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GanttTask contain three Collection startdate,endDate and Title and xaml got this properties UniqueID,Title,Start,End,Duration,Progress,IsMilestone and description
I have create a column but now the value that I enter in that column doesn't display until I bind it to this xaml properties
1. what are other xaml properties that I can use except those I just mention
2.is there any way I can make GanttTask have more that 3 elements