How to save Theme, Accent in Settings WPF w Material Design

private static void ApplyBase(bool isDark) {     new PaletteHelper().SetLightDark(isDark);     Settings.Default.Theme1 = !isDark ? "Light" : "Dark"; } 

private static void ApplyPrimary(Swatch swatch) {     new PaletteHelper().ReplacePrimaryColor(swatch);     Settings.Default.Primary1 = swatch.Name; } 

private static void ApplyAccent(Swatch swatch) {     new PaletteHelper().ReplaceAccentColor(swatch);     Settings.Default.Accent1 = swatch.Name; } 

to save to Settings.

in MainWindow.cs Constructor

Top = Settings.Default.Top; 
Left = Settings.Default.Left; 
Height = Settings.Default.Height; 
Width = Settings.Default.Width;   
var accentColor = Settings.Default.Accent1; 
new PaletteHelper().ReplacePrimaryColor(accentColor); 
var primaryColor = Settings.Default.Primary1; 
new PaletteHelper().ReplacePrimaryColor(primaryColor); 
var theme = Settings.Default.Theme1; 
new PaletteHelper().SetLightDark(theme != "Light"); 
Thanks Akhil