ASPxScheduler.PreparePopupMenu Event

OBSOLETE

You should use the 'PopupMenuShowing' instead

Occurs before a context menu is created for a scheduler.

Namespace: DevExpress.Web.ASPxScheduler

Assembly: DevExpress.Web.ASPxScheduler.v24.1.dll

NuGet Package: DevExpress.Web.Scheduler

Declaration

C#

[Obsolete("You should use the 'PopupMenuShowing' instead", false)]
public event PreparePopupMenuEventHandler PreparePopupMenu

VB.NET

<Obsolete("You should use the 'PopupMenuShowing' instead", False)>
Public Event PreparePopupMenu As PreparePopupMenuEventHandler

Event Data

The PreparePopupMenu event's data class is PreparePopupMenuEventArgs. The following properties provide information specific to this event:

Property	Description
Menu	Gets the popup menu for which this event was raised. Inherited from PopupMenuShowingEventArgs.

Remarks

Handle the PreparePopupMenu event to modify items in the context menu. The current context menu can be accessed via the PopupMenuShowingEventArgs.Menu property.

Example

The following example illustrates how to handle the PreparePopupMenu event for customizing a context menu.

C#

protected void ASPxScheduler1_PreparePopupMenu(object sender, 
    PreparePopupMenuEventArgs e)
{
    ASPxSchedulerPopupMenu menu = e.Menu;
    DevExpress.Web.MenuItemCollection menuItems = menu.Items;
    // Check whether this menu is invoked by clicking empty time cells
    if (menu.Id == SchedulerMenuItemId.DefaultMenu) {
        // Remove the "New Appointment" item
        DevExpress.Web.MenuItem item = menuItems.FindByName("NewAppointment");
        if(item != null) menuItems.Remove(item);

        // Create a group and add two submenus
        DevExpress.Web.MenuItem newItem = 
            new DevExpress.Web.MenuItem("CreateNewEvent", "TemplateEvents");
        newItem.BeginGroup = true;
        menuItems.Insert(0, newItem);
        newItem.Items.Add(new DevExpress.Web.MenuItem("Check engine oil", 
            "CheckEngineOilId"));
        newItem.Items.Add(new DevExpress.Web.MenuItem("Wash the car", 
            "WashCarId"));
    }
}

VB.NET

Protected Sub ASPxScheduler1_PreparePopupMenu(ByVal sender As Object,  _
        ByVal e As PreparePopupMenuEventArgs)
    Dim menu As ASPxSchedulerPopupMenu = e.Menu
    Dim menuItems As DevExpress.Web.MenuItemCollection = menu.Items
    ' Check whether this menu is invoked by clicking empty time cells
    If menu.Id = SchedulerMenuItemId.DefaultMenu Then
        ' Remove the "New Appointment" item
        Dim item As DevExpress.Web.MenuItem =  _
            menuItems.FindByName("NewAppointment")
        If Not item Is Nothing Then
        menuItems.Remove(item)
        End If

        ' Create a group and add two submenus
        Dim newItem As DevExpress.Web.MenuItem =  _
            New DevExpress.Web.MenuItem("CreateNewEvent", "TemplateEvents")
        newItem.BeginGroup = True
        menuItems.Insert(0, newItem)
        newItem.Items.Add(New DevExpress.Web.MenuItem("Check engine oil",  _
            "CheckEngineOilId"))
        newItem.Items.Add(New DevExpress.Web.MenuItem("Wash the car",  _
            "WashCarId"))
    End If
End Sub