Blazor Dropdown Tree Example - Selection Modes

This example demonstrates checkbox and multi-selection functionalities of DropDownTree with box and delimiter visual modes.

Selection features:

• Click checkbox on parent item to check/uncheck item and children
• Parent item state determined by child item state
• Press CTRL key and select desired nodes for multi-selection
• Press SHIFT key and select another node to select range

Checkbox implementation:

• Enable checkbox via ShowCheckBox property
• Display checkbox on left side of each tree item
• Allow checking multiple items

Multi-selection:

• Enable via AllowMultiSelection property
• Select multiple items from tree structure