Dropdown Customization in WinUI Date Picker
19 Apr 20226 minutes to read
This section describes about various dropdown customization options available in Date Picker control.
Customize the dropdown button
You can customize the UI of dropdown button by using the DropDownButtonTemplate
property. The DataContext
of DropDownButtonTemplate
property is SfDatePicker
.
<editors:SfDatePicker
x:Name="sfDatePicker"
PlaceholderText="pick a travel date">
<editors:SfDatePicker.DropDownButtonTemplate>
<DataTemplate>
<Grid>
<Grid.Resources>
<x:String x:Key="flight">M11.294993,2L15.378997,14 15.277995,14 13.188995,14 9.1429941,14 7.6250149,14 6.9399958,14 6.0199964,11.5 3.2099977,11.5 4.725997,16.014 3.2099977,20.5 6.0199964,20.5 6.8039956,18 7.6250201,18 8.8379947,18 15.288014,18 15.365021,18.000015 11.436984,30.000015 14.368989,30.000015 20.100004,18.000015 20.273989,18.000015 27.989002,18C29.084003,18 29.975004,17.121 29.975004,15.96 29.975004,14.879 29.084003,14 27.989002,14L22.309006,14 20.211995,14 20.096004,14 14.368996,2z M8.6259891,0L15.719998,0 21.367719,12 27.989002,12C30.205004,12,32.001007,13.773,32.001007,15.96L32.001007,16.04C32.001007,18.227,30.205004,20,27.989002,20L21.366735,20 15.719025,32.000015 8.6260106,32.000015 12.536309,20 8.2531061,20 7.5219953,22.5 0,22.5 2.5709982,16.013 0,9.5 7.4539952,9.5 8.3923279,12 12.537137,12z</x:String>
</Grid.Resources>
<Path
Width="20"
Height="20"
HorizontalAlignment="Center"
VerticalAlignment="Center"
Data="{StaticResource flight}"
Fill="{Binding Foreground, RelativeSource={RelativeSource Mode=TemplatedParent}}"
RenderTransformOrigin="0.5,0.5"
Stretch="Uniform" />
</Grid>
</DataTemplate>
</editors:SfDatePicker.DropDownButtonTemplate>
</editors:SfDatePicker>
NOTE
Download demo application from GitHub
Hide dropdown button
You can hide the dropdown button in Date Picker
by setting the ShowDropDownButton
property value as false
. The default value of ShowDropDownButton
property is true
.
NOTE
To open a dropdown date spinner, press the
Alt
+Down Arrow
keys.
<editors:SfDatePicker
x:Name="sfDatePicker"
ShowDropDownButton="False" />
SfDatePicker sfDatePicker = new SfDatePicker();
sfDatePicker.ShowDropDownButton = false;
NOTE
Download demo application from GitHub
Change dropdown alignment
You can change the alignment of the dropdown date spinner as full, center, left, right, top or bottom edge by using the DropDownPlacement property. The default value of DropDownPlacement
property is Auto
.
NOTE
If you change the dropdown alignment by using
DropDownPlacement
property and there is not sufficient space, thenDate Picker
smartly shifts the spinner alignment.
<editors:SfDatePicker
x:Name="sfDatePicker"
DropDownPlacement="BottomEdgeAlignedLeft" />
SfDatePicker sfDatePicker = new SfDatePicker();
sfDatePicker.DropDownPlacement = FlyoutPlacementMode.BottomEdgeAlignedLeft;
NOTE
Download demo application from GitHub
Open dropdown programmatically
You can open or close the dropdown date spinner programmatically by setting IsOpen property value as true or false. The default value of IsOpen
property is false.
<editors:SfDatePicker
x:Name="sfDatePicker"
IsOpen="True"/>
SfDatePicker sfDatePicker = new SfDatePicker();
sfDatePicker.IsOpen = true;
NOTE
Download demo application from GitHub
Change dropdown height
You can change the height of dropdown date spinner by using the DropDownHeight
property. Based on the value of DropDownHeight
, ItemWidth
and ItemHeight
properties, particular date items will be visible. The default value of DropDownHeight
property is NaN
.
<editors:SfDatePicker
x:Name="sfDatePicker"
DropDownHeight="200"/>
SfDatePicker sfDatePicker = new SfDatePicker();
sfDatePicker.DropDownHeight = 200;
NOTE
Download demo application from GitHub
Change the number of dates to be shown in the dropdown
You can change the number of dates to be shown in the dropdown date spinner by using the VisibleItemsCount property. The default value of VisibleItemsCount
property is -1
.
<editors:SfDatePicker
x:Name="sfDatePicker"
VisibleItemsCount="5" />
SfDatePicker sfDatePicker = new SfDatePicker();
sfDatePicker.VisibleItemsCount = 5;
NOTE
Download demo application from GitHub
s
WhenDropDownHeight
andVisibleItemsCount
properties are set,VisibleItemsCount
property have higher precedence.