The SfTimepicker tab order doesn't work, in the sample below:
-It select the control, but not the content.
-It select the content after select button
<syncfusion:DateTimeEdit x:Name="dtInicio"
HorizontalAlignment="Left"
Height="23"
Margin="23,262,0,0"
TextWrapping="Wrap"
Text="DateTimeEdit"
VerticalAlignment="Top"
Width="120"
DateTime="{Binding Meeting.From, Mode=TwoWay}"
TabIndex="1"
/>
<syncfusion:SfTimePicker x:Name="tpInicio"
HorizontalAlignment="Left"
Margin="148,262,0,0"
VerticalAlignment="Top"
FormatString="HH:mm"
Value="{Binding Meeting.From, Mode=TwoWay}"
TabIndex="2" IsTabStop="True"
/>
<Button x:Name="btnSalvar"
Content="Salvar"
HorizontalAlignment="Left"
Margin="249,315,0,0"
VerticalAlignment="Top"
Width="75" Click="btnSalvar_Click"
TabIndex="3"/>