private void UpdateBrushFromValueSource()
{
DependencyPropertyValueSource valueSource = this.AssociatedProperty.ValueSource;
if (valueSource.get_IsLocalValue())
{
this.DotBrush = (Brush)this.TryFindResource((object)"WhiteBrush");
}
else if (valueSource.get_IsInheritedValue() || valueSource.get_IsDefaultValue())
{
this.DotBrush = (Brush)this.TryFindResource((object)"PaletteBrush");
}
else if (valueSource.get_IsBinding() || valueSource.get_IsTemplateBinding() || valueSource.get_IsCustomMarkupExtension())
{
this.DotBrush = (Brush)this.TryFindResource((object)"DatabindingBrush");
}
else
{
if (!valueSource.get_IsResource() && !valueSource.get_IsStatic())
{
return;
}
this.DotBrush = (Brush)this.TryFindResource((object)"ResourceLinkBrush");
}
}
protected virtual void SetValueCore(object value)
{
for (PropertyValue parentValue = this.get_ParentProperty().get_ParentValue(); parentValue != null; parentValue = parentValue.get_ParentProperty().get_ParentValue())
{
parentValue.get_ParentProperty();
if (parentValue.get_Source() != DependencyPropertyValueSource.get_LocalValue() && parentValue.get_Source() != DependencyPropertyValueSource.get_InheritedValue() && parentValue.get_Source() != DependencyPropertyValueSource.get_DefaultValue())
{
throw new InvalidOperationException(ExceptionStringTable.SettingSubpropertyOfExpression);
}
}
if (value == null && this.property.ShouldClearValueWhenSettingNull)
{
this.property.ClearValue();
}
else
{
this.property.SetValue(value);
}
}