What occurs when the Point is on the edge of the Rect

The Documentation should make clear what the result is when a point is on the edge of the Rectangle.

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#### Document Details

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* ID: a304c69d-8251-448d-a9af-c9dfe6f616ee
* Version Independent ID: 334089ad-ffe7-17dd-d341-2a525fcc25b7
* Content: [Rect.Contains Method (System.Windows)](https://docs.microsoft.com/en-us/dotnet/api/system.windows.rect.contains?view=netframework-4.7.2)
* Content Source: [xml/System.Windows/Rect.xml](https://github.com/dotnet/dotnet-api-docs/blob/master/xml/System.Windows/Rect.xml)
* Product: **dotnet-api**
* GitHub Login: @dotnet-bot
* Microsoft Alias: **dotnetcontent**