Tree maps are a growing trend in data visualization. They display hierarchical information in a series of clustered rectangles, which represent a whole rectangle. The size of each box represents a quantity. Tree maps can also use color to represent any number of values, but colors are often used to categorize the various boxes within the tree map.
Refer control dependencies section to get the list of assemblies or NuGet package needs to be added as reference to use the control in any application.
Please find more details regarding how to install the nuget packages in windows form application in the below link:
Creating tree map for Windows Forms applications
The tree map control is available in the following assembly and namespace:
Refer to the following code to add a tree map control to an application.
TreeMap TreeMap1 = new TreeMap();