ant-design-blazor/components/dropdown/Dropdown.razor

@namespace AntDesign
@inherits OverlayTrigger
@using AntDesign.Internal

@if (ChildContent != null)
{
    <div class="@ClassMapper.Class"
         style="display: inline-block; width: fit-content; @Style"
         id="@Id"
         @ref="@Ref"
         @onclick="OnClickDiv"
         @onmouseenter="OnTriggerMouseEnter"
         @onmouseleave="OnTriggerMouseLeave"
         @oncontextmenu="OnTriggerContextmenu"
         @oncontextmenu:preventDefault>
        @if (IsButton)
        {
            <CascadingValue Value="this" IsFixed="@true">
                <DropdownGroupButton>
                    <LeftButton>
                        <Button @key="1" Size="@_buttonSize" Type="@_buttonType" Disabled="@Disabled">@ChildContent</Button>
                    </LeftButton>
                    <RightButton>
                        <Button @key="2" Size="@_buttonSize" Type="@_buttonType" Disabled="@Disabled" OnClick="OnTriggerClick" Class="ant-dropdown-trigger" Icon="@_rightButtonIcon" />
                    </RightButton>
                </DropdownGroupButton>
            </CascadingValue>
        }
        else
        {
            @ChildContent
        }
    </div>
}

@if (Unbound != null)
{
    @if (IsButton)
    {
        <CascadingValue Value="this" IsFixed="@true">
            <DropdownGroupButton>
                <LeftButton>
                    <Button @key="1" Size="@_buttonSize" Type="@_buttonType" Disabled="@Disabled">@ChildContent</Button>
                </LeftButton>
                <RightButton>
                    <Button @key="2" Size="@_buttonSize" Type="@_buttonType" Disabled="@Disabled" OnClick="OnTriggerClick" Class="ant-dropdown-trigger" Icon="@_rightButtonIcon" />
                </RightButton>
            </DropdownGroupButton>
        </CascadingValue>
    }
    else
    {
        @Unbound(RefBack)
    }
}

<CascadingValue Value="this" Name="Trigger" IsFixed="@true">
    <Overlay @ref="_overlay"
             OverlayChildPrefixCls="@($"{PrefixCls}-menu")"
             OnOverlayMouseEnter="OnOverlayMouseEnter"
             OnOverlayMouseLeave="OnOverlayMouseLeave" />
</CascadingValue>