Class SpeedDialBeforeOpenCloseEventArgs

Provides information about the Opening and Closing event callbacks, allowing optional cancellation of the opening or closing action.

Inheritance

System.Object

SpeedDialBeforeOpenCloseEventArgs

Namespace: Syncfusion.Blazor.Buttons

Assembly: Syncfusion.Blazor.dll

Syntax

public class SpeedDialBeforeOpenCloseEventArgs : Object

Remarks

This event argument is used in pre-open and pre-close scenarios for the SfSpeedDial component, allowing you to intercept, modify, or prevent the open/close action.

Examples

This example demonstrates how to prevent the opening of a SpeedDial:

<SfSpeedDial Opening="OnSpeedDialOpening">
</SfSpeedDial>

@code {
    private void OnSpeedDialOpening(SpeedDialBeforeOpenCloseEventArgs args)
    {
        // Conditionally prevent opening
        if (SomeCondition)
        {
            args.Cancel = true;
        }
    }
}

Constructors

SpeedDialBeforeOpenCloseEventArgs()

Declaration

public SpeedDialBeforeOpenCloseEventArgs()

Properties

Cancel

Gets or sets a value indicating whether to cancel the open or close action of the SpeedDial component.

Declaration

public bool Cancel { get; set; }

Property Value

Type	Description
System.Boolean	A `bool` value; set to `true` to cancel the open or close operation, preventing the speed dial from opening or closing. Otherwise, `false`.

Remarks

Speed dial displays a list of action buttons on click, and the list is closed when a speed dial item is clicked. This property enables you to programmatically control the open/close lifecycle.

Examples

Preventing the closing of SpeedDial when a condition is met:

void OnClosing(SpeedDialBeforeOpenCloseEventArgs args)
{
    if (needToBlock)
    {
        args.Cancel = true;
    }
}

Element

Gets the reference to the popup element of the SfSpeedDial.

Declaration

public ElementReference Element { get; }

Property Value

Type	Description
Microsoft.AspNetCore.Components.ElementReference	An Microsoft.AspNetCore.Components.ElementReference representing the popup element of the SpeedDial.

Remarks

You can use this property to access or manipulate the popup element directly if required, for advanced DOM customizations or manipulation.