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                                  • Hello, I use TreeListControl in my application and some cell of this control is disabled. And I want to show tooltip on disabled cell with the reason why the cell is disabled. I do it this way

                                    [C#]
                                    <dxg:TreeListControl x:Name="UxAssignedResources" Grid.Row="0" ...> <dxg:TreeListControl.Columns> <dxg:TreeListColumn AllowColumnFiltering="False" FieldName="InUse"> <dxg:TreeListColumn.CellStyle> <Style TargetType="{x:Type dxg:GridCellContentPresenter}"> <Setter Property="IsEnabled" Value="{Binding Path=DataContext.Row.CanChangeInUseValue, RelativeSource={RelativeSource AncestorType=dxg:GridRow}, Mode=OneWay}" /> <Setter Property="ToolTip" Value="Some tooltip" /> </Style> </dxg:TreeListColumn.CellStyle> </dxg:TreeListColumn>

                                    But tooltip doesn't appear when cell is disabled. Is there any suggestion how to make tooltip visible on disabled cell?

                                1 Solution

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                                Hello,
                                To resolve this issue, you need to set the ToolTipService.ShowOnDisabled attached property to "True" in TreeListColumn's CellStyle in the following manner:

                                [XAML]
                                <dxt:TreeListColumn.CellStyle> <Style TargetType="{x:Type dxt:GridCellContentPresenter}"> ... <Setter Property="ToolTipService.ShowOnDisabled" Value="True"/> </Style> </dxt:TreeListColumn.CellStyle>

                                Thanks,
                                Kirill