How to make my program read edge of screen so that can window snapping [duplicate]

This question already has an answer here: An开发者_如何学运维chor Window to Screen Edges in WPF (1 answer) Closed 3 years ago.

i have a program of WPF using .Net C#.

please help me how to make my program can read edge of screen so that can window snapping.

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you can use SystemParameters.WorkArea rectangle Or
SystemParameters.PrimaryScreenWidth and SystemParameters.PrimaryScreenHeight for screen size.