I want to assign a keyboard shortcut for direct and easy navigation to a specific tab item (just like in old days, MS provided a mechanism to Captionized the UI item with &) and I do know the WPF has an alternative to that (ampersand) form Windows Forms world.. but for some reason, renaming Header elements of my tabitem with _ (underscore) does not yield anything!

 

 

 

<telerik:RadTabItem Header="_Main" />

 

<telerik:RadTabItem Header="_Customer" />

 

<telerik:RadTabItem Header="_Employee" />

What's the secret behind this? :-) Please reply ASAP. We are looking into how flexible the tool is to support quick keyboard navigations..

Cheers

 

Good day
im using Rad 2010 Q2

 

 

this code is working fine showing Icon + header
> But without save/loadlayout !
 first case :        when loading layout and it has been saved before code implemented it shows no Image
second case :   when save the new layout and trying to load it , it shows System.Windows....  instead of both (header name & image)
(raddocking flow direction is left to right and saving/loading layout is working fine before the use of header image)

help ! :) 

Thanks in advance ,sam

 

 

 

Probably a really simple one this, but I've changed the orientation of the day view to horizontal. I would now like to do the same with the resource (grouping) text. Each row is rather high, I'd like the text to read horizontally instead.

Thanks,

Dan

Hello,

I need to change the opacity of a single appointment control on the fly, but have no idea how to access the controls. I tried to get an IEnumataion by calling

MainScheduleView.ChildrenOfType<Telerik.Windows.Controls.AppointmentsControl>();

but there is no AppointmentsControl class in Telerik.Windows.Controls - only AppointmenItem but when I calling, the list is empty.
Any idea?

there is any way to define different size for each item in the radTileView?
thanks

Hi,

In our project we are using the RadGridView to display the contents of a conceptual folder: the contents of a folder can be either other folders / and / or items.
The grid contains an ObservableCollection contains objects of two types: "Folder" and "Item", which have no common base type, but both have the property called "Name" returning a string.
When the grid shows listitems which are of the same type, eg. only folders, or only items, sorting by the "Name" column (bound to the name property), works just fine.

Our problem:
When the grid shows listitems which are of the mixed types, eg. folders and items, sorting by the "Name" column (bound to the name property), only sorts the first time, but from there on does nothing.

The mentioned column is defined within the RadGridView as follows:


the collection holding both types of folder and items is defined on our model as follows:


We are leaning towards implementing custom sorting, but it feels like a workaround to do such, so our question is:
What would be your recommended approach to support sorting of mixed types in the Observable collection?

Further details:

WPF 4.5
Windows 7 64x
Telerik RadControls for WPF v2011.2.1004.40 / Runtime v4.0.30319
Language C#

Awaiting your response and kind regards.

Is there anyway from which i can change the line style to dotted... i want to do this for particular line like 9 lines will be dotted and one will be normal... I've been go through the help but found no solution... although i read somewhere to change bar graph item style but its not working for line series....

PS i want to set individual itemstyle for each line

Hi!

 

My english is not as good as I would like but I expect to be clear.

 

We have been testing testing telerik charts with Telerik 2011.2.920.35. We have detected performance issues when working with many data series in live time.

 

Our worst scenario in one RadChart is:

• Datetime XAxis
• 15 Line series (we prefer Spline series but its performance ir really poor)
• 15 YAxis
• 60 Scatter series (each line serie needs 4 scatter serie to represent related data). Number of DataPoints depends on data
• Annotations (Number depends on data)
• Custom tooltip for each datapoint of each data serie
• Show data of 1 hour (but can be more)
• First load of 15 lines * 1 hour * 60 minutes * 6 periods of 10 seconds produces 5400 datapoints
• Data refresh each 10 seconds

 

We have made a simple test project and we have seen performance issues (just resizing the window you can see the problem):

• Spline series locks the application
• Adding scatter series makes the application go slower
• Adding line series makes the application go slower

 

We have detect that you can not use AddRange to DataSerie twice. The first time it runs ok but the second time it doesn’t render the serie as it should.

 

We have seen Performance Tips and Tricks for RadChart (http://www.telerik.com/help/silverlight/radchart-performance-tips-and-tricks.html) but they are not enough for our scenario.

 

We have seen that in Q3 beta you have been working on Charts (http://blogs.telerik.com/blogs/posts/11-10-21/telerik-xaml-controls-q3-2011-beta-introduces-new-and-empowered-chartingkit.aspx). We haven’t been able to test it yet. Are this problems solved?

 

Is our scenario requirements more than Telerik RadChart can support?

 

Our test code is:

MainWindow.xaml

 

<Window x:Class="TestDataSeries.MainWindow"

        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"

        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" 

        xmlns:telerik="clr-namespace:Telerik.Windows.Controls;assembly=Telerik.Windows.Controls.Charting" 

        xmlns:Charting="clr-namespace:Telerik.Windows.Controls.Charting;assembly=Telerik.Windows.Controls.Charting" Title="MainWindow" Height="350" Width="525">

    <Grid>

        

        <Grid.RowDefinitions>

            <RowDefinition Height="*" />

            <RowDefinition Height="Auto" />

            <RowDefinition Height="Auto" />

            <RowDefinition Height="Auto" />

        </Grid.RowDefinitions>

        

        <telerik:RadChart x:Name="VariableChart"

                              AxisElementBrush="White" AxisForeground="White" Foreground="White" 

                              Background="Black">

            <telerik:RadChart.DefaultView>

                <Charting:ChartDefaultView>

                    <Charting:ChartDefaultView.ChartArea>

                        <Charting:ChartArea Background="Black">

                        </Charting:ChartArea>

                    </Charting:ChartDefaultView.ChartArea>

                </Charting:ChartDefaultView>

            </telerik:RadChart.DefaultView>

        </telerik:RadChart>

 

        <Button Content="New Line serie" Click="CreateNewLine" Grid.Row="1"></Button>

        <Button Content="New Spliline serie" Click="CreateNewSpliline" Grid.Row="2"></Button>

        <Button Content="New Scatter serie" Click="CreateNewScatter" Grid.Row="3"></Button>

 

    </Grid>

</Window>

 

MainWindow.xaml.cs

 

using System;

using System.Collections.ObjectModel;

using System.Windows;

using System.Windows.Media;

using System.Windows.Threading;

using Telerik.Windows.Controls.Charting;

namespace TestDataSeries

{

    /// <summary> 

    /// Interaction logic for MainWindow.xaml 

    /// </summary> 

    public partial class MainWindow : Window 

    {

        private Random _random = new Random();

        private DateTime _beginDate;

        public MainWindow()

        {

            InitializeComponent();

            _beginDate = DateTime.Now.AddHours(-1);

            SetUpRadChart();

            SetUpXAxis();

            SetUpTimer();

        }

        public DispatcherTimer Timer { get; set; }

        private void SetUpRadChart()

        {

            VariableChart.DefaultView.ChartTitle.Visibility = Visibility.Collapsed;

            VariableChart.DefaultView.ChartLegend.Visibility = Visibility.Collapsed;

            VariableChart.DefaultView.ChartArea.IsNoDataMessageEnabled = false;

            VariableChart.DefaultView.ChartArea.NoDataString = "No data";

            VariableChart.DefaultView.ChartArea.EnableAnimations = false;

            VariableChart.DefaultView.ChartArea.ZoomScrollSettingsX.ScrollMode = ScrollMode.None;

            VariableChart.DefaultView.ChartArea.ZoomScrollSettingsY.ScrollMode = ScrollMode.None;

            VariableChart.DefaultView.ChartArea.AxisY.Visibility = Visibility.Collapsed;

            VariableChart.DefaultView.ChartArea.AxisY.StripLinesVisibility = Visibility.Collapsed;

        }

        private void SetUpTimer()

        {

            Timer = new DispatcherTimer { Interval = TimeSpan.FromSeconds(10) };

            Timer.Tick += Timer1Tick;

        }

        private void Timer1Tick(object sender, EventArgs e)

        {

            foreach (var dataSerie in VariableChart.DefaultView.ChartArea.DataSeries)

            {

                //var pointList = new ObservableCollection<DataPoint>(); 

                //pointList.Add(new DataPoint(DateTime.Now.ToOADate(), _random.NextDouble())); 

                //This code doesn't run as expected!!!!!!!!!!!!!!! It appears to be the same as dataSerie.Add but it is not 

                //dataSerie.AddRange(pointList); 

                dataSerie.Add(new DataPoint(DateTime.Now.ToOADate(), _random.NextDouble()));

            }

        }

        private void SetUpXAxis()

        {

            VariableChart.DefaultView.ChartArea.AxisX.DefaultLabelFormat = "#VAL{yyyy-MM-dd HH:mm:ss}";

            VariableChart.DefaultView.ChartArea.AxisX.LabelRotationAngle = 270;

            VariableChart.DefaultView.ChartArea.AxisX.Title = "Time";

            VariableChart.DefaultView.ChartArea.AxisX.LayoutMode = AxisLayoutMode.Normal;

            VariableChart.DefaultView.ChartArea.AxisX.AutoRange = true;

            VariableChart.DefaultView.ChartArea.AxisX.IsDateTime = true;

        }

        private void CreateNewLine(object sender, RoutedEventArgs e)

        {

            CreateDataSerie();

            if (VariableChart.DefaultView.ChartArea.DataSeries != null && VariableChart.DefaultView.ChartArea.DataSeries.Count == 1)

                Timer.Start();

        }

        public void CreateDataSerie()

        {

            DataSeries dataSerie = new DataSeries();

            dataSerie.Definition = new LineSeriesDefinition();

            (dataSerie.Definition as LineSeriesDefinition).ShowPointMarks = false;

            (dataSerie.Definition as LineSeriesDefinition).Appearance.PointMark.Shape = MarkerShape.Circle;

            (dataSerie.Definition as LineSeriesDefinition).Appearance.PointMark.Fill = Brushes.Orange;

            (dataSerie.Definition as LineSeriesDefinition).ShowItemLabels = false;

            (dataSerie.Definition as LineSeriesDefinition).ShowItemToolTips = false;

            var pointList = new ObservableCollection<DataPoint>();

            var timerange = (DateTime.Now - _beginDate).TotalSeconds;

            var periods = timerange/10;

            for (int i = 0; i < periods; i++)

            {

                pointList.Add(new DataPoint(_beginDate.AddSeconds(i * 10).ToOADate(), _random.NextDouble()));

            }

            dataSerie.AddRange(pointList);

            VariableChart.DefaultView.ChartArea.DataSeries.Add(dataSerie);

        }

        private void CreateNewScatter(object sender, RoutedEventArgs e)

        {

            CreateScatterDataSerie();

        }

        public void CreateScatterDataSerie()

        {

            DataSeries dataSerie = new DataSeries();

            dataSerie.Definition = new ScatterSeriesDefinition();

            (dataSerie.Definition as ScatterSeriesDefinition).Appearance.PointMark.Shape = MarkerShape.Circle;

            (dataSerie.Definition as ScatterSeriesDefinition).Appearance.PointMark.Fill = Brushes.Orange;

            (dataSerie.Definition as ScatterSeriesDefinition).ShowItemLabels = false;

            (dataSerie.Definition as ScatterSeriesDefinition).ShowItemToolTips = false;

            var pointList = new ObservableCollection<DataPoint>();

            var timerange = (DateTime.Now - _beginDate).TotalSeconds;

            var periods = timerange / 10;

            for (int i = 0; i < periods; i++)

            {

                pointList.Add(new DataPoint(_beginDate.AddSeconds(i * 10).ToOADate(), _random.NextDouble()));

            }

            dataSerie.AddRange(pointList);

            VariableChart.DefaultView.ChartArea.DataSeries.Add(dataSerie);

        }

        private void CreateNewSpliline(object sender, RoutedEventArgs e)

        {

            CreateSplineDataSerie();

        }

        public void CreateSplineDataSerie()

        {

            DataSeries dataSerie = new DataSeries();

            dataSerie.Definition = new SplineSeriesDefinition();

            (dataSerie.Definition as SplineSeriesDefinition).ShowPointMarks = false;

            (dataSerie.Definition as SplineSeriesDefinition).Appearance.PointMark.Shape = MarkerShape.Circle;

            (dataSerie.Definition as SplineSeriesDefinition).Appearance.PointMark.Fill = Brushes.Orange;

            (dataSerie.Definition as SplineSeriesDefinition).ShowItemLabels = false;

            (dataSerie.Definition as SplineSeriesDefinition).ShowItemToolTips = false;

            var pointList = new ObservableCollection<DataPoint>();

            var timerange = (DateTime.Now - _beginDate).TotalSeconds;

            var periods = timerange / 10;

            for (int i = 0; i < periods; i++)

            {

                pointList.Add(new DataPoint(_beginDate.AddSeconds(i * 10).ToOADate(), _random.NextDouble()));

            }

            dataSerie.AddRange(pointList);

            VariableChart.DefaultView.ChartArea.DataSeries.Add(dataSerie);

        }

    }

}

 

 

Thank you!

I am trying to use the RadRichTextBox control. I know this error has a posting in the forums but I need to know what is the minimum version of the telerik.windows.control, telerik.windows.data, and telerik.windows.documents for .net 4.0--as we are using the .net 4 version of system.componentmodel.composition for our project.

I am using control version 2011.2.920.35, data version 2011.2.920.35, documents version 2011.2.920.35 and the componentmodel is 4.0.0.0. I got this info from properties for each file in my project.

Hello,

I want to display multiple series on RadChart, say 2 lines, where X-axis is DateTime.

The data could be something like (note that date is formatted as dd.MM.yyyy):

Series 1:
Date - value
01.01.2011 - 10.2 €
01.02.2011 - 96.7 €
...
01.01.2012 - 17.9 €

Series 2:
Date - value
01.05.2011 - 12.2 €
01.06.2011 - 91.2 €
...
01.02.2012 - 12.5 €

The series min start is 01.01.2011 (series1) and max end is 01.02.2012 (series2)

Is it possible to have x-axis only show ticks from start to the end of the period (series1 -> series2) with one tick being one month exacly ? In other words, I want the x-axis to show months between the range of data. How would that be achievable ?

This is quite urgent, please advice.

Thanks!