Eclipse Community Forums: Standard Widget Toolkit (SWT) » Drag n drop on tree not showing more than one item unless its not expanded after adding first item

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Drag n drop on tree not showing more than one item unless its not expanded after adding first item [message #899257]

Tue, 31 July 2012 08:55

preeti baviskar

Messages: 11
Registered: July 2012

Junior Member

I am using Tree with multiple column and inside that using TreeViewer to make use of ContentProvider and LabelProvider.

Tree treeSWComponent = new Tree(swComponentComp, SWT.BORDER);
TreeViewer tree_viewer=new TreeViewer(treeSWComponent);

I am providing drag and drop facility on tree's child item only.

But if I drop more than one item on tree's child item, after expanding its showing only one item.

Whereas if I drop one item then expand it and again drop then its showing both item.

Why it is happening like that?

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