public static bool TrySetState(TempVisualStateGroup group, string stateName, IControl control)
{
//If state is already set, we can move on
//Assumes Pseudoclasses aren't modified outside of VSM
if (group.ActiveState != null && group.ActiveState.Equals(stateName, StringComparison.OrdinalIgnoreCase))
{
return(true);
}
try
{
if (group.ActiveState != null)
{
((IPseudoClasses)control.Classes).Remove(group.ActiveState);
}
group.ActiveState = stateName;
if (stateName != null)
{
((IPseudoClasses)control.Classes).Add(group.ActiveState);
}
return(true);
}
catch
{
return(false);
}
}
/// <summary>
/// Gets a VisualStateGroup for a control
/// </summary>
/// <returns>True if group already existed, False if group was created</returns>
public static bool TryGetGroup(IList <TempVisualStateGroup> groups, string groupName, out TempVisualStateGroup group)
{
for (int i = 0; i < groups.Count; i++)
{
if (string.Equals(groupName, groups[i].GroupName, StringComparison.OrdinalIgnoreCase))
{
group = groups[i];
return(true);
}
}
group = new TempVisualStateGroup()
{
GroupName = groupName
};
return(false);
}