This tutorial demonstrates how to extend the Visio functionality by writing an Visio add-in with VSTO, creating a standalone application with both Windows Forms and WPF, and finally by building a browse application with WPF (XBAP). More...

WPF DataGrid has a very annoying behaviour of forcing users to click twice on a checkbox in order to check or uncheck it. There are a number of solutions proposing handling mouse preview events and switching a DataGrid into the edit mode manually. The problem with such solutions is that the require writing quite a lot of extra code that seems to be an overkill for such a minor, yet irritating problem. I propose a better option, to use a DataGridTemplateColumn instead of DataGridCheckBoxColumn.

Indeed, you can easily place a CheckBox inside a DataGridTemplateColumn, bind it to a corresponding property and it will be checkable/uncheckable with a single click. More...