private void InitialiseProjectSubtasks(ICollection <ProjectSubtask> subtasks)
{
foreach (var wrapper in Subtasks)
{
wrapper.PropertyChanged -= Wrapper_PropertyChanged;
}
Subtasks.Clear();
foreach (var projectSubtask in subtasks)
{
var wrapper = new SubTaskWrapper(projectSubtask);
Subtasks.Add(wrapper);
wrapper.PropertyChanged += Wrapper_PropertyChanged;
}
}
