public bool IsExplicitlyInherited(IStyleKey key)
{
if (!StyleSystem.IsRegisteredKey(key))
{
throw new ArgumentException($"StyleKey {key} is not registered here.");
}
var index = StyleSystem.LinearIndexFor(key);
return(InheritMarker.IsInheritMarker(values[index]));
}
public bool SetValue(IStyleKey key, object value)
{
var idx = StyleSystem.LinearIndexFor(key);
cachedValues[idx] = null;
if (elementStyle.SetValue(key, value))
{
if (key.Inherit || InheritMarker.IsInheritMarker(value))
{
// inherited styles are distributed to child elements, so we need to explicitly clear them all.
self.InvalidateStyle(false);
}
self.InvalidateLayout();
return(true);
}
return(false);
}
public bool SetValue(IStyleKey key, object value)
{
if (!StyleSystem.IsRegisteredKey(key))
{
throw new ArgumentException();
}
if (!InheritMarker.IsInheritMarker(value) && value != null && !key.ValueType.IsInstanceOfType(value))
{
throw new ArgumentException();
}
var index = StyleSystem.LinearIndexFor(key);
var changed = !Equals(values[index], value);
if (changed)
{
values[index] = value;
}
keys[index] = key;
valuesTouched[index] = true;
return(changed);
}
public bool SetValue(IStyleKey key, object value)
{
if (!StyleSystem.IsRegisteredKey(key))
{
throw new ArgumentException();
}
if (!InheritMarker.IsInheritMarker(value) && value != null && !key.ValueType.IsInstanceOfType(value))
{
throw new ArgumentException();
}
var index = StyleSystem.LinearIndexFor(key);
var changed = !Equals(values[index], value);
values[index] = value;
if (changed)
{
ValueChanged?.Invoke(this, new StyleEventArgs(key));
}
return(changed);
}