6.2.0

• Issue #582: Added support and packages for RAD Studio 10 Seattle
• Issue #580: Added support for Delphi package manager Delphinus
• Fixed issue #571: Grid mode and extended selection leads to drawing inconsistencies
• Fixed issue #569 which includes a fix for AddChild().
• Fixed issue #568: Integer overflow when reiniting nodes and using ivsFiltered
• Merged pull request #564 which includes a fix for ComputeNodeHeight() and single line nodes
• Merged pull request #563 which prevents an access violation when using custom check images in column headers
• Merged pull request #561 which makes VclStyleChanged() virtual
• Fixed issue #557: Using isFiltered in InitNode leads to integer overflows or bogus rendering
• Fixed issue #556: Variable height and more than 1 level results in incorrect RangeY
• Fixed issue #555: The OnChange event is not fired in case the selected node is deleted through DeleteChildren(). Although no the option toAlwaysSelectNode is set, the parent node was not selected afterwards.
• Fixed issue #553: painting failure with variable NodeHeight
• Fixed issue #551: Some overlay images were drawn ghosted like the main image, some not.
• TBaseVirtualTree.PrepareBitmaps() now fires the OnPrepareButtonImages event also in case VCL styles are used.
• Added implementation for TVirtualTreeAccessibility.accSelect() so that screen readers and especially UI testing tools can use MSAA to select specific elements in the control.
• Property OnColumnVisibilityChanged is now published.
• Now using type TImageIndex instead of integer for variables and parameters that store an image index.