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

@namespace AntDesign
@inherits OverlayTrigger

@using AntDesign.Internal

<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>

<CascadingValue Value="this" Name="Trigger">
    <CascadingValue Value="@ArrowPointAtCenter" Name="ArrowPointAtCenter">
        <Overlay @ref="_overlay"
                 HideMillisecondsDelay="10"
                 WaitForHideAnimMilliseconds="100"
                 OverlayChildPrefixCls="@($"{PrefixCls}-menu")"
                 OnOverlayMouseEnter="OnOverlayMouseEnter"
                 OnOverlayMouseLeave="OnOverlayMouseLeave">

            <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">
                    <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>