Rossen Hristov
Telerik team
 answered on 26 Jun 2012
0 answers
190 views
I have used RadComboBoxes inside a Grid in my WPF application as shown below.
<tk:RadComboBox Grid.Row="3" Grid.Column="3" Style="{StaticResource DropDown}" x:Name="cmbColor" Height="25" Margin="5,5,5,5" DropDownOpened="cmbColor_DropDownOpened"
IsEditable="False" SelectedValue="{Binding PR_COLOR}" MaxWidth="250"
ItemTemplate="{StaticResource DropDownCodeMeaning}"  />



I am binding the data to the combo box when the user clicked on the combo box to select an item from it.
I have used the  event "DropDownOpened" to bind data to this combo box.

Below shown is the code behind.

// set the dropdown list for a combobox to all entities for a business object
  private void SetDropDown<BusObj, BusEntity>(RadComboBox cmb, ref BusObj busobj)
      where BusObj : BusinessObject<BusEntity>, new()
      where BusEntity : BusinessEntity, new()
  {
      if (busobj == null)
      {
          busobj = new BusObj();
      }
      if (cmb.ItemsSource == null)
      {
          var RecordList = busobj.GetAllEntities();
          if (RecordList.Count > 0)
              RecordList.ApplySort("SortKey", ListSortDirection.Ascending);
          cmb.ItemsSource = RecordList;
 
      }
  }

After sets the Items Source for the combo box, the memory increases rapidly. Anyone knows why this happens?
Please help me. I am using the telerik version 2010.1.603.35.

Thanks in advance,
Rajesh V R

Rajesh
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 asked on 26 Jun 2012
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