Questions on UI for WPF Forum

1 answer

273 views

Excel export (ExportToXlsx) using ShowGroupHeaderRowAggregates shows poorly formatted header

When ShowGroupHeaderRowAggregates is left as True, the header aggregates are not appearing above the appropriate cells upon exporting to Excel (ExportToXlsx), but rather all scrunched together and an utterly useless mess. The RadGridView on the client looks correct as the following is set: ColumnAggregatesAlignment="NextToGroupKey" in the XAML.

What do we need to do to properly align the aggregate columns in the header for the Excel export functionality? Are there any solid examples of how to do this?

Thank you.

GridView

Spreadsheet

answered on 04 Oct 2021

1 answer

233 views

Hierarchy GridView is not working for huge children capacity

RadGridView has slow performance if grid with hierarchical data has huge children capacity (e.g. 2000 children for each node).
I'm waiting a lot of time for expand node, very slow scroll, application brings up a lot of memory.

General Discussions

GridView

answered on 04 Oct 2021

2 answers

307 views

RadRichtextbox Watermark set position to center document

Hi,

I am inserting watermark text in RadRichtextbox. Default behavior does not place watermark text in center of document.

1. I want to place watermark text in center document and 45* rotation

2. In some situation, watermark is hidden by content. For example Picture, or any content that I insert in document hides watermark text. Is there anyway to keep watermark in front all the time.

Following my code to insert watermark, and attached behavior actual and what is expected.

WatermarkTextSettings textSettings = new WatermarkTextSettings();
 textSettings.Text =
@$"USER FULL NAME HERE
Designation Details
Current Organization
{DateTime.Now:MMMM dd\,yyyy HH:mm}";

            textSettings.RotateAngle = -45;
            textSettings.Opacity = .5;
            textSettings.ForegroundColor = Colors.Gray;
            textSettings.FontSize = 48;
            textSettings.FontFamily = new FontFamily("Bahnschrift");
           
            this.editor.SetWatermarkText(textSettings);

RichTextBox

answered on 01 Oct 2021

0 answers

154 views

RichTextBox Spell Checker Proofing DocumentSpellChecker Memory not released after opening and closing multiple pop up windows/dialogs

Hello, we are using the RIchTextBox control and enabled the Caps Spell Checker. We are using PRISM MVVM pattern and using the PRISM InteractionRequest to open dialog boxes.

We are using the version Telerik UI for WPF 2021 _1_325

Please find the profiler memeory analysis, below.

This issue looks similar to the one identified in 2012, please see link below,

https://www.telerik.com/forums/spellchecker-not-releasing-memory

RichTextBox

SpellChecker

asked on 01 Oct 2021

1 answer

265 views

RadGridView: Order columns by ColumnGroup?

Hello,

I'm trying to achieve the following result:

I'm creating my columns and column groups dynamically at runtime.

The thing is, say I'm creating columns in that order:

- Column0, GROUP0

- Column1, GROUP1

- Column2, GROUP0

- Column3, GROUP1

This will result in the following:

How to achieve the result shown in the first screen? (here column0 and column2 would be in GROUP0 and column1 and column3 in GROUP1)

I only want unique column groups, otherwise it doesn't quite make sense.

Thanks!

GridView

updated answer on 01 Oct 2021

1 answer

446 views

ListBox Height Set based on Child Items

Hi Telerik Team,

I have used RAD:ListBox Control. I want to set the height of Listbox based on the height of the ListBoxItems of First 15items(Items Template I have used for Items Display). Any idea to implement this behavior.

Thanks,

Kishore Kumar

ListBox

answered on 30 Sep 2021

1 answer

161 views

Need help Styling FullTextSearch Matches

Hi

I'm using the Fluent Theme and it causes a bit of problems with our Colorblind personel.

Having the Red color together with the selected line gray color makes the text invisible for them.

I therefore want to do a couple of things :

- Change the highlight color from Red to something else (Green maybe)

- Bold the Match highlight

I've managed to change the selectedline background but fail to figure out how i change the Match highlight.

Can i get some help in that regards ?

I really suck at styling XAML and dont know how to do it other than i know i need to insert it into the APP.XAML file

GridView

answered on 29 Sep 2021

1 answer

1.2K+ views

Remove unused .dll from WPF .net 5 Project

When using Telerik with .net 5 the output includes all the Telerik .dlls even the ones that are not used. The output from a project containing an empty window is over 100mb.

With .net framework there was a way to configure the project and only include the referenced assemblies. Is there a way to do the same for a .net 5 project?

Installer and Visual Studio Extensions

answered on 29 Sep 2021

1 answer

145 views

The date part of RadDatePicker is still, i can not choose the right date.

I edited the template of RadDatePicker, when i click the left and right button to change the month, the month component of date number is totally still, won't change by different month.

I found if DayButtonStyle part is deleted, then nothing wrong. But I need to change DayButtonStyle, is there any solution?

                    <telerik:RadDatePicker Style="{DynamicResource RadDatePickerStyle1}" IsEnabled="True" IsReadOnly="False" Margin="2 0"/>

<Setter Property="DayButtonStyle">
                            <Setter.Value>
                                <Style TargetType="{x:Type Calendar:CalendarButton}">
                                    <Setter Property="FontFamily" Value="Microsoft YaHei UI"/>
                                    <Setter Property="FontSize" Value="12"/>
                                    <Setter Property="Foreground" Value="{DynamicResource BasicFont}"/>
                                    <Setter Property="BorderThickness" Value="1"/>
                                    <Setter Property="HorizontalContentAlignment" Value="Center"/>
                                    <Setter Property="VerticalContentAlignment" Value="Center"/>
                                    <Setter Property="MinWidth" Value="24"/>
                                    <Setter Property="MinHeight" Value="24"/>
                                    <Setter Property="FontWeight" Value="Normal"/>
                                    <Setter Property="FocusVisualStyle" Value="{x:Null}"/>
                                    <Setter Property="Template">
                                        <Setter.Value>
                                            <ControlTemplate TargetType="{x:Type Calendar:CalendarButton}">
                                                <Grid x:Name="LayoutRoot" Background="Transparent">
                                                    <Border x:Name="BorderVisual" BorderBrush="{TemplateBinding BorderBrush}" BorderThickness="{TemplateBinding BorderThickness}" Background="{TemplateBinding Background}" CornerRadius="10" Margin="1"/>
                                                    <ContentControl x:Name="Content" ContentTemplate="{TemplateBinding ContentTemplate}" Content="{TemplateBinding Content}" ContentStringFormat="{TemplateBinding ContentStringFormat}" Foreground="{TemplateBinding Foreground}" FontSize="{TemplateBinding FontSize}" FontFamily="{TemplateBinding FontFamily}" HorizontalAlignment="{TemplateBinding HorizontalContentAlignment}" IsTabStop="False" Margin="{TemplateBinding Padding}" VerticalAlignment="{TemplateBinding VerticalContentAlignment}"/>
                                                </Grid>
                                                <ControlTemplate.Triggers>
                                                    <Trigger Property="IsFromCurrentView" Value="False">
                                                        <Setter Property="Opacity" TargetName="Content" Value="0.6"/>
                                                    </Trigger>
                                                    <Trigger Property="IsKeyboardFocusWithin" Value="True">
                                                        <Setter Property="BorderBrush" TargetName="BorderVisual" Value="{DynamicResource BrightColor}"/>
                                                        <Setter Property="BorderThickness" TargetName="BorderVisual" Value="1"/>
                                                    </Trigger>
                                                    <Trigger Property="IsMouseOver" Value="True">
                                                        <Setter Property="Background" TargetName="BorderVisual" Value="{DynamicResource BrightColor}"/>
                                                        <Setter Property="BorderBrush" TargetName="BorderVisual" Value="{DynamicResource BrightColor}"/>
                                                        <Setter Property="Foreground" Value="White"/>
                                                    </Trigger>
                                                    <Trigger Property="IsSelected" Value="True">
                                                        <Setter Property="Background" TargetName="BorderVisual" Value="{DynamicResource BrightColor}"/>
                                                        <Setter Property="BorderBrush" TargetName="BorderVisual" Value="{DynamicResource BrightColor}"/>
                                                        <Setter Property="Foreground" Value="White"/>
                                                    </Trigger>
                                                    <Trigger Property="IsEnabled" Value="False">
                                                        <Setter Property="Opacity" TargetName="Content" Value="0.6"/>
                                                    </Trigger>
                                                    <Trigger Property="ButtonType" Value="TodayDate">
                                                        <Setter Property="BorderBrush" TargetName="BorderVisual" Value="Gray"/>
                                                        <Setter Property="Foreground" Value="{DynamicResource BasicFont}"/>
                                                        <Setter Property="FontWeight" TargetName="Content" Value="Bold"/>
                                                    </Trigger>
                                                    <MultiTrigger>
                                                        <MultiTrigger.Conditions>
                                                            <Condition Property="IsEnabled" Value="False"/>
                                                            <Condition Property="IsMouseOver" Value="True"/>
                                                        </MultiTrigger.Conditions>
                                                        <Setter Property="Foreground" TargetName="Content" Value="White"/>
                                                    </MultiTrigger>
                                                    <MultiTrigger>
                                                        <MultiTrigger.Conditions>
                                                            <Condition Property="IsFromCurrentView" Value="False"/>
                                                            <Condition Property="IsMouseOver" Value="True"/>
                                                        </MultiTrigger.Conditions>
                                                        <Setter Property="Opacity" TargetName="Content" Value="1"/>
                                                    </MultiTrigger>
                                                    <MultiTrigger>
                                                        <MultiTrigger.Conditions>
                                                            <Condition Property="ButtonType" Value="TodayDate"/>
                                                            <Condition Property="IsMouseOver" Value="True"/>
                                                        </MultiTrigger.Conditions>
                                                        <Setter Property="Foreground" TargetName="Content" Value="White"/>
                                                        <Setter Property="Background" TargetName="BorderVisual" Value="{DynamicResource BrightColor}"/>
                                                        <Setter Property="BorderBrush" TargetName="BorderVisual" Value="{DynamicResource BrightColor}"/>
                                                    </MultiTrigger>
                                                    <MultiTrigger>
                                                        <MultiTrigger.Conditions>
                                                            <Condition Property="ButtonType" Value="TodayDate"/>
                                                            <Condition Property="IsSelected" Value="True"/>
                                                        </MultiTrigger.Conditions>
                                                        <Setter Property="Background" TargetName="BorderVisual" Value="{DynamicResource BrightColor}"/>
                                                        <Setter Property="BorderBrush" TargetName="BorderVisual" Value="{DynamicResource BrightColor}"/>
                                                        <Setter Property="Foreground" Value="White"/>
                                                    </MultiTrigger>
                                                    <Trigger Property="ButtonType" Value="WeekNumber">
                                                        <Setter Property="Foreground" TargetName="Content" Value="{DynamicResource BasicFont}"/>
                                                        <Setter Property="Opacity" TargetName="Content" Value="0.2"/>
                                                        <Setter Property="Visibility" TargetName="BorderVisual" Value="Collapsed"/>
                                                    </Trigger>
                                                    <Trigger Property="ButtonType" Value="WeekName">
                                                        <Setter Property="Foreground" TargetName="Content" Value="{DynamicResource BrightColor}"/>
                                                        <Setter Property="Visibility" TargetName="BorderVisual" Value="Collapsed"/>
                                                    </Trigger>
                                                </ControlTemplate.Triggers>
                                            </ControlTemplate>
                                        </Setter.Value>
                                    </Setter>
                                </Style>
                            </Setter.Value>
                        </Setter>

I can't pick the rignt date. T - T

DatePicker

answered on 28 Sep 2021

1 answer

469 views

Stop collapse after sub menu selection

Hi,

Is there a way to stop the automatic collapse of the sub item menu when a sub item is selected. I would like to the have the sub menu still expanded after an item is selected.

Thanks

Tony

NavigationView (Hamburger Menu)

answered on 28 Sep 2021