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1 answer
112 views
Good morning,
 I would like to use the transition control to avoid building a storyboard.

My Code is :

private

 

 

void btnDisplay_Click(object sender, RoutedEventArgs e)

 

{

 

 

try

 

{

 

 

for (int i = 1; i < 9; i++)

 

{

 

 

Image myImg = new Image();

 

myImg.Source =

 

new BitmapImage(new Uri("C:\\00002512\\00000000" + i.ToString() + ".TIF", UriKind.Absolute));

 

 

 

this.TransitionControl1.Content = myImg;

 

 

 

this.radProgressBar1.Value = i;

 

 

}

}

 

 

catch (Exception ex)

 

{

 

 

MessageBox.Show(ex.Message);

 

}

}

I get this error : "Cannot perform action because the specified Storyboard was not applied to this object for interactive control." when I try to load the second image.

Can you help me?

thanks in advance
   Max

Miroslav Nedyalkov
Telerik team
 answered on 09 Jun 2010
1 answer
130 views
Hi,

I'm trying to have custom TabItems in a RadGroupPane in DocumentsHost. As I'm understand RadGroupPane items are rendered using TabItemPresenter (looked at RadGroupPane template) and are RadTabItem controls. Problem is that I can not get them to style.
A litle sample or idea how to set custom template for TabItem's in a RadGroupPane would be really good, as setting it in RadGroupPane resources as style with TargetType for RadTabItem seems don't work.

Thanks,
Saulius
Pana
Telerik team
 answered on 09 Jun 2010
8 answers
961 views
Hello,

I have a RadGridView with a custom row style targeting GridViewRow (set using RowStyle property and defined in resource dictionary).
In that style I have a control template targeting GridViewRow.
In that template I have a couple of GridViewCells definitions.
Here is one of them, for example:

<telerik:GridViewCell x:Name="theCell"  
                                        BorderThickness="0" 
                                        Foreground="{StaticResource ColorMessageText}" 
                                        Value="{Binding Owner}" 
                                        Margin="0,0,0,2" 
                                        Content="Owner" 
                                        Background="{x:Null}" 
                                        BorderBrush="{x:Null}" 
                                        FontSize="11"                                    
                                        HorizontalAlignment="Left" 
                                        HorizontalContentAlignment="Left" 
                                        Width="90" 
                                        Visibility="{Binding Column.IsVisible, Converter={StaticResource VisibilityOfBool}, ElementName=theCell}"/> 


Now, what I am trying to accomplish is to bind the Visibility property to the column IsVisible property (using the required converter).
The problem is that both Column and DataColumn properties of the GridViewCell are unknown at run time (saw it using Snoop).

How do I make my GridViewCell hide when the matching column is hidden?

Thanks,
Gili
Gili Korman Golander
Top achievements
Rank 1
 answered on 09 Jun 2010
3 answers
374 views
Hello Telerik. I've encountered a problem while styling the GridView component. As you can see from the attached image, there are some black borders around the header cells and around the row content as well, that i want to remove. Hope you can help me with this. Thank you  
Kalin Milanov
Telerik team
 answered on 09 Jun 2010
1 answer
82 views
Hello,

I try customize control in Blend 4. But it doen't allow edit styles(Only suggests to create the empty)
Can u share dictionary with default RadGridView styles?
Vlad
Telerik team
 answered on 08 Jun 2010
2 answers
271 views
Hello,

I've already created a topic in this forum, and I need your help once again.
I work with the same configuration (it's the same application) : Telerik + MS Prism
Link : Close tabs - RadTabControl + Prism

I have a problem with the Binding and RadTabControl.
I have a button to add a RadTabItem in my RadTabControl, and the content of the RadTabItem work with a ContentTemplate.
The content is a form with some TextBox and each textbox has a Binding with an Object in my Model.

CODE :
So, here the XAML code of my RadTabControl :
<telerik:RadTabControl Name="RadTabControlAddress" SelectionChanged="RadTabControlAddress_SelectionChanged"
                    <telerik:RadTabControl.ItemContainerStyle> 
                        <Style TargetType="{x:Type telerik:RadTabItem}"
                            <Setter Property="ContentTemplate"
                                <Setter.Value> 
                                    <DataTemplate> 
                                        <Grid Name="Grid"
                                            <Grid.ColumnDefinitions> 
                                                <ColumnDefinition Width="100" /> 
                                                <ColumnDefinition Width="*"/> 
                                            </Grid.ColumnDefinitions> 
                                            <Grid.RowDefinitions> 
                                                <RowDefinition /> 
                                            </Grid.RowDefinitions> 
                                            <TextBlock Text="{Loc address1}" Grid.Row="0" Grid.Column="0"></TextBlock> 
                                            <TextBox Grid.Row="0"  Grid.Column="1" Text="{Binding Adresse.Adresse1 }" Height="30" Margin="5"></TextBox> 
                                        </Grid> 
                                    </DataTemplate> 
                                </Setter.Value> 
                            </Setter> 
                        </Style> 
                    </telerik:RadTabControl.ItemContainerStyle> 
                 
                </telerik:RadTabControl> 
(I deleted some field for a short version)

I have a simple RadButton with this event :
private void AddAddressTab() 
        { 
            _model.AddAddress(); 
            RadTabItem itemToAdd = new RadTabItem() 
            { 
                Header = "New Tab" 
            }; 
            RadTabControlAddress.Items.Add(itemToAdd); 
            RadTabControlAddress.SelectedIndex = RadTabControlAddress.Items.Count - 1; 
        } 

The constructor in my XAML.cs is :
public AjouterView(AjouterViewModel model) 
        { 
            InitializeComponent(); 
            // Sauvegarde du model dans un attribut de la classe. 
            _model = model; 
            // On se sert de notre model en tant que DataContext. 
            this.DataContext = model; 
 
            //AddAddressTab(); 
        } 

In my Model I have two attribute :
private IAdresse _adresse = null
        public IAdresse Adresse 
        { 
            get { return _adresse; } 
            set 
            { 
                _adresse = value; 
                OnPropertyChanged("Adresse"); 
            } 
        }
My Model implement INotifyPropertyChanged - (And sorry for french name...)

The AddAddress() Method (in the model) :
public void AddAddress() 
        { 
            IAdresse address = new Adresse("Just a test"); 
            ListAdresse.Add(address); 
            Adresse = address; 
        } 

I not include the system to change the address when we select an other Tab.

PROBLEM :
The first time we add an address (add a Tab in the TabControl), the binding doesn't work. I need to add two address for work. I don't find why ! The binding work only if I click the Button (to add an other address) if there is already a Tab in the TabControl.

ATTACHED FILE :
You can download a demo here : Download

If you need more informations, please tell me.
Thank you in advance for your answer.

Regards,
G.B.

[EDIT] : Nobody shall have the beginning of solution ? I don't find how to fix this problem !
George Bill
Top achievements
Rank 1
 answered on 08 Jun 2010
3 answers
169 views
Hi,
I want to cancel drag operation on right click. i dragged item by pressing left click now i press right click(Simultaneously) and want to cancel drag operation.  This is same behavior as window expolere.

Thanks
Bala
Kiril Stanoev
Telerik team
 answered on 08 Jun 2010
7 answers
299 views
When I try to change the point size on a scatter plot, it doesn't increase in size, it's as if the container is fixed at a size and the point get clipped (so when I draw a circle point of point size 20, i see only a quarter of the circle appear on the graph).

here is my code i'm using to adjust the size:

DataSeries series = new DataSeries();
            ScatterSeriesDefinition l = new ScatterSeriesDefinition();
            l.Appearance.Fill = Brushes.DeepPink;
            l.Appearance.Stroke = Brushes.Black;
            l.PointSize = 20;
            series.Definition = l;

Appreciate your thoughts,
Nelson



James DAmour
Top achievements
Rank 1
 answered on 08 Jun 2010
3 answers
130 views
Hi,

I have a grid that is bound to a DataTable. The structure of the DataTable varies at runtime so I cannot set the columns at design time (AutoGenerateColumns is set to true). When a column of the DataTable is of type System.Byte[] the grid shows "System.Byte[]" and I would like it to show an image instead. I am guessing I should be using a DataTemplate for this type but I am unsure of how to do this with the GridView, can you please help or point me to the relevant resource?

Cheers,
Jose
Yavor Georgiev
Telerik team
 answered on 07 Jun 2010
1 answer
112 views
Hi All

I am using the WPF 2010 Q1 controls and as per the documentation here: http://www.telerik.com/help/wpf/gridview-events-validation.html

I am calling the rowisvalidating event and on a condition setting e.IsValid = false; But even when this is set to false, the rowisvalidated event is still fired. I thought that this would not be the case.

Nick
Nedyalko Nikolov
Telerik team
 answered on 07 Jun 2010
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