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UI for WPF Forum
2 answers
155 views
I seems experience very bad performance degrade when I use drag and drop RadListbox.  The version I use is RadControls for WPF Q1 2012 SP1.  Here is my xaml code for the lisbox:

<telerik:RadListBox ItemsSource="{Binding Offices}" DisplayMemberPath="Name" Height="Auto" Margin="10,0,0,10" Grid.Row="2" Grid.Column="1" Width="120">
    <telerik:RadListBox.DragVisualProvider>
        <teleric:ScreenshotDragVisualProvider />
    </telerik:RadListBox.DragVisualProvider>
    <telerik:RadListBox.DragDropBehavior>
        <teleric:ListBoxDragDropBehavior />
    </telerik:RadListBox.DragDropBehavior>
</telerik:RadListBox>

The Offices binding to ItemsSource above has about total 500 records and type is List<string>.  Any recommendations or solutions are welcome.
Thanks,
Kangming
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 answered on 22 Apr 2013
5 answers
236 views
I have dynamically created and added series on my chart. Each of these series has its own vertical axis which is created in the following way:

LinearAxis linearAxis = new LinearAxis { Title = "Violet Bar Axis", Maximum = maxValue + 1 };
barSeries.VerticalAxis = linearAxis;

I have vertical and horizontal zooming setup for my chart in my xaml:

<Controls:RadCartesianChart.Behaviors>
                <ChartView:ChartPanAndZoomBehavior ZoomMode="Both" PanMode="Both" />
                <ChartView:ChartTrackBallBehavior ShowIntersectionPoints="True" ShowTrackInfo="True" TrackInfoUpdated="ChartTrackBallBehavior_TrackInfoUpdated"/>
</Controls:RadCartesianChart.Behaviors>

Why do I not see zooming on my vertical axes?

Is there something else I can setup when I dynamically create the axis?
Missing User
 answered on 22 Apr 2013
3 answers
290 views
I'm working on a project using RadPDFViewer. We've implemented multiple Windows 8 style themes with the following code snippet:

Windows8Palette.Palette.MainColor = ((SolidColorBrush)dictionary["BasicControlBackground"]).Color;
Windows8Palette.Palette.AccentColor = ((SolidColorBrush)dictionary["BasicDarkAccentColor"]).Color;
Windows8Palette.Palette.BasicColor = ((SolidColorBrush)dictionary["BasicHighlightColor"]).Color;
Windows8Palette.Palette.StrongColor = ((SolidColorBrush)dictionary["BasicControlForegroundColor"]).Color;
Windows8Palette.Palette.MarkerColor = ((SolidColorBrush)dictionary["BasicDarkAccentColor"]).Color;
 
StyleManager.ApplicationTheme = new Windows8Theme();

...in which the color brushes above are swapped out at runtime inside merged resource dictionaries.This gives us the ability to create a Light/Dark theme controlled by a dropdown.

However, we're finding that the colors used in some of the controls aren't acting the way we want (focus color in one control seems be be used for content elswhere), so we're customizing the templates. We've had good success with this approach so far, but the PDFViewer is being difficult.

Specifically, we want to force the page of the pdf (ie: just the area under the pdf itself, not the border around the page) to be white regardless of what background color we're using in other controls.

There seem to be a few possibilities for achieving this:
- Using a different theme (Office Dark, Vista etc...) for the PDFViewer and applying it explicitly. The downside is that we will no longer be able to apply an application wide theme and will have to specify the Windows 8 theme on all other controls.
- Figuring out how to override the template of the PDFViewer in a way that provides access to the page background. I haven't been able to figure this out.
- Applying different values for the Windows 8 palette for just the PDFViewer. As near as I can tell, the palette is global so no way to do it.

Is there a smarter way to go about this?
Todor
Telerik team
 answered on 22 Apr 2013
3 answers
93 views
if pdf file come from Pdfsharp
   if fontName.words.count>1
      telerik.pdfviewer cant display
      adobe reader can display
      c1.pdfviewer can display

Example: "Arial" works. "Arial Black"  and "Times New Roman"  not works.

PS: Pdfsharp => http://www.pdfsharp.net

Kammen
Telerik team
 answered on 22 Apr 2013
1 answer
351 views
I have a project that is currently using the WPF control suite. What I would like to do is import data from an xlsx spreadsheet into a DataSet.

There's really two aspects to the solution. First is a discovery-type service where I can get worksheet names, row by column counts, and then column data types. Secondly, I would like to import the data from a worksheet into a DataSet. Ideally without displaying a spreadsheet control as the process would be automated.

Of secondary importance is the reverse. E.g., open/create a workbook, create a new or clear an existing worksheet, and (append) data to a given worksheet.

Rather than include another vendor's library, I would like to do this with the currently used Telerik suite. I don't see any significant discussion in the product descriptions or forums so I am raising the question here.
Andrew
Telerik team
 answered on 22 Apr 2013
22 answers
813 views
Hi, I have a problem while using RadWindow as the picture showing.
The two windows showed error!
The first window with a gray WinForm DataGridView in a WindowsFormsHost,
and the second window whit a red one.
AS the picture showing, the red window cannot display normally.
Is there any way to solve this problem?

Wish your help.
Thank you !

My xaml code:
<Page x:Class="WpfBrowserApplication9.Page1" 
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" 
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" 
    Title="Page1" xmlns:my="clr-namespace:Telerik.Windows.Controls;assembly=Telerik.Windows.Controls.Navigation" 
          xmlns:wfi="clr-namespace:System.Windows.Forms.Integration;assembly=WindowsFormsIntegration" 
    xmlns:wf="clr-namespace:System.Windows.Forms;assembly=System.Windows.Forms">  
    <Grid> 
        <my:RadWindow Name="radWindow1" VerticalAlignment="Top" > 
            <wfi:WindowsFormsHost Height="200" Width="300">  
                <wf:DataGridView x:Name="xy"></wf:DataGridView> 
            </wfi:WindowsFormsHost> 
        </my:RadWindow> 
        <my:RadWindow Name="radWindow2">  
            <wfi:WindowsFormsHost Height="200" Width="300">  
                <wf:DataGridView x:Name="xzy" BackgroundColor="Red"></wf:DataGridView> 
            </wfi:WindowsFormsHost> 
        </my:RadWindow> 
        <telerik:RadButton Height="23" HorizontalAlignment="Right" Margin="0,0,48,2" Name="radButton1" VerticalAlignment="Bottom" Width="75" xmlns:telerik="http://schemas.telerik.com/2008/xaml/presentation" Click="radButton1_Click">Button</telerik:RadButton> 
    </Grid> 
</Page> 
and code behind:
using System;  
using System.Collections.Generic;  
using System.Linq;  
using System.Text;  
using System.Windows;  
using System.Windows.Controls;  
using System.Windows.Data;  
using System.Windows.Documents;  
using System.Windows.Input;  
using System.Windows.Media;  
using System.Windows.Media.Imaging;  
using System.Windows.Navigation;  
using System.Windows.Shapes;  
 
namespace WpfBrowserApplication9  
{  
    /// <summary>  
    /// Page1.xaml  
    /// </summary>  
    public partial class Page1 : Page  
    {  
        public Page1()  
        {  
            InitializeComponent();  
            radWindow1.Show();  
        }  
 
        private void radButton1_Click(object sender, RoutedEventArgs e)  
        {  
            radWindow2.Show();  
        }  
 
    }  

LittleDragon
Top achievements
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 answered on 22 Apr 2013
1 answer
343 views
Hi,

How can i setup the Label Format in RadPieChart?

Thanks
Petar Kirov
Telerik team
 answered on 19 Apr 2013
3 answers
274 views
Hi,

I'm using RadWindow in my project and for each of them I set the following in my xaml:

    <telerik:RadWindow.IconTemplate>
        <DataTemplate>
            <Image Source="Resources/About_32x32.png" Height="24" Width="24" Stretch="Fill" Margin="0 0 3 0" />
        </DataTemplate>
    </telerik:RadWindow.IconTemplate>

When my RadWindow is visible, the ico attache to my RadWindow is clearly the one I have in my IconTemplate. When I minimize my RadWindow on my taskbar, the icon on the taskwindow is the default one (a small window).

Thank's
N Mackay
Top achievements
Rank 1
 answered on 19 Apr 2013
4 answers
483 views
Hi'
I would like to use custom shapes together with MVVM. I have followed the online documentation regarding MVVM and RadDiagram:
http://www.telerik.com/help/wpf/raddiagrams-howto-mvvm.html
But I do not know how to create custom shapes when using MVVM - could you please provide an example?
Thanks,
Michael
Tina Stancheva
Telerik team
 answered on 19 Apr 2013
1 answer
93 views
I have a RadGridView in a Word AddIn, and my users want to use the "Contains" or "IsEqualTo" features of the filtering.

This AddIn just contains the RadGridView and a pager, so the height of the Addin is only as high as those two added together.

This all works just fine as long as the grid is expanded vertically enough so that the "Contains" or "IsEqualTo" textboxes are over the Addin, but if the grid height is decreased so that "Contains" or "IsEqualTo" is now over some other part of Word, if I try to type into "Contains", I'm really typing into the Word document.

Any assistance on getting the Filter dropdown to retain it's focus?

Thanks!

-Dave
Yoan
Telerik team
 answered on 19 Apr 2013
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