Animation in Blazor Dropdown Menu Component

1 Dec 20252 minutes to read

To change the animation of the DropDownButton, AnimationSettings property is used to customize the animation of the DropDownButton popup. The supported effects for DropDownButton are,

Effect	Functionality
None	Opens the dropdown menu with no animation.
SlideDown	Opens the dropdown menu with a slide-down effect.
ZoomIn	Opens the dropdown menu with a zoom-in effect.
FadeIn	Opens the dropdown menu with a fade-in effect.

In this sample, three different SfDropDownButton instances are rendered, each showcasing a unique animation effect for the dropdown menu.

@using Syncfusion.Blazor.SplitButtons

<SfDropDownButton CssClass="slideDownCss" Content="SlideDownButton" Items="@DropdownItems">
    <DropDownMenuAnimationSettings Effect="@SlideDownEffect" Duration="@Duration" Easing="@Easing"></DropDownMenuAnimationSettings>
</SfDropDownButton>

<SfDropDownButton CssClass="fadeInCss" Content="FadeInButton" Items="@DropdownItems">
    <DropDownMenuAnimationSettings Effect="@FadeInEffect" Duration="@Duration" Easing="@Easing"></DropDownMenuAnimationSettings>
</SfDropDownButton>

<SfDropDownButton CssClass="zoomInCss" Content="ZoomInButton" Items="@DropdownItems">
    <DropDownMenuAnimationSettings Effect="@ZoomInEffect" Duration="@Duration" Easing="@Easing"></DropDownMenuAnimationSettings>
</SfDropDownButton>

@code {

    private readonly List<DropDownMenuItem> DropdownItems = new()
    {
        new DropDownMenuItem { Text = "Unread" },
        new DropDownMenuItem { Text = "Has Attachments" },
        new DropDownMenuItem { Text = "Categorized" },
        new DropDownMenuItem { Text = "Important" },
        new DropDownMenuItem { Text = "More Filters" },
    };

    // Animation settings for each button
    private Syncfusion.Blazor.SplitButtons.DropDownMenuAnimationEffect SlideDownEffect = Syncfusion.Blazor.SplitButtons.DropDownMenuAnimationEffect.SlideDown;
    private Syncfusion.Blazor.SplitButtons.DropDownMenuAnimationEffect FadeInEffect = Syncfusion.Blazor.SplitButtons.DropDownMenuAnimationEffect.FadeIn;
    private Syncfusion.Blazor.SplitButtons.DropDownMenuAnimationEffect ZoomInEffect = Syncfusion.Blazor.SplitButtons.DropDownMenuAnimationEffect.ZoomIn;

    // Common settings for animation duration and easing
    private int Duration = 800; // Animation duration in milliseconds
    private string Easing = "ease"; // Easing for the animation
}