DxFlyout.RestrictionMode Property

Specifies an element that restricts the Flyout component position.

Namespace: DevExpress.Blazor

Assembly: DevExpress.Blazor.v24.2.dll

NuGet Package: DevExpress.Blazor

Declaration

[Parameter]
public FlyoutRestrictionMode RestrictionMode { get; set; }

Property Value

Type	Description
FlyoutRestrictionMode	A restriction mode.

Available values:

Name	Description
Viewport	The Flyout position is restricted by the viewport.
Page	The Flyout position is restricted by the page.
Rectangle	The Flyout position is restricted by a rectangle’s boundaries (RestrictionRectangle).
TargetElement	The Flyout position is restricted by a target element’s boundaries (RestrictionTarget).

Remarks

The Flyout component changes its position when certain page elements are changed (for instance, when the page is scrolled or resized). Use the RestrictionMode property to restrict flyout window movement.

Run Demo: Flyout - Automatic Position Adjustment

<OptionsContent>
    <OptionComboBox Label="Close mode:" CssClass="ow-100" Data="@CloseModes" @bind-Value="@CloseMode"/>
    <OptionCheckBox Label="Fit to container" @bind-Checked="FitToRestriction"/>
</OptionsContent>
<ChildContentWithParameters Context="Params">
    <div class="@(IsMobile ? "" : "card") flipping-overflow-container">
        <dxbl-demo-scrollable center-horizontally center-vertically id="flipping-target-container" class="flipping-overflow-content">
            <DxButton
                CssClass="flipping-button"
                RenderStyle="@ButtonRenderStyle.Secondary"
                Click="() => IsOpen = !IsOpen"
                aria-describedby="flyout-flipping">SHOW A FLYOUT</DxButton>
        </dxbl-demo-scrollable>
        <DxFlyout
            @bind-IsOpen=IsOpen
            Id="flyout-flipping"
            PositionTarget=".flipping-button"
            RestrictionTarget=".flipping-overflow-container"
            RestrictionMode="FlyoutRestrictionMode.TargetElement"
            CloseOnOutsideClick="false"
            PreventCloseOnPositionTargetClick="true"
            CloseMode="@CloseMode"
            FitToRestriction="@FitToRestriction"
            SizeMode="Params.SizeMode"
            Width="240">
            <span style="font-size: 0.75rem">@Constants.ContentShort</span>
        </DxFlyout>
    </div>
</ChildContentWithParameters>

@code {
@* ... *@
bool IsOpen { get; set; } = false;
bool IsMobile { get; set; }
bool FitToRestriction { get; set; }
FlyoutCloseMode[] CloseModes { get; } = Enum.GetValues<FlyoutCloseMode>();
FlyoutCloseMode CloseMode { get; set; } = FlyoutCloseMode.Hide;
@* ... *@
}