Icon of group by

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Daniel
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Daniel asked on 27 Apr 2022, 12:34 PM

Hi,

When I open and close the group icon  show the same icon , it possible to change to plus  icon ?

Thanks,

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Lance | Manager Technical Support
Telerik team
answered on 27 Apr 2022, 01:21 PM

Hello Daniel,

Please visit and read the Grouping documentation => .NET MAUI ListView Documentation | Grouping.

You will see that the DataTemplate for the GroupHeaderTemplate has everything you need to get started designing your own custom header template.

Regards,
Lance | Manager Technical Support
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Lance | Manager Technical Support
Telerik team
commented on 27 Apr 2022, 04:04 PM

For example, try this one...

<DataTemplate x:Key="ListViewGroupHeaderTemplate">
    <Grid>
        <Grid.ColumnDefinitions>
            <ColumnDefinition Width="Auto" />
            <ColumnDefinition />
        </Grid.ColumnDefinitions>
        
        <Label Text="🤢"
               Margin="8, 12, 0, 6"
               TextColor="LightGreen"
               FontSize="Medium">
            <Label.Triggers>
                <DataTrigger TargetType="Label"
                             Binding="{Binding IsExpanded}"
                             Value="True">
                    <Setter Property="Text"
                            Value="🤮" />
                    <Setter Property="TextColor"
                            Value="DarkGreen" />
                </DataTrigger>
            </Label.Triggers>
        </Label>
        
        <Label Margin="0, 12, 0, 6"
               Text="{Binding }"
               Grid.Column="1"
               TextColor="DarkGray"
               FontSize="Medium"
               HorizontalOptions="Start" />
    </Grid>
</DataTemplate>

It will have the following result at runtime:

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Lance | Manager Technical Support
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