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3 answers
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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
123 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
377 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
959 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
Rank 1
 answered on 22 Apr 2013
1 answer
377 views
Hi,

How can i setup the Label Format in RadPieChart?

Thanks
Petar Kirov
Telerik team
 answered on 19 Apr 2013
3 answers
323 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
521 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
108 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
2 answers
149 views
Hi

Are there support for custom attributes on individual elements in the RichTextBox, or some possibility to extend the RTB to support it?
What i would like to achieve is to programmatically add, say an ID (or other forms of metadata), to individual elements on the canvas such as an image, a table, footnote and so on, and then be able to track/read the attributes at a later point via exported xaml from the XamlFormatProvider.

Hope this makes sense.

Best regards,
Terje
Terje
Top achievements
Rank 1
 answered on 19 Apr 2013
1 answer
462 views
I have a RadGridView which has its ItemsSource property bound to the the DefaultView of a DataTable that is created and updated by a ViewModel.  The GridView has the AutoGenerateColumns property set to true.

When columns are added to this DataTable and the PropertyChanged event is fired, the new columns are not added to the GridView.

Also, when columns are removed from the DataTable and the PropertyChanged event is fired, the data from these columns is removed from the GridView, but not the columns themselves.

Does the AutoGenerateColumns property only generate columns when the control is initialized?  Does this behavior of dynamically removing and adding columns as the underlying DataTable is changed not exist?
Pavel Pavlov
Telerik team
 answered on 19 Apr 2013
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