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Tooltip not showing up
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Saravanan Thiruchabai
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Saravanan Thiruchabai asked on 19 Mar 2010, 09:51 PM
Hi,
  
    I have a lineseries chart. When I set the ScrollMode as ScrollAndZoom (ScrollMode = ScrollMode.ScrollAndZoom) I dont see the tooltip showing up. When I set the ScrollMode as None. Then i see the tooltip. Wont the tooltip work when the chart is zoomable?

Thanks
Saran

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Giuseppe
Telerik team
answered on 22 Mar 2010, 12:05 PM
Hi Saravanan,

Indeed the current official version of the control did not support interactivity features (tooltips, click event) when zooming & scrolling was enabled. Our developers were able to address this limitation and you can download the latest internal build from your Client.Net account that supports interactivity in zooming & scrolling scenarios.

Hope this helps.


Regards,
Freddie
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Saravanan Thiruchabai
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answered on 22 Mar 2010, 03:51 PM
Hi Freddie

  What is the internal build version?

Thanks
Saravanan
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Giuseppe
Telerik team
answered on 23 Mar 2010, 09:38 AM
Hi Saravanan,

The version of the internal build should be 2010.1.319.

Hope this helps.


Greetings,
Freddie
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Steve
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answered on 29 Jun 2010, 08:08 PM
mousedown events seem ok, but mouseup events are not happening for chart with a custom point mark style in version #2010.1.603.1040
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Steve
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answered on 29 Jun 2010, 08:11 PM
oops, mouseup not working with custompointmark style and ScrollAndZoom
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Giuseppe
Telerik team
answered on 02 Jul 2010, 12:16 PM
Hello Steve,

You can achieve the desired functionality by capturing the mouse in the MouseDown event, and then releasing it in the MouseUp event like this:

XAML
<UserControl.Resources>
    <Style x:Key="CustomPointMarkStyle" TargetType="telerik:PointMark">
        <Setter Property="Size" Value="10" />
        <Setter Property="Template">
            <Setter.Value>
                <ControlTemplate TargetType="telerik:PointMark">
                    <Canvas>
                        <Path x:Name="PART_PointMarkPath"
                                MouseLeftButtonDown="PART_PointMarkPath_MouseLeftButtonDown"
                                MouseLeftButtonUp="PART_PointMarkPath_MouseLeftButtonUp"
                                Canvas.Left="{TemplateBinding PointMarkCanvasLeft}"
                                Canvas.Top="{TemplateBinding PointMarkCanvasTop}"
                                Style="{TemplateBinding ShapeStyle}"
                                Width="{TemplateBinding Size}"
                                Height="{TemplateBinding Size}"
                                Stretch="Fill">
                            <Path.Data>
                                <PathGeometry x:Name="PART_PointMarkPathGeometry" />
                            </Path.Data>
                        </Path>
                    </Canvas>
                </ControlTemplate>
            </Setter.Value>
        </Setter>
    </Style>
</UserControl.Resources>
 
<Grid x:Name="LayoutRoot" Background="White">
    <telerik:RadChart x:Name="RadChart1" />
</Grid>

C#
public SilverlightControl1()
{
    InitializeComponent();
 
    List<ChartData> data = new List<ChartData>();
    //...
 
    RadChart1.DefaultSeriesDefinition = new LineSeriesDefinition() { PointMarkItemStyle = this.Resources["CustomPointMarkStyle"] as Style };
 
    RadChart1.DefaultView.ChartArea.ZoomScrollSettingsX.ScrollMode = ScrollMode.ScrollAndZoom;
    RadChart1.DefaultView.ChartArea.ZoomScrollSettingsY.ScrollMode = ScrollMode.ScrollAndZoom;
    RadChart1.ItemsSource = data;
}
 
private void PART_PointMarkPath_MouseLeftButtonDown(object sender, System.Windows.Input.MouseButtonEventArgs e)
{
    (sender as UIElement).CaptureMouse();
}
 
private void PART_PointMarkPath_MouseLeftButtonUp(object sender, System.Windows.Input.MouseButtonEventArgs e)
{
    (sender as UIElement).ReleaseMouseCapture();
}

Hope this helps.


All the best,
Freddie
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Saravanan Thiruchabai
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Giuseppe
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Saravanan Thiruchabai
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Steve
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