How to call windows services from WPF application

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C#

WPF

How to call windows services .exe file from wpf application or we should create window service dll to call it from WPF application?

What I have tried:

I have create Windows services .exe file and trying to call service from WPF application 'on button click' like this-

private void Btn_Click(object sender, RoutedEventArgs e)
{
string myOtherEXE = "WindowServcice.exe";
string path = @"C:\WindowService\bin\Debug\WindowService.exe";
Process.Start(path);
}