V6.6 (04 Apr 2017)

• Fixed issue #705: Added support for RAD Studio 10.2 Tokyo
• Fixed issue #702: Access Violation at designtime when RootNodeCount is >0
• Fixed issue #703: Possibly wrong selection if nodes are selected during DeleteChildren()
• Fixed issue #700: If the user clicked a node, we are no longer centering this node if the option toCenterScrollIntoView is set.
• Fixed issue #691: When the user uses Cursor-Left/Right, the Virtual TreeView should perform horizontal scrolling if there is no other operation
• Fixed issue #699: TVTColors.GetColor: Honor user defined colors also when StyleServices are enabled (Thx to luebbe for PR)
• Fixed issue #698: Horizontal scrollbar may not update when turning on or off columns
• Fixed issue #350: TVirtualTreeColumn.fLeft should be in protected part
• Fixed issue #312: When unfocusing a node while the Spacebar is still pressed, the check state should be toggled
• Fixed issue #161: Shift+End does not work as expected with toGridExtension + toFullRowSelect options set
• Fixed issue #697: OnChange not fired when unselecting nodes
• Fixed issue #692: HitInfo for OnNodeClick event may differ much from HandleMouseDown
• Fixed issue #687 by extracting new method DeleteNodes() from existing DeleteSelectedNodes().
• Fixed issue #689: Possible Integer overflow in PaintColumnHeader() when dragging a column to first position.
• Fixed issue #693: TVirtualTreeAccessibility.accSelect() should handle the flag SELFLAG_EXTENDSELECTION
• Fixed issue #690: Tree shouldn't keep selected elements, if toAlwaysSelectNode is set and other elements are selected without ctrl-modifier
• Improved non-breaking implementation of #622: The deprecated property CheckImageKind is no longer written to DFM files, but read properly from old DFMs. Thx to the-Aroich for providing it.
• Some minor tweaks on Virtual TreeView source code and sample projects