// Token: 0x06000CF1 RID: 3313 RVA: 0x0002FF14 File Offset: 0x0002E114
private static bool GoToStateCommon(FrameworkElement control, FrameworkElement stateGroupsRoot, string stateName, bool useTransitions)
{
if (stateName == null)
{
throw new ArgumentNullException("stateName");
}
if (stateGroupsRoot == null)
{
return(false);
}
IList <VisualStateGroup> visualStateGroupsInternal = VisualStateManager.GetVisualStateGroupsInternal(stateGroupsRoot);
if (visualStateGroupsInternal == null)
{
return(false);
}
VisualStateGroup group;
VisualState visualState;
VisualStateManager.TryGetState(visualStateGroupsInternal, stateName, out group, out visualState);
VisualStateManager customVisualStateManager = VisualStateManager.GetCustomVisualStateManager(stateGroupsRoot);
if (customVisualStateManager != null)
{
return(customVisualStateManager.GoToStateCore(control, stateGroupsRoot, stateName, group, visualState, useTransitions));
}
return(visualState != null && VisualStateManager.GoToStateInternal(control, stateGroupsRoot, group, visualState, useTransitions));
}
/// <summary>
/// Transitions a control's state.
/// </summary>
/// <param name="control">The control who's state is changing.</param>
/// <param name="stateName">The new state that the control is in.</param>
/// <param name="useTransitions">Whether to use transition animations.</param>
/// <returns>true if the state changed successfully, false otherwise.</returns>
public static bool GoToState(Control control, string stateName, bool useTransitions)
{
if (control == null)
{
throw new ArgumentNullException("control");
}
if (stateName == null)
{
throw new ArgumentNullException("stateName");
}
FrameworkElement root = VisualStateManager.GetTemplateRoot(control);
if (root == null)
{
return(false); // Ignore state changes if a ControlTemplate hasn't been applied
}
IList <VisualStateGroup> groups = VisualStateManager.GetVisualStateGroupsInternal(root);
if (groups == null)
{
return(false);
}
// System.Diagnostics.Debug.WriteLine("Going to " + stateName);
VisualState state;
VisualStateGroup group;
if (!VisualStateManager.TryGetState(groups, stateName, out group, out state))
{
return(false);
}
// Look for a custom VSM, and call it if it was found, regardless of whether the state was found or not.
// This is because we don't know what the custom VSM will want to do. But for our default implementation,
// we know that if we haven't found the state, we don't actually want to do anything.
VisualStateManager customVsm = GetCustomVisualStateManager(root);
if (customVsm != null)
{
return(customVsm.GoToStateCore(control, root, stateName, group, state, useTransitions));
}
else if (state != null)
{
return(GoToStateInternal(control, root, group, state, useTransitions));
}
return(false);
}
/// <summary>
/// Transitions a control's state.
/// </summary>
/// <param name="control">The control who's state is changing.</param>
/// <param name="stateGroupsRoot">The element to get the VSG & customer VSM from.</param>
/// <param name="stateName">The new state that the control is in.</param>
/// <param name="useTransitions">Whether to use transition animations.</param>
/// <returns>true if the state changed successfully, false otherwise.</returns>
private static bool GoToStateCommon(FrameworkElement control, FrameworkElement stateGroupsRoot, string stateName, bool useTransitions)
{
if (stateName == null)
{
throw new ArgumentNullException("stateName");
}
if (stateGroupsRoot == null)
{
return(false); // Ignore state changes if a stateGroupsRoot doesn't exist yet
}
IList <VisualStateGroup> groups = VisualStateManager.GetVisualStateGroupsInternal(stateGroupsRoot);
if (groups == null)
{
return(false);
}
VisualState state;
VisualStateGroup group;
VisualStateManager.TryGetState(groups, stateName, out group, out state);
// Look for a custom VSM, and call it if it was found, regardless of whether the state was found or not.
// This is because we don't know what the custom VSM will want to do. But for our default implementation,
// we know that if we haven't found the state, we don't actually want to do anything.
VisualStateManager customVsm = GetCustomVisualStateManager(stateGroupsRoot);
if (customVsm != null)
{
return(customVsm.GoToStateCore(control, stateGroupsRoot, stateName, group, state, useTransitions));
}
else if (state != null)
{
return(GoToStateInternal(control, stateGroupsRoot, group, state, useTransitions));
}
return(false);
}
