ant-design-blazor/components/popover/Popover.razor

@namespace AntDesign
@inherits OverlayTrigger

@using AntDesign.Internal

@if (ChildContent != null)
{
    <div class="@ClassMapper.Class" @ref="@Ref" Id="@Id" style="display: inline-flex; @Style"
         @onclick="OnClickDiv"
         @onmouseenter="OnTriggerMouseEnter"
         @onmouseleave="OnTriggerMouseLeave"
         @oncontextmenu="OnTriggerContextmenu"
         @onfocusin="OnTriggerFocusIn"
         @onfocusout="OnTriggerFocusOut"
         @oncontextmenu:preventDefault>
        @ChildContent
    </div>
}
@if (Unbound != null)
{
    @Unbound(RefBack)
}


<CascadingValue Value="this" Name="Trigger" IsFixed="@true">
    <CascadingValue Value="@ArrowPointAtCenter" Name="ArrowPointAtCenter">
        <Overlay @ref="_overlay"
                 HideMillisecondsDelay="10"
                 WaitForHideAnimMilliseconds="100"
                 OnOverlayMouseEnter="OnOverlayMouseEnter"
                 OnOverlayMouseLeave="OnOverlayMouseLeave"
                 OnOverlayMouseUp="OnOverlayMouseUp">
            <div class="ant-popover-content">
                <div class="ant-popover-arrow">
                    <span class="ant-popover-arrow-content"></span>
                </div>
                <div class="ant-popover-inner" role="tooltip">
                    @if (TitleTemplate != null || !string.IsNullOrWhiteSpace(Title))
                    {
                        <div class="ant-popover-title">
                            @if (TitleTemplate != null)@TitleTemplate else @Title
                        </div>
                    }
                    <div class="ant-popover-inner-content">
                        @if (ContentTemplate != null)@ContentTemplate else @Content
                    </div>
                </div>
            </div>
        </Overlay>
    </CascadingValue>
</CascadingValue>