private static CompositionGetValueStatus TryGetValue <T>(
T source,
Dictionary <T, KeyValuePair <CompositionPropertySet, Dictionary <string, ExpressionAnimation> > > dictionary,
string propertyName,
CompositionPropertyType type,
out object value)
{
value = null;
if (source == null || string.IsNullOrWhiteSpace(propertyName))
{
throw new ArgumentException();
}
CompositionPropertySet propertySet = null;
Dictionary <string, ExpressionAnimation> expressionAnimations = null;
ExpressionAnimation expressionAnimation = null;
string propertySetPropertyName = null;
GetExpressionAnimation <T>(
source,
propertyName,
dictionary,
out propertySet,
out expressionAnimations,
out expressionAnimation,
out propertySetPropertyName);
if (propertySet != null)
{
propertySet.StopAnimation(propertySetPropertyName);
CompositionGetValueStatus status = CompositionGetValueStatus.TypeMismatch;
switch (type)
{
case CompositionPropertyType.Boolean:
bool boolValue;
status = propertySet.TryGetBoolean(propertySetPropertyName, out boolValue);
value = boolValue;
break;
case CompositionPropertyType.Float:
float floatValue;
status = propertySet.TryGetScalar(propertySetPropertyName, out floatValue);
value = floatValue;
break;
case CompositionPropertyType.Vector2:
Vector2 vector2Value;
status = propertySet.TryGetVector2(propertySetPropertyName, out vector2Value);
value = vector2Value;
break;
case CompositionPropertyType.Vector3:
Vector3 vector3Value;
status = propertySet.TryGetVector3(propertySetPropertyName, out vector3Value);
value = vector3Value;
break;
// Insert new case for any property type that is being added.
}
if (expressionAnimation != null)
{
propertySet.StartAnimation(propertySetPropertyName, expressionAnimation);
}
return(status);
}
return(CompositionGetValueStatus.NotFound);
}
private static CompositionGetValueStatus TryGetPropertyValue(CompositionObject sourceObject, string propertyName, CompositionPropertyType type, out object value)
{
return(TryGetValue <CompositionObject>(sourceObject, s_objectsDictionary, propertyName, type, out value));
}
