Questions on UI for WPF Forum

25,565 questions

1 answer

132 views

I am evaluating the option of using the DateTimePicker instead of another DateTime control. It has been a great fit for us, except for one thing.

In our system, when specifying bounds, we use an end date of 1/1/9000 to indicate that something is open-ended.

The problem is that even though I have the SelectableDateEnd and DisplayDateEnd properties set to 1/1/9000, when you open the picker, the max date is 1/1/3000.

Is there any way to alter this behavior?

DateTimePicker

answered on 24 Mar 2011

2 answers

139 views

Problem: Floating dockable panel size

Creating a RadPane by code an make it floating dockable, i can't set the floating pane size.

Y try with MinHeight.... Height....

Example

oRadPane.MinHeight = 600;

oRadPane.MinWidth = 600;

oRadPane.MakeFloatingDockable();

Always have the same default size.

Any solution?

Docking

answered on 24 Mar 2011

3 answers

193 views

More Drag & Drop Woes

This really is beyond the pale:

I have a collection of specialised appointments, i.e. objects that inherit from Appointment. They are shown in a Listbox and can be dragged onto a ScheduleView.

The additional fields in my inherited object are already set with their pertinent information. However, dragging onto the ScheduleView this information is lost.

CopyFrom in the specialised object is called many times, sometimes with the correct original information, sometimes with blank information. Always the last time is with the blank information, which is clearly wrong.

How can I make ScheduleView only copy the original source Appointment ONCE and ONCE ONLY?

2010 Q3.

ScheduleView

answered on 24 Mar 2011

2 answers

129 views

Custom Resource class

Hi,

What do I need to do to have a self defined Resource class? Currently I'm inheriting from the class Telerik.Windows.Controls.Resource. My resources are shown in the scheduler, but selection,multiselection and drag and drop does not work correctly anymore. If I add "normal" resource objects everything works fine. What do I have to consider when implementing my own resource class?

thanks in advance,

michael

ScheduleView

answered on 24 Mar 2011

0 answers

71 views

Error while binding large XML (20MB) to radtreelistview

Hi.
I am trying to bind radtreelistview with a large static XML (size 20 MB) which is placed in the application folder ,but i get an error saying "Not enough memory available for this operation".
I have set the property of this XML file as "Build Action" = content.
The binding works well if the file size is around 12MB.

What options do I need to try in order to bind large XML? Please reply

TreeListView

asked on 24 Mar 2011

4 answers

120 views

Tooltips dissapears after changeing cell

Hi is there a fault in the tooltips for the gridview/treelistview ?

Whenever I change the value of the cell the tooltip for the cell becomes null, the fault is also in your example
home->controls->data->gridview->datatemplateselectors->cell tooltips.

This is my code

private void grid_CellLoaded(object sender, CellEventArgs e)

{

ToolTip tip = new ToolTip();

tip.Content = "hello world";

//e.Cell.ToolTip = tip; -> I've tryed this and the line below.

ToolTipService.SetToolTip(e.Cell, tip);

}

I'm using the newest version of the telerik dll's.
Is there any fix or workaround ?

Best regards
Kristján.

GridView

answered on 24 Mar 2011

1 answer

106 views

Styling GridViewRow results in scrolling not working

I have a very simple sample, where have a RadGridView bound to an ObservableCollection. The only thing extra that I am doing is taking the default ControlTemplate for RadGridViewRow and putting it into the Window.Resources, WITHOUT changing the default template at all. When I do this, if I try to press PageDown to scroll down vertically, the grid ends up scrolling down a page or two and then just stops.

Here's the sample:

<Window x:Class="WPFSpike2.MainWindow"

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

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

xmlns:telerik="http://schemas.telerik.com/2008/xaml/presentation"

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

<Window.Resources>

<Style TargetType="{x:Type telerik:GridViewRow}">

<Setter Property="IsTabStop"

Value="False" />

<Setter Property="Template">

<Setter.Value>

<ControlTemplate TargetType="{x:Type telerik:GridViewRow}">

<Border BorderBrush="{TemplateBinding BorderBrush}"

BorderThickness="{TemplateBinding BorderThickness}">

<telerik:SelectiveScrollingGrid x:Name="grid">

<telerik:SelectiveScrollingGrid.ColumnDefinitions>

<ColumnDefinition Width="Auto" />

<ColumnDefinition Width="*" />

</telerik:SelectiveScrollingGrid.ColumnDefinitions>

<telerik:SelectiveScrollingGrid.RowDefinitions>

<RowDefinition Height="*" />

<RowDefinition Height="Auto" />

</telerik:SelectiveScrollingGrid.RowDefinitions>

<Border x:Name="SelectionBackground"

Background="{TemplateBinding Background}"

Grid.ColumnSpan="2"

Grid.Column="2"

Margin="{TemplateBinding Margin}"

Padding="{TemplateBinding Padding}"

telerik:SelectiveScrollingGrid.SelectiveScrollingClip="True"

VerticalAlignment="{TemplateBinding VerticalContentAlignment}" />

<Border x:Name="Background_Over"

BorderBrush="#FFFFC92B"

BorderThickness="1"

Grid.ColumnSpan="2"

Grid.Column="2"

CornerRadius="1"

Margin="1,1,1,2"

telerik:SelectiveScrollingGrid.SelectiveScrollingClip="True"

Visibility="Collapsed">

<Border BorderBrush="White"

BorderThickness="1">

<Border.Background>

<LinearGradientBrush EndPoint="0.5,1"

StartPoint="0.5,0">

<GradientStop Color="#FFFFFBA3"

Offset="1" />

<GradientStop Color="#FFFFFBDA"

Offset="0" />

</LinearGradientBrush>

</Border.Background>

</Border>

<Border x:Name="Background_Selected"

BorderBrush="#FFFFC92B"

BorderThickness="1"

Grid.ColumnSpan="2"

Grid.Column="2"

CornerRadius="1"

Margin="1,1,1,2"

telerik:SelectiveScrollingGrid.SelectiveScrollingClip="True"

Visibility="Collapsed">

<Border BorderBrush="White"

BorderThickness="1">

<Border.Background>

<LinearGradientBrush EndPoint="0.5,1"

StartPoint="0.5,0">

<GradientStop Color="#FFFCE79F"

Offset="1" />

<GradientStop Color="#FFFDD3A8" />

</LinearGradientBrush>

</Border.Background>

</Border>

<Border x:Name="Background_Invalid"

BorderBrush="#FFCE7D7D"

BorderThickness="1"

Grid.ColumnSpan="2"

Grid.Column="2"

CornerRadius="1"

Margin="1,1,1,2"

telerik:SelectiveScrollingGrid.SelectiveScrollingClip="True"

Visibility="Collapsed">

<Border BorderThickness="1">

<Border.BorderBrush>

<LinearGradientBrush EndPoint="0.5,1"

StartPoint="0.5,0">

<GradientStop Color="#FFEBF4FD" />

<GradientStop Color="#FFDBEAFD"

Offset="1" />

</LinearGradientBrush>

</Border.BorderBrush>

<Border.Background>

<LinearGradientBrush EndPoint="0.5,1"

StartPoint="0.5,0">

<GradientStop Color="#FFFCDCDC" />

<GradientStop Color="#FFFCC1C1"

Offset="1" />

</LinearGradientBrush>

</Border.Background>

</Border>

<telerik:GridViewToggleButton x:Name="PART_HierarchyExpandButton"

Grid.Column="2"

IsHitTestVisible="{Binding IsExpandable, RelativeSource={RelativeSource TemplatedParent}}"

IsTabStop="{TemplateBinding IsTabStop}"

IsChecked="{Binding IsExpanded, Mode=TwoWay, RelativeSource={RelativeSource TemplatedParent}}"

telerik:SelectiveScrollingGrid.SelectiveScrollingOrientation="Vertical"

Width="25">

<telerik:GridViewToggleButton.Opacity>

<Binding Path="IsExpandable"

RelativeSource="{RelativeSource TemplatedParent}">

<Binding.Converter>

<telerik:BooleanToOpacityConverter />

</Binding.Converter>

</Binding>

</telerik:GridViewToggleButton.Opacity>

<telerik:StyleManager.Theme>

<telerik:Office_BlackTheme />

</telerik:StyleManager.Theme>

<telerik:GridViewToggleButton.Template>

<ControlTemplate TargetType="{x:Type telerik:GridViewToggleButton}">

<Border Background="Transparent"

HorizontalAlignment="Stretch"

VerticalAlignment="Stretch">

<Border BorderBrush="{TemplateBinding BorderBrush}"

BorderThickness="{TemplateBinding BorderThickness}"

Background="{TemplateBinding Background}"

HorizontalAlignment="{TemplateBinding HorizontalContentAlignment}"

Height="9"

VerticalAlignment="{TemplateBinding VerticalContentAlignment}"

Width="9">

<Grid>

<Path x:Name="plus"

Data=

"M1.937,0L2.937,0 2.937,2.0209999 5,2.0209999 5,3.0209999 2.937,3.0209999 2.937,5 1.937,5 1.937,3.0209999 0,3.0209999 0,2.0209999 1.937,2.0209999z"

Fill="Black"

Height="5"

Margin="{TemplateBinding Padding}"

Stretch="Fill"

Stroke="{x:Null}"

Width="5" />

<Rectangle x:Name="minus"

Fill="Black"

HorizontalAlignment="Center"

Height="1"

Margin="{TemplateBinding Padding}"

Opacity="0"

RadiusY="0"

RadiusX="0"

Stroke="{x:Null}"

VerticalAlignment="Center"

Width="5" />

</Grid>

</Border>

<ControlTemplate.Triggers>

<Trigger Property="IsChecked"

Value="True">

<Setter Property="Opacity"

TargetName="plus"

Value="0" />

<Setter Property="Opacity"

TargetName="minus"

Value="1" />

</Trigger>

</ControlTemplate.Triggers>

</ControlTemplate>

</telerik:GridViewToggleButton.Template>

<telerik:GridViewToggleButton.Visibility>

<Binding Path="HasHierarchy"

RelativeSource="{RelativeSource TemplatedParent}">

<Binding.Converter>

<telerik:BooleanToVisibilityConverter />

</Binding.Converter>

</Binding>

</telerik:GridViewToggleButton.Visibility>

</telerik:GridViewToggleButton>

<Border Grid.Column="2"

telerik:SelectiveScrollingGrid.SelectiveScrollingOrientation="Vertical">

<Border.Visibility>

<Binding Path="HasHierarchy"

RelativeSource="{RelativeSource TemplatedParent}">

<Binding.Converter>

<telerik:BooleanToVisibilityConverter />

</Binding.Converter>

</Binding>

</Border.Visibility>

</Border>

<telerik:DataCellsPresenter x:Name="PART_DataCellsPresenter"

Grid.Column="3"

IsTabStop="False">

<telerik:StyleManager.Theme>

<telerik:Office_BlackTheme />

</telerik:StyleManager.Theme>

</telerik:DataCellsPresenter>

<Border x:Name="PART_RowBorder"

BorderBrush="{TemplateBinding HorizontalGridLinesBrush}"

Grid.ColumnSpan="4"

Grid.Column="1"

Grid.RowSpan="4"

telerik:SelectiveScrollingGrid.SelectiveScrollingClip="True"

VerticalAlignment="Bottom">

<Border.BorderThickness>

<Binding ConverterParameter="Bottom"

Path="HorizontalGridLinesWidth"

RelativeSource="{RelativeSource TemplatedParent}">

<Binding.Converter>

<telerik:GridLineWidthToThicknessConverter />

</Binding.Converter>

</Binding>

</Border.BorderThickness>

</Border>

<Border BorderBrush="#FF848484"

BorderThickness="0,1"

Background="#FFBBBBBB"

Grid.ColumnSpan="2"

Grid.Column="2"

Padding="6"

Grid.Row="2"

telerik:SelectiveScrollingGrid.SelectiveScrollingClip="True">

<Border.Visibility>

<Binding Path="IsExpanded"

RelativeSource="{RelativeSource TemplatedParent}">

<Binding.Converter>

<telerik:BooleanToVisibilityConverter />

</Binding.Converter>

</Binding>

</Border.Visibility>

<ContentPresenter x:Name="PART_HierarchyChildPresenter"

ContentTemplate="{TemplateBinding ContentTemplate}"

Content="{TemplateBinding Content}"

ContentStringFormat="{TemplateBinding ContentStringFormat}"

telerik:SelectiveScrollingGrid.SelectiveScrollingClip="True" />

</Border>

<telerik:DetailsPresenter x:Name="PART_DetailsPresenter"

Grid.ColumnSpan="2"

Grid.Column="2"

DetailsProvider="{TemplateBinding DetailsProvider}"

IsTabStop="False"

Grid.Row="1">

<telerik:StyleManager.Theme>

<telerik:Office_BlackTheme />

</telerik:StyleManager.Theme>

</telerik:DetailsPresenter>

<telerik:IndentPresenter x:Name="PART_IndentPresenter"

Grid.Column="1"

IsTabStop="False"

IndentLevel="{TemplateBinding IndentLevel}"

Grid.RowSpan="4"

telerik:SelectiveScrollingGrid.SelectiveScrollingOrientation="Vertical">

<telerik:StyleManager.Theme>

<telerik:Office_BlackTheme />

</telerik:StyleManager.Theme>

</telerik:IndentPresenter>

<Border x:Name="PART_IndicatorPresenter"

BorderBrush="#FF848484"

BorderThickness="0,0,1,1"

Grid.Column="0"

Grid.RowSpan="3"

telerik:SelectiveScrollingGrid.SelectiveScrollingOrientation="Vertical"

Visibility="{TemplateBinding RowIndicatorVisibility}"

VerticalAlignment="Stretch"

Width="25">

<Border x:Name="NavigatorIndicatorBackground"

BorderBrush="White"

BorderThickness="1"

Background="#FFE4E4E4">

<Grid>

<Grid x:Name="NavigatorIndicator"

HorizontalAlignment="Center"

Height="11"

Visibility="Collapsed"

VerticalAlignment="Center"

Width="11">

<Path Data=

"F1M32.0234,6.66669L24.2923,0.0248413 28.3697,0.0248413 32,3.14362 36.1492,6.70819 32,10.2728 28.4664,13.3085 24.2923,13.3085 32.0234,6.66669z"

Fill="#FF848484"

HorizontalAlignment="Center"

Height="8"

Margin="0"

Stretch="Fill"

VerticalAlignment="Center"

Width="8" />

</Grid>

<Grid x:Name="EditIndicator"

HorizontalAlignment="Center"

Height="10"

Visibility="Collapsed"

VerticalAlignment="Center"

Width="16">

<Path Data=

"M14,9L15,9 15,10 14,10z M1,9L2,9 2,10 1,10z M15,8L16,8 16,9 15,9z M0,8L1,8 1,9 0,9z M15,1L16,1 16,2 15,2z M0,1L1,1 1,2 0,2z M14,0L15,0 15,1 14,1z M1,0L2,0 2,1 1,1z"

Fill="#7F848484"

Stretch="Fill" />

<Path Data=

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Fill="#FFCBCBCB"

Margin="1"

Stretch="Fill" />

<Path Data=

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Fill="#FF848484"

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<Path Data=

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Fill="White"

Margin="2"

Stretch="Fill" />

</Grid>

<Grid x:Name="ErrorIndicator"

HorizontalAlignment="Center"

Height="16"

Visibility="Collapsed"

VerticalAlignment="Center"

Width="16">

<Path Data=

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Margin="1"

Stretch="Fill">

<Path.Fill>

<LinearGradientBrush EndPoint="0.5,1"

StartPoint="0.5,0">

<GradientStop Color="#FFFC9999"

Offset="0" />

<GradientStop Color="#FFC26666"

Offset="1" />

</LinearGradientBrush>

</Path.Fill>

</Path>

<Path Data=

"M1.4901161E-07,8L1.0000001,8 2.0000002,8 2.0000002,9 2.0000002,10 1.0000003,10 1.0000003,9 1.0000001,10 1.4901161E-07,10 1.4901161E-07,9z M1.4901161E-07,0L1.0000001,0 2.0000002,0 2.0000002,1 2.0000002,2 2.0000002,3 2.0000002,4.0000001 2.0000002,5 2.0000002,5.9999999 2.0000002,7 1.0000001,7 1.4901161E-07,7 1.4901161E-07,5.9999999 1.4901161E-07,5 1.4901161E-07,4.0000001 1.4901161E-07,3 1.4901161E-07,2 0,1z"

Fill="White"

Margin="7,3"

Stretch="Fill" />

<Path Data=

"M4,15L5,15 6,15 7,15 8,15 9,15 10,15 11,15 12,15 12,16 11,16 10,16 9,16 8,16 7,16 6,16 5,16 4,16z M12,14L13,14 13,15 12,15z M3,14L4,14 4,15 3,15z M13,13L14,13 14,14 13,14z M2,13L3,13 3,14 2,14z M14,12L15,12 15,13 14,13z M1,12L2,12 2,13 1,13z M7,11L7,12 7,13 8,13 9,13 9,12 9,11 8,11z M15,4L16,4 16,5 16,6 16,7 16,8 16,9 16,10 16,11 16,12 15,12 15,11 15,10 15,9 15,8 15,7 15,6 15,5z M0,4L1,4 1,5 1,6 1,7 1,8 1,9 1,10 1,11 1,12 0,12 0,11 0,10 0,9 0,8 0,7 0,6 0,5z M14,3L15,3 15,4 14,4z M7,3L7,4 7,5 7,6 7,7 7,8 7,9 7,10 8,10 9,10 9,9 9,8 9,7 9,6 9,5 9,4 9,3 8,3z M1,3L2,3 2,4 1,4z M13,2L14,2 14,3 13,3z M4,2L5,2 6,2 7,2 8,2 9,2 10,2 11,2 12,2 12,3 13,3 13,4 14,4 14,5 14,6 14,7 14,8 14,9 14,10 14,11 14,12 13,12 13,13 12,13 12,14 11,14 10,14 9,14 8,14 7,14 6,14 5,14 4,14 4,13 3,13 3,12 2,12 2,11 2,10 2,9 2,8 2,7 2,6 2,5 2,4 3,4 3,3 4,3z M2,2L3,2 3,3 2,3z M12,1L13,1 13,2 12,2z M3,1L4,1 4,2 3,2z M4,0L5,0 6,0 7,0 8,0 9,0 10,0 11,0 12,0 12,1 11,1 10,1 9,1 8,1 7,1 6,1 5,1 4,1z"

Stretch="Fill">

<Path.Fill>

<LinearGradientBrush EndPoint="0.5,1"

StartPoint="0.5,0">

<GradientStop Color="Red"

Offset="0" />

<GradientStop Color="#FF990000"

Offset="1" />

</LinearGradientBrush>

</Path.Fill>

</Path>

</Grid>

</Border>

</telerik:SelectiveScrollingGrid>

</Border>

<ControlTemplate.Triggers>

<MultiTrigger>

<MultiTrigger.Conditions>

<Condition Property="IsSelected"

Value="True" />

<Condition Property="DisplayVisualCues"

Value="True" />

</MultiTrigger.Conditions>

<Setter Property="Visibility"

TargetName="Background_Selected"

Value="Visible" />

<Setter Property="Background"

TargetName="NavigatorIndicatorBackground">

<Setter.Value>

<LinearGradientBrush EndPoint="0.5,1"

StartPoint="0.5,0">

<GradientStop Color="White"

Offset="0" />

<GradientStop Color="#FFE4E4E4"

Offset="1" />

</LinearGradientBrush>

</Setter.Value>

</Setter>

</MultiTrigger>

<MultiTrigger>

<MultiTrigger.Conditions>

<Condition Property="DisplayVisualCues"

Value="True" />

<Condition Property="IsMouseOver"

Value="True" />

</MultiTrigger.Conditions>

<Setter Property="Visibility"

TargetName="Background_Over"

Value="Visible" />

</MultiTrigger>

<Trigger Property="IsValid"

Value="False">

<Setter Property="Visibility"

TargetName="ErrorIndicator"

Value="Visible" />

<Setter Property="Visibility"

TargetName="EditIndicator"

Value="Collapsed" />

<Setter Property="Visibility"

TargetName="NavigatorIndicator"

Value="Collapsed" />

</Trigger>

<MultiTrigger>

<MultiTrigger.Conditions>

<Condition Property="IsValid"

Value="False" />

<Condition Property="DisplayVisualCues"

Value="True" />

</MultiTrigger.Conditions>

<Setter Property="Visibility"

TargetName="Background_Invalid"

Value="Visible" />

</MultiTrigger>

<Trigger Property="IsCurrent"

Value="True">

<Setter Property="Visibility"

TargetName="NavigatorIndicator"

Value="Visible" />

</Trigger>

<Trigger Property="IsInEditMode"

Value="True">

<Setter Property="Visibility"

TargetName="EditIndicator"

Value="Visible" />

</Trigger>

</ControlTemplate.Triggers>

</ControlTemplate>

</Setter.Value>

</Setter>

<Setter Property="Background"

Value="White" />

<Setter Property="BorderBrush"

Value="#FFCBCBCB" />

<Setter Property="BorderThickness"

Value="0" />

<Setter Property="FontWeight"

Value="Normal" />

<Setter Property="VerticalContentAlignment"

Value="Stretch" />

<Setter Property="HorizontalContentAlignment"

Value="Stretch" />

<Setter Property="Padding"

Value="0" />

<Setter Property="SnapsToDevicePixels"

Value="True" />

</Style>

</Window.Resources>

<Grid>

<Controls:RadGridView ShowGroupPanel="False"

ItemsSource="{Binding Points}"

SelectionUnit="Cell"

SelectionMode="Single"

RowHeight="25"

IsSynchronizedWithCurrentItem="False" />

</Grid>

</Window>

GridView

answered on 24 Mar 2011

1 answer

203 views

Dynamically Create Fields

I love the new DataForm! What I would like to be able to do is do what I do in the DataGrid, which is I create all the fields at runtime and the headers, then I bind the data. I see in the examples, it shows to create a DataTemplate. I guess I could create a DataTemplate at runtime and bind. But is there another way? Basically, when I send an entity to the DataForm (or DataGrid), I read the Column information from a SQL Table as to what the label is, what data type, etc.

DataForm

answered on 24 Mar 2011

1 answer

137 views

DropDown of an editable RadComboBox stays open if scrolled with mouse wheel

Hello everyone,

if you have an RadGridView with an editable RadComboBox cell, open the cell's drop down and scroll with mouse wheel it stays open (if you scroll with the scrollbar it closes).

Is there any (easy) way to enforce the same behavior when scrolling with mouse wheel as with the scroll bar?

Maybe searching the RadGridView's ScrollViewer, hooking up to ScrollChanged and then closing all editable RadComboBox drop downs, but perhaps there's another way (with smaller amount of code) available...

Thanks!,

Version: RadControls for WPF Q1 2011

Christian

GridView

answered on 24 Mar 2011

1 answer

215 views

Remove hyperlink

First of all good job on the RadRichTextBox!

I need to remove a hyperlink that is handed to me as a Span
I tried to removing it by using the RemoveHyperlink method but I just cant get the caret to move to the span's location...

how can I remove the link?

internal void RemoveEntity(Span span)

{

//TODO:set caret to span's positioning

ui_txtCtrl.RemoveHyperlink();

}

Thanks

RichTextBox

answered on 24 Mar 2011

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