How Can I post or Pin a Photo to my pinterest board in Window form app

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Windows

image

API

upload

I have a brief information about how to fetch pins and board of my pinterest account using this link

however I want to post a Picture with Title and Description with windows form or WPF application, by going through abouve link but it says

Example request

Replace <YOUR-BOARD-ID> and <YOUR-ACCESS-TOKEN> and paste the command into your terminal.

curl --data "board=<YOUR-BOARD-ID>&image_url=example_website.com/image.png&link=example_website.com¬e=The%20blanknote%20that%20shows%20below%20the%20pin" -H "Authorization: BEARER <YOUR-ACCESS-TOKEN>" https://api.pinterest.com/v1/pins/

Does anybody have any idea what does it mean and how can I use it in my WPF App.
As their api documentation only have this much info.