void SetDafaultColor()
{
if (_defaultOnColor == null && Cell is SwitchCell)
{
var nativeSwitch = FrameworkElementExtensions.GetFirstDescendant <ToggleSwitch>(this);
var rects = nativeSwitch.GetDescendantsByName <Windows.UI.Xaml.Shapes.Rectangle>("SwitchKnobBounds");
foreach (var rect in rects)
{
_defaultOnColor = rect.Fill;
}
UpdateOnColor();
}
}
void UpdateOnColor()
{
if (!(Cell is SwitchCell switchCell))
{
return;
}
var color = switchCell.OnColor == Color.Default
? _defaultOnColor
: new SolidColorBrush(switchCell.OnColor.ToWindowsColor());
var nativeSwitch = FrameworkElementExtensions.GetFirstDescendant <ToggleSwitch>(this);
// change fill color in switch rectangle
var rects = nativeSwitch.GetDescendantsByName <Windows.UI.Xaml.Shapes.Rectangle>("SwitchKnobBounds");
foreach (var rect in rects)
{
rect.Fill = color;
}
// change color in animation on PointerOver
var grid = nativeSwitch.GetFirstDescendant <Windows.UI.Xaml.Controls.Grid>();
var gridVisualStateGroups = Windows.UI.Xaml.VisualStateManager.GetVisualStateGroups(grid);
Windows.UI.Xaml.VisualStateGroup vsGroup = null;
foreach (var visualGroup in gridVisualStateGroups)
{
if (visualGroup.Name == "CommonStates")
{
vsGroup = visualGroup;
break;
}
}
if (vsGroup == null)
{
return;
}
Windows.UI.Xaml.VisualState vState = null;
foreach (var visualState in vsGroup.States)
{
if (visualState.Name == "PointerOver")
{
vState = visualState;
break;
}
}
if (vState == null)
{
return;
}
var visualStates = vState.Storyboard.Children;
foreach (ObjectAnimationUsingKeyFrames item in visualStates)
{
if ((string)item.GetValue(Storyboard.TargetNameProperty) == "SwitchKnobBounds")
{
item.KeyFrames[0].Value = color;
break;
}
}
}