Good NumericUpDown equivalent in WPF? [closed] - wpf

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I'm looking for a simple NumericUpDown (a.k.a. number spinner) control in WPF. This seems to be another lacking control in WPF. There must be some existing ones out there and I don't like to re-invent the wheel.

Answer 1

The Extended WPF Toolkit has one: NumericUpDown

Answer 2

A control that is missing from the original set of WPF controls, but much used, is the NumericUpDown control. It is a neat way to get users to select a number from a fixed range, in a small area. A slider could be used, but for compact forms with little horizontal real-estate, the NumericUpDown is essential.
Solution A (via WindowsFormsHost)
You can use the Windows Forms NumericUpDown control in WPF by hosting it in a WindowsFormsHost. Pay attention that you have to include a reference to System.Windows.Forms.dll assembly.
<Window x:Class="WpfApplication61.MainWindow"
xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
xmlns:wf="clr-namespace:System.Windows.Forms;assembly=System.Windows.Forms"
Title="MainWindow" Height="350" Width="525">
<StackPanel>
<WindowsFormsHost>
<wf:NumericUpDown/>
</WindowsFormsHost>
...
Solution B (custom)
There are several commercial and codeplex versions around, but both involve installing 3rd party dlls and overheads to your project. Far simpler to build your own, and a aimple way to do that is with the ScrollBar.
A vertical ScrollBar with no Thumb (just the repeater buttons) is in fact just what we want. It inherits rom RangeBase, so it has all the properties we need, like Min, Max, and SmallChange (set to 1, to restrict it to Integer values)
So we change the ScrollBar ControlTemplate. First we remove the Thumb and Horizontal trigger actions. Then we group the remains into a grid and add a TextBlock for the number:
<Grid Margin="2">
<Grid.ColumnDefinitions>
<ColumnDefinition/>
<ColumnDefinition />
</Grid.ColumnDefinitions>
<TextBlock VerticalAlignment="Center" FontSize="20" MinWidth="25" Text="{Binding Value, RelativeSource={RelativeSource TemplatedParent}}"/>
<Grid Grid.Column="1" x:Name="GridRoot" Width="{DynamicResource {x:Static SystemParameters.VerticalScrollBarWidthKey}}" Background="{TemplateBinding Background}">
<Grid.RowDefinitions>
<RowDefinition MaxHeight="18"/>
<RowDefinition Height="0.00001*"/>
<RowDefinition MaxHeight="18"/>
</Grid.RowDefinitions>
<RepeatButton x:Name="DecreaseRepeat" Command="ScrollBar.LineDownCommand" Focusable="False">
<Grid>
<Path x:Name="DecreaseArrow" Stroke="{TemplateBinding Foreground}" StrokeThickness="1" Data="M 0 4 L 8 4 L 4 0 Z"/>
</Grid>
</RepeatButton>
<RepeatButton Grid.Row="2" x:Name="IncreaseRepeat" Command="ScrollBar.LineUpCommand" Focusable="False">
<Grid>
<Path x:Name="IncreaseArrow" Stroke="{TemplateBinding Foreground}" StrokeThickness="1" Data="M 0 0 L 4 4 L 8 0 Z"/>
</Grid>
</RepeatButton>
</Grid>
</Grid>
Sources:
Is there a numericUpDown component in wpf?
WPF NumericUpDown from retemplating a ScrollBar

Answer 3

If commercial solutions are ok, you may consider this control set:
WPF Elements by Mindscape
It contains such a spin control and alternatively (my personal preference) a spin-decorator, that can decorate various numeric controls (like IntegerTextBox, NumericTextBox, also part of the control set) in XAML like this:
<WpfElements:SpinDecorator>
<WpfElements:IntegerTextBox Text="{Binding Foo}" />
</WpfElements:SpinDecorator>

Answer 4

add a textbox and scrollbar
in VB
Private Sub Textbox1_ValueChanged(ByVal sender As System.Object, ByVal e As System.Windows.RoutedPropertyChangedEventArgs(Of System.Double)) Handles Textbox1.ValueChanged
If e.OldValue > e.NewValue Then
Textbox1.Text = (Textbox1.Text + 1)
Else
Textbox1.Text = (Textbox1.Text - 1)
End If
End Sub