VisualStateManager.RaiseCurrentStateChanging Method
Definition
Important
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Raises the CurrentStateChanging event on the specified VisualStateGroup object.
protected:
void RaiseCurrentStateChanging(System::Windows::VisualStateGroup ^ stateGroup, System::Windows::VisualState ^ oldState, System::Windows::VisualState ^ newState, System::Windows::FrameworkElement ^ control, System::Windows::FrameworkElement ^ stateGroupsRoot);protected void RaiseCurrentStateChanging (System.Windows.VisualStateGroup stateGroup, System.Windows.VisualState oldState, System.Windows.VisualState newState, System.Windows.FrameworkElement control, System.Windows.FrameworkElement stateGroupsRoot);member this.RaiseCurrentStateChanging : System.Windows.VisualStateGroup * System.Windows.VisualState * System.Windows.VisualState * System.Windows.FrameworkElement * System.Windows.FrameworkElement -> unitProtected Sub RaiseCurrentStateChanging (stateGroup As VisualStateGroup, oldState As VisualState, newState As VisualState, control As FrameworkElement, stateGroupsRoot As FrameworkElement)Parameters
- stateGroup
- VisualStateGroup
The object that the CurrentStateChanging event occurred on.
- oldState
- VisualState
The state that the control is transitioning from.
- newState
- VisualState
The state that the control is transitioning to.
- control
- FrameworkElement
The control that is transitioning states.
- stateGroupsRoot
- FrameworkElement
The root element that contains the VisualStateManager.
Exceptions
Remarks
When the VisualStateGroup is set on the ControlTemplate of a control, the control parameter is set to the control that owns ControlTemplate. When the VisualStateGroup is set on a FrameworkElement, control is null and you should use the stateGroupsRoot parameter.
Notes to Inheritors
When overriding RaiseCurrentStateChanging(VisualStateGroup, VisualState, VisualState, FrameworkElement, FrameworkElement) in a derived class, be sure to call the base class' RaiseCurrentStateChanging(VisualStateGroup, VisualState, VisualState, FrameworkElement, FrameworkElement) method so that registered delegates receive the event.
