CODEWITHSUNDEEP
c#silverlightvisualstategroup
meds
meds

Reputation: 22996

VisualStateGroups not found?

I have a XAML of a ui control (which inherits from a button) and have various visual state groups in it as follows:

                            <vsm:VisualStateGroup x:Name="CommonStates">
                                <vsm:VisualState x:Name="Normal"/>
                                <vsm:VisualState x:Name="MouseOver">
                                </vsm:VisualState>
                                <vsm:VisualState x:Name="Pressed">
                                    <Storyboard>
                                        <ColorAnimation Duration="0" To="Green" Storyboard.TargetName="border" Storyboard.TargetProperty="(UIElement.Background).(SolidColorBrush.Color)" />
                                        <DoubleAnimation Duration="0" To="0.94" Storyboard.TargetName="border" Storyboard.TargetProperty="(UIElement.RenderTransform).(TransformGroup.Children)[0].(ScaleTransform.ScaleX)" />
                                        <DoubleAnimation Duration="0" To="0.94" Storyboard.TargetName="border" Storyboard.TargetProperty="(UIElement.RenderTransform).(TransformGroup.Children)[0].(ScaleTransform.ScaleY)" />
                                    </Storyboard>
                                </vsm:VisualState>
                                <vsm:VisualState x:Name="Disabled">
                                    <Storyboard/>
                                </vsm:VisualState>
                            </vsm:VisualStateGroup>

                            <vsm:VisualStateGroup x:Name="MyState">
                                <vsm:VisualState x:Name="Pressed_Green">
                                    <Storyboard>
                                        <ColorAnimation Duration="0" To="Yellow" Storyboard.TargetName="border" Storyboard.TargetProperty="(UIElement.Background).(SolidColorBrush.Color)" />
                                        <DoubleAnimation Duration="0" To="0.94" Storyboard.TargetName="border" Storyboard.TargetProperty="(UIElement.RenderTransform).(TransformGroup.Children)[0].(ScaleTransform.ScaleX)" />
                                        <DoubleAnimation Duration="0" To="0.94" Storyboard.TargetName="border" Storyboard.TargetProperty="(UIElement.RenderTransform).(TransformGroup.Children)[0].(ScaleTransform.ScaleY)" />
                                    </Storyboard>
                                </vsm:VisualState>
                            </vsm:VisualStateGroup>




                        </vsm:VisualStateManager.VisualStateGroups>

In codebehind in the onapplytemplte function I try:

VisualStateManager.GetVisualStateGroups(this).Count

But the return value is '0', shouldn't it be 2?

Upvotes: 2

Views: 1348

Answers (1)

CodeNaked
CodeNaked

Reputation: 41403

The VisualStateManager.VisualStateGroups is set on the root element in the control template of your control (i.e. this), not on the control itself. You would need to give your root element an x:Name and then access it using GetTemplateChild.

Upvotes: 2

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