Too complicated

I find the examples to overly complicated - the 'DoDragDrop' method should be explained with a simple example. By all means provide a reference to a comprehensive example, however having to wade through all of this is too hard. This also applies to the other Drag and Drop methods and properties.

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#### Document Details

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* ID: a6879ba1-ddca-8e71-953e-74b8db45d866
* Version Independent ID: d32e733e-6230-e137-eb2b-a05a2bb80aa2
* Content: [Control.DoDragDrop(Object, DragDropEffects) Method (System.Windows.Forms)](https://docs.microsoft.com/en-us/dotnet/api/system.windows.forms.control.dodragdrop?redirectedfrom=MSDN&view=netframework-4.7.2#System_Windows_Forms_Control_DoDragDrop_System_Object_System_Windows_Forms_DragDropEffects_)
* Content Source: [xml/System.Windows.Forms/Control.xml](https://github.com/dotnet/dotnet-api-docs/blob/master/xml/System.Windows.Forms/Control.xml)
* Product: **dotnet-api**
* GitHub Login: @dotnet-bot
* Microsoft Alias: **dotnetcontent**