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TVirtualDrawTree.DragHeight Property
Read or set the vertical limit of the internal drag image.
Pascal
property DragHeight: Integer;
Description
The DragHeight property (as well as the DragWidth property) are only for compatibility reason in the tree. If a platform does not support the IDropTargetHelper interface (Windows 9x/Me, Windows NT 4.0) then Virtual Treeview uses its own implementation of a DragImage. Since displaying a translucent drag image is performance hungry you should limit the image size shown for the drag operation.
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