Class ContextMenuService
Class ContextMenuService. Contains various methods with options to open and close context menus. Should be added as scoped service in the application services and RadzenContextMenu should be added in application main layout. Implements the IDisposable
Implements
Inherited Members
Namespace: Radzen
Assembly: Radzen.Blazor.dll
Syntax
public class ContextMenuService : IDisposableExamples
@inject ContextMenuService ContextMenuService
<RadzenButton Text="Show context menu" ContextMenu=@(args => ShowContextMenuWithContent(args)) />
@code {
void ShowContextMenuWithContent(MouseEventArgs args) => ContextMenuService.Open(args, ds =>
@<RadzenMenu Click="OnMenuItemClick">
<RadzenMenuItem Text="Item1" Value="1"></RadzenMenuItem>
<RadzenMenuItem Text="Item2" Value="2"></RadzenMenuItem>
<RadzenMenuItem Text="More items" Value="3">
<RadzenMenuItem Text="More sub items" Value="4">
<RadzenMenuItem Text="Item1" Value="5"></RadzenMenuItem>
<RadzenMenuItem Text="Item2" Value="6"></RadzenMenuItem>
</RadzenMenuItem>
</RadzenMenuItem>
</RadzenMenu>);
void OnMenuItemClick(MenuItemEventArgs args)
{
Console.WriteLine($"Menu item with Value={args.Value} clicked");
}
}Constructors
ContextMenuService(NavigationManager)
Initializes a new instance of the ContextMenuService class.
Declaration
public ContextMenuService(NavigationManager uriHelper)Parameters
| Type | Name | Description |
|---|---|---|
| NavigationManager | uriHelper | The URI helper. |
See Also
Methods
Close()
Closes this instance.
Declaration
public void Close()See Also
Dispose()
Disposes this instance.
Declaration
public void Dispose()See Also
Open(MouseEventArgs, RenderFragment<ContextMenuService>)
Opens the specified arguments.
Declaration
public void Open(MouseEventArgs args, RenderFragment<ContextMenuService> childContent)Parameters
| Type | Name | Description |
|---|---|---|
| MouseEventArgs | args | The MouseEventArgs instance containing the event data. |
| RenderFragment<ContextMenuService> | childContent | Content of the child. |
See Also
Open(MouseEventArgs, IEnumerable<ContextMenuItem>, Action<MenuItemEventArgs>)
Opens the specified arguments.
Declaration
public void Open(MouseEventArgs args, IEnumerable<ContextMenuItem> items, Action<MenuItemEventArgs> click = null)Parameters
| Type | Name | Description |
|---|---|---|
| MouseEventArgs | args | The MouseEventArgs instance containing the event data. |
| IEnumerable<ContextMenuItem> | items | The items. |
| Action<MenuItemEventArgs> | click | The click. |
See Also
Events
OnClose
Raises the Close event.
Declaration
public event Action OnCloseEvent Type
| Type | Description |
|---|---|
| Action |
See Also
OnNavigate
Occurs when [on navigate].
Declaration
public event Action OnNavigateEvent Type
| Type | Description |
|---|---|
| Action |
See Also
OnOpen
Occurs when [on open].
Declaration
public event Action<MouseEventArgs, ContextMenuOptions> OnOpenEvent Type
| Type | Description |
|---|---|
| Action<MouseEventArgs, ContextMenuOptions> |