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Program dies when removing data of mapped object after binding objects first.
posted

Hello.

I'm using XamTreeGrid because of its powerful filter functions.

In my program, I uses two XamTreeGrids on top and bottom side. When I hit some list on top tree grid, the selected items are displayed in bottom tree grid. And you can also do that with context menu for your convenience.

But Program dies in the below 2 situations.

First, Once You choose some items in below tree grid and then click some checkbox item in top tree grid or click context Menu on top tree grid, It die.

Second, After some items are listed on bottom tree grid by selecting some on top tree grid, If you choose any of context menu of bottom tree grid, It also die.

It looks like something happened by hooking event from xamTreeGrid, It's not clear to me. 

Please help me. 

Test Case is here.   https://github.com/jswpro/XamTreeGridSample.git

thanks.