Thank you for your interest in our RadTaskBoard control for WPF.
You can consider binding the RadTaskBoard to the building TaskBoardCardModel, as demonstrated in this article: Binding to TaskBoardCardModel. The assigned property of the TaskBoardCardModel is of type object. With this in hand, what you can try is to create a string that contains each name of the user which works on the task. The following code snippet demonstrates what I have in mind.
var list = new List<string>() { "Peter", "Ivan" };
TaskBoardCardModel task = new TaskBoardCardModel()
{
Assignee = list[0] + ", "+ list[1],
Title = "RadDocking: Unit Test",
Description = "Add Unit Tests",
State = "Not Done",
CategoryName = "Low",
IconPath = @"/Project_NameSpace;component/Images/Bella.jpg"
};
Give this approach a try and let me know if it works for you.
Regards,
Dinko
Progress Telerik
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