Disable draw relation in Gantt view

[Prolay]

Hi,

I want to disable the draw relation feature in a particular Gantt View. How will i be able to achieve it.



Thanks and Regards,
Prolay

[Masha]

Hello Prolay,

Sorry for the late reply.

The easiest way to disable drag relations is to remove their definitions form the control template of EventDecoratorContainer inside RadGanttView. I demonstrated what changes should be implemented inside App.xaml in the attached file to achieve the approach.

I hope it helps.

All the best,
Maria
the Telerik team

[Anne Lyon]

Isn't there a simple way to make a GanttView ReadOnly? I don't want my user to either draw relations, move or resize any tasks.
Anne

[Miroslav Nedyalkov]

Hi Anne,

Thank you for your feedback.

Currently the easiest way to make the GanttView control read-only is using the theme - from it you can disable the drag&drop functionality and to hide the extra visuals, meant for editing. For future we will consider one stop solution for read-only mode.

All the best,
Miroslav Nedyalkov
the Telerik team

[Guilherme]

HI Masha,

You solution worked as planned. However, as far as I know, it modify the gantt behaviour in all pages of the application. 
Is it possible to modify a specific gantt view, applying the style to the EventDecoratorContainer ?



[quote]Masha said:Hello Prolay,

Sorry for the late reply.

The easiest way to disable drag relations is to remove their definitions form the control template of EventDecoratorContainer inside RadGanttView. I demonstrated what changes should be implemented inside App.xaml in the attached file to achieve the approach.

I hope it helps.

All the best,
Maria
the Telerik team

 

 

[/quote]

[Masha]

Hi Prolay,

You can defined different EventDecorator container styles as a separate style in a scope of RadGanttView. Please check the code snippet below:

<telerik:RadGanttView Grid.Row="1" VisibleRange="{Binding VisibleRange}" TasksSource="{Binding Tasks}"

PixelLength="00:30:00"

HighlightedItemsSource="{Binding HighlightedItems}">

<telerik:RadGanttView.Resources>

 

<Style TargetType="telerik:EventDecoratorContainer">

    <Setter Property="telerik:ZIndexManager.ZIndex" Value="40" />

    <Setter Property="MilestoneContainerMargin" Value="-6 0" />

    <Setter Property="SummaryContainerMargin" Value="-4 0" />

    <Setter Property="Template">

        <Setter.Value>

            <ControlTemplate TargetType="gantt:EventDecoratorContainer">

            ...

            </ControlTemplate>

        </Setter.Value>

    </Setter>

</Style>

</telerik:RadGanttView.Resources>

I hope this helps.

Regards,
Masha
Telerik