DaisyDropdown

Overview

DaisyDropdown is a lightweight dropdown menu control built on a Popup. It displays a trigger area with a placeholder/selection, and shows a menu (via DaisyMenu) when opened. Use it for compact menu-style pickers and small action lists.

Properties

Property	Description
`ItemsSource` (`IEnumerable?`)	Items displayed in the dropdown menu.
`SelectedItem` (object?)	Currently selected item. When set/bound, the trigger shows this item.
`PlaceholderText` (string?)	Text shown when `SelectedItem` is null (default `Select`).
`IsOpen` (bool)	Controls whether the popup is open.
`PlacementMode` (`PlacementMode`)	Popup placement relative to the trigger (default `Bottom`).
`CloseOnSelection` (bool)	Closes the dropdown after selecting an item (default `True`).
`Size` (`DaisySize`)	Size preset (affects height and font size).

Events

Event	Description
`SelectedItemChanged`	Raised when the selected item changes. Handler signature: `void OnSelectedItemChanged(object? sender, DaisyDropdownSelectionChangedEventArgs e)` (use `e.SelectedItem`).

Quick Examples

<!-- Simple string list -->
<controls:DaisyDropdown PlaceholderText="Pick one"
                       ItemsSource="{Binding Options}"
                       SelectedItem="{Binding SelectedOption, Mode=TwoWay}" />

<!-- Keep open after selection -->
<controls:DaisyDropdown CloseOnSelection="False"
                       ItemsSource="{Binding Actions}" />

<!-- Compact size -->
<controls:DaisyDropdown Size="Small" ItemsSource="{Binding Options}" />

Tips & Best Practices

Use DaisySelect for a ComboBox-style selection control; use DaisyDropdown when you want a menu-like popup.
For action menus, handle SelectedItemChanged and then reset SelectedItem back to null to return to the placeholder.
For highly customized menu content, prefer DaisyPopover and place your own layout inside PopoverContent.
If you bind SelectedItem, ensure your items have a meaningful ToString() or are UI elements you want displayed as-is.

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