Questions on UI for WPF Forum

2 answers

200 views

[Solved] RadPDFViewer document from XAML

Hello,

Is it possible to set the document of RadPDFViewer from an XAML StackPanel?

I want to generate a PDF document from an XAML section and pass it to the PDF viewer.

Regards,

Sam.

PDFViewer

answered on 13 Nov 2017

1 answer

116 views

How to set some nodes and links as a group and then fold or unfold it

Our product use diagram to realize a workflow, when there are too many nodes and links in the diagram， it looks very crowded , i wish to set some nodes and links as a group which has only one input link and only one output link, and then i can fold the group to save space, i can also unfold the group

Is any way to resolve this issue?

Diagram

answered on 13 Nov 2017

0 answers

94 views

Saving content and layout to the same file

Hello,

I use save/load functionality of Docking. I would like to save content of each RadPane to the same file where layout stores, so I would like to get something like this:

<?xml version="1.0" encoding="utf-8"?>

<RadDocking>

<SplitContainers>

<RadSplitContainer Dock="DockedLeft">

<Items>

<RadPaneGroup SelectedIndex="0">

<Items>

<RadPane IsDockable="True" Header="Pane1" >

</RadPane>

</Items>

</RadPaneGroup>

<RadPaneGroup RelativeWidth="100" RelativeHeight="100" IsAutoGenerated="True" >

<Items>

<RadPane IsDockable="True" Header="Pane1" >

</RadPane>

</Items>

</RadPaneGroup>

</Items>

</RadSplitContainer>

</SplitContainers>

</RadDocking>

I found an old answers in the forum which say that it is not possible. Is there a chance that something changed?

If it is not possible maybe you could suggest a solution? I wanted to store the layout and content in one file.

Thank you in advance

Docking

asked on 11 Nov 2017

16 answers

823 views

A first chance exception of type 'System.ArgumentException' occurred in Telerik.Windows.Data.dll

The following ArgumentException is throwing from Telerik.Windows.Data.PropertyPathDescriptor.GetPropertyDescriptor(PropertyToken token, Type componentType) when a RadGridView binds:

throw new ArgumentException(string.Format(CultureInfo.CurrentCulture, "Property with name {0} cannot be found on type {1}", new object[] { token.PropertyName, componentType.GetTypeName() }));

gives: "Property with name AfterQty cannot be found on type Object"

Sample:

<telerik2:RadGridView Width="Auto" AutoGenerateColumns="False" HorizontalAlignment="Stretch" ItemsSource="{Binding SelectionList.SelectedItem.Funds}" >

<telerik2:RadGridView.Columns>

<telerik2:GridViewDataColumn DataMemberBinding="{Binding Fund}" Header="Fund" IsReadOnly="True" />

<telerik2:GridViewDataColumn DataMemberBinding="{Binding BeforeQty}" Header="Before Qty" IsReadOnly="True"/>

<telerik2:GridViewDataColumn DataMemberBinding="{Binding CurrentQty}" Header="Order Qty" />

<telerik2:GridViewDataColumn DataMemberBinding="{Binding AfterQty}" Header="After Qty" />

...

SelectionList is an observable collection in another gridview, the details of which load in this one. Funds is an observable collection on the selected item of the SelectionList.

The first time this binds there is no error. However, on subsequent selections from the SelectionList, the ArgumentException throws.

Edit: This happens for each column. Version 2010.2.924.35

GridView

answered on 10 Nov 2017

1 answer

185 views

Best way to display read-only RadDocuments

In my application I am using the RadRichTextBox to allow users to add formatted "Notes".

Once created, these "Notes" are displayed in a Listbox, as read-only notes.

Since there can be dozens of "Notes" on a page, I am concerned that using the RadRichTextBox in the ListBox, is a bit "heavy" performance wise.

Is there a more efficient way of displaying these?

RichTextBox

answered on 10 Nov 2017

1 answer

301 views

How to combine SeriesProvider with a LineSeries on a single plot...

I have several curves on a single plot which are populated with a SeriesProvider like as follows:

<telerik:RadCartesianChart.SeriesProvider>

<telerik:ChartSeriesProvider Source="{Binding DataToPlot.OperationConditions}">

<telerik:ChartSeriesProvider.SeriesDescriptors>

<telerik:CategoricalSeriesDescriptor ItemsSourcePath="DataPoints" ValuePath="Magnitude" CategoryPath="TimeLabel">

<telerik:CategoricalSeriesDescriptor.Style>

<Style TargetType="telerik:LineSeries" BasedOn="{StaticResource LineSeriesStyle}">

<Setter Property="LegendSettings">

<Setter.Value>

<telerik:SeriesLegendSettings Title="{Binding Name}"/>

</Setter.Value>

</Setter>

</Style>

</telerik:CategoricalSeriesDescriptor.Style>

</telerik:CategoricalSeriesDescriptor>

</telerik:ChartSeriesProvider.SeriesDescriptors>

</telerik:ChartSeriesProvider>

</telerik:RadCartesianChart.SeriesProvider>

In addition, I have another set of data which I should populate on the same plot with the same X-axis values (date/time). However these data have another order of magnitude (another physical meaning), so the only way is to add additional Y-axis on the same plot. I have the following xaml-code:

<telerik:LineSeries ItemsSource="{Binding Path=DataToPlot.VibrationConditions}"

CategoryBinding="TimeLabel"

ValueBinding="Magnitude">

<telerik:LineSeries.VerticalAxis>

<telerik:LinearAxis HorizontalLocation="Left" ElementBrush="Green"/>

</telerik:LineSeries.VerticalAxis>

</telerik:LineSeries>

When these blocks of code are located one after other, the former (data which are populated with a SeriesProvider) is depicted on a plot as I expected, but the latter (data which are populated with LineSeries) is depicted as a vertical green line to the left of the first Y-Axis (see attachment).

Is is possible to combine multiply Y-data (from various sources and distinct populating mechanism) on a single plot?

ChartView

answered on 10 Nov 2017

2 answers

328 views

GridViewComboBoxColumn with checkbox items

Hi Telerik,

I want to create a GridViewComboBoxColumn with checkbox items. I found some topics but all not corresponded with my case.

My Xaml code :

<telerik:RadGridView x:Name="RadGridViewCommunicationToUsers" CanUserInsertRows="True" CanUserFreezeColumns="False" Grid.Row="1" CanUserDeleteRows="False" CanUserReorderColumns="True" CanUserResizeColumns="True" CanUserResizeRows="True" CanUserSelect="True" CanUserSortColumns="True" SelectionMode="Single" SelectionUnit="FullRow"

AutoGenerateColumns="False" IsFilteringAllowed="False" RowIndicatorVisibility="Collapsed" ShowGroupPanel="False"

ScrollViewer.HorizontalScrollBarVisibility="Auto" ScrollViewer.VerticalScrollBarVisibility="Auto" NewRowPosition="Top" ItemsSource="{Binding CustomMessagesScheduled, UpdateSourceTrigger=PropertyChanged}" CellValidating="RadGridViewCommunicationToUsers_CellValidating" RowEditEnded="RadGridViewCommunicationToUsers_RowEditEnded" AddingNewDataItem="RadGridViewCommunicationToUsers_AddingNewDataItem" RowValidating="RadGridViewCommunicationToUsers_RowValidating">

<telerik:RadGridView.Columns>

<telerik:GridViewComboBoxColumn UniqueName="Diffusion" Header="Diffusion" TextAlignment="Center" Width="100" SelectedValueMemberPath="ID_Plant" EditTriggers="CellClick" IsComboBoxEditable="False" DisplayMemberPath="Text" ItemsSource="{Binding PlantsForUser}">

<telerik:GridViewComboBoxColumn.ItemTemplate>

<DataTemplate>

<CheckBox Content="{Binding Text}" IsChecked="{Binding IsSelected}" />

</DataTemplate>

</telerik:GridViewComboBoxColumn.ItemTemplate>

</telerik:GridViewComboBoxColumn>

</telerik:RadGridView.Columns>

</telerik:RadGridView>

My VB classes (ItemsSource for the combo and ItemsSource for the GridView) :

Public Class CustomPlant

#Region "Properties"

Private _id As Long

Public Property ID_Plant() As Long

Get

Return Me._id

End Get

Set(value As Long)

Me._id = value

End Set

End Property

Private _text As String

Public Property Text() As String

Get

Return _text

End Get

Set(ByVal value As String)

_text = value

End Set

End Property

Private _isSelected As Boolean

Public Property IsSelected() As Boolean

Get

Return Me._isSelected

End Get

Set(value As Boolean)

Me._isSelected = value

End Set

End Property

#End Region

Public Sub New(ByVal p_plantFrom As Plant)

Me.ID_Plant = p_plantFrom.ID

Me.Text = String.Format("{0} - {1}", p_plantFrom.Code, p_plantFrom.Name)

Me.IsSelected = True ' p_isSelected

End Sub

End Class

Public Class CustomMessage

Private _message As MessageSchedule

Public Property Message As MessageSchedule

Get

Return _message

End Get

Set(value As MessageSchedule)

_message = value

End Set

End Property

Private _customPlantsDiffusion As ObservableCollection(Of CustomPlant)

Public Property CustomPlantsDiffusion As ObservableCollection(Of CustomPlant)

Get

Return _customPlantsDiffusion

End Get

Set(value As ObservableCollection(Of CustomPlant))

_customPlantsDiffusion = value

End Set

End Property

'Private _selectedPlants As String

'Public ReadOnly Property SelectedPlantsAsText As String

' Get

' _selectedPlants = String.Empty

' For Each p As CustomPlant In Me.CustomPlantsDiffusion

' If p.IsSelected Then

' _selectedPlants += String.Format("{0};", p.Text)

' End If

' Next

' If _selectedPlants.Length > 2 Then

'            _selectedPlants = _selectedPlants.Substring(0, (_selectedPlants.Length - 2)) 'Remove the last ';'

' End If

' Return _selectedPlants

' End Get

' 'Set(value As String)

' ' _selectedPlants = value

' 'End Set

'End Property

Public Sub New(ByVal p_messageFrom As MessageSchedule, ByVal p_attachedPlants As ObservableCollection(Of CustomPlant))

Me.Message = p_messageFrom

Me.CustomPlantsDiffusion = p_attachedPlants

End Sub

End Class

The ItemsSource in my ViewModel :

Private _customMessagesScheduled As New ObservableCollection(Of CustomMessage)

Public Property CustomMessagesScheduled() As ObservableCollection(Of CustomMessage)

Get

Return _customMessagesScheduled

End Get

Set(ByVal value As ObservableCollection(Of CustomMessage))

_customMessagesScheduled = value

OnPropertyChanged("CustomMessagesScheduled")

End Set

End Property

The problems are :

- I want to add a "Select all" item to select or unselect all items, but I don't know how I can do it.

- I'm not sure that the binding is correct

- I want to display the selected items in the grid view cell corresponding, e.g. : Plant_1;Plant2;Plant3 if I have 3 plants selected. If all items are selected, it will be displayed "All". I can't do it with my SelectedPlantsAsText

- After I have added this colum, the "Row to add new item" doesn't works... And I don't know why.

- The good boxes should be selected depanding on CustomPlantsDiffusion by CustomMessage.

I hope you can help me, it's urgent !

Thank you very much.

GridView

answered on 10 Nov 2017

9 answers

691 views

How to add RadLegend in code behind

I am ad my charts and several Series in code behind:

RadCartesianChart chart = new RadCartesianChart();

chart.Margin = new Thickness(0, 78, 0, -13);

chart.HorizontalAxis = new CategoricalAxis();

chart.VerticalAxis = new LinearAxis();

chart.HorizontalAxis.Visibility = System.Windows.Visibility.Collapsed;

chart.VerticalAxis.Visibility = System.Windows.Visibility.Collapsed;

LineSeries line = new LineSeries();

LineSeries line2 = new LineSeries();

line.Stroke = new SolidColorBrush(Colors.Blue);

line2.Stroke = new SolidColorBrush(Colors.Red);

chart.Series.Add(line);

chart.Series.Add(line2);

his.LayoutRoot.Children.Add(chart);

And i want to add Legend for each Series in code behind.

ChartView

answered on 10 Nov 2017

1 answer

138 views

Step Line Series appearance in Sparkline?

Is there any way of replicating the look of a Step Line series (as in the RadChartView) in a Sparkline? I.e, instead of drawing lines straight between points, it treats points as "rising edges?"

Thanks

Sparkline

answered on 10 Nov 2017

1 answer

933 views

[Solved] Why my tooltip is not showing?

I used MVVM to create a data source(property), then I use RadCartesianChart to plot it. It works but I can not see the tooltip when hover mouse to the bars.

<telerik:ChartDataSource x:Name="ChartDataSource1" Items="{Binding Sales}" />

<telerik:RadCartesianChart x:Name="barSeries">

<telerik:RadCartesianChart.Behaviors>

<telerik:ChartTooltipBehavior="Top" VerticalOffset="20" />

</telerik:RadCartesianChart.Behaviors>

<telerik:RadCartesianChart.TooltipTemplate>

<DataTemplate>

<Grid>

<Path Data="M-1236,-441 L-1180,-441 -1180,-424 -1228,-424 -1230.5,-420 -1233,-424 -1236,-424 z"

Stretch="Fill" Fill="Beige" Stroke="Gray" StrokeThickness="2"/>

<StackPanel Margin="5,5,5,18">

<StackPanel Orientation="Horizontal">