Nooks and Crannies of Expression Blend: Inlines Collection Editor

In the category Nooks and Crannies of Expression Blend: Have you ever seen the Inlines Collection Editor? When you select a TextBlock you can find the property in the Miscellaneous Category:

Inlines

Selecting the button with the Ellipsis wil pop up the Inlines Collection Editor:

InlineCollectionEditor

Njoy!