ToolStripDropDownItem.DropDownItems Propiedad
Definición
Importante
Parte de la información hace referencia a la versión preliminar del producto, que puede haberse modificado sustancialmente antes de lanzar la versión definitiva. Microsoft no otorga ninguna garantía, explícita o implícita, con respecto a la información proporcionada aquí.
Obtiene la colección de elementos del objeto ToolStripDropDown asociado a este control ToolStripDropDownItem.
public:
property System::Windows::Forms::ToolStripItemCollection ^ DropDownItems { System::Windows::Forms::ToolStripItemCollection ^ get(); };
public System.Windows.Forms.ToolStripItemCollection DropDownItems { get; }
member this.DropDownItems : System.Windows.Forms.ToolStripItemCollection
Public ReadOnly Property DropDownItems As ToolStripItemCollection
Valor de propiedad
Una colección de controles ToolStripItemCollection.
Ejemplos
En el ejemplo de código siguiente se muestra cómo usar la DropDownItems propiedad para crear un menú con submenúes. Para obtener el ejemplo de código completo, vea Cómo: Mostrar botones de opción en un MenuStrip.
public class Form1 : Form
{
private MenuStrip menuStrip1 = new MenuStrip();
private ToolStripMenuItem mainToolStripMenuItem = new ToolStripMenuItem();
private ToolStripMenuItem toolStripMenuItem1 = new ToolStripMenuItem();
private ToolStripRadioButtonMenuItem toolStripRadioButtonMenuItem1 =
new ToolStripRadioButtonMenuItem();
private ToolStripRadioButtonMenuItem toolStripRadioButtonMenuItem2 =
new ToolStripRadioButtonMenuItem();
private ToolStripRadioButtonMenuItem toolStripRadioButtonMenuItem3 =
new ToolStripRadioButtonMenuItem();
private ToolStripRadioButtonMenuItem toolStripRadioButtonMenuItem4 =
new ToolStripRadioButtonMenuItem();
private ToolStripRadioButtonMenuItem toolStripRadioButtonMenuItem5 =
new ToolStripRadioButtonMenuItem();
private ToolStripRadioButtonMenuItem toolStripRadioButtonMenuItem6 =
new ToolStripRadioButtonMenuItem();
public Form1()
{
mainToolStripMenuItem.Text = "main";
toolStripRadioButtonMenuItem1.Text = "option 1";
toolStripRadioButtonMenuItem2.Text = "option 2";
toolStripRadioButtonMenuItem3.Text = "option 2-1";
toolStripRadioButtonMenuItem4.Text = "option 2-2";
toolStripRadioButtonMenuItem5.Text = "option 3-1";
toolStripRadioButtonMenuItem6.Text = "option 3-2";
toolStripMenuItem1.Text = "toggle";
toolStripMenuItem1.CheckOnClick = true;
mainToolStripMenuItem.DropDownItems.AddRange(new ToolStripItem[] {
toolStripRadioButtonMenuItem1, toolStripRadioButtonMenuItem2,
toolStripMenuItem1});
toolStripRadioButtonMenuItem2.DropDownItems.AddRange(
new ToolStripItem[] {toolStripRadioButtonMenuItem3,
toolStripRadioButtonMenuItem4});
toolStripMenuItem1.DropDownItems.AddRange(new ToolStripItem[] {
toolStripRadioButtonMenuItem5, toolStripRadioButtonMenuItem6});
menuStrip1.Items.AddRange(new ToolStripItem[] {mainToolStripMenuItem});
Controls.Add(menuStrip1);
MainMenuStrip = menuStrip1;
Text = "ToolStripRadioButtonMenuItem demo";
}
}
static class Program
{
[STAThread]
static void Main()
{
Application.EnableVisualStyles();
Application.SetCompatibleTextRenderingDefault(false);
Application.Run(new Form1());
}
}
Public Class Form1
Inherits Form
Private menuStrip1 As New MenuStrip()
Private mainToolStripMenuItem As New ToolStripMenuItem()
Private toolStripMenuItem1 As New ToolStripMenuItem()
Private toolStripRadioButtonMenuItem1 As New ToolStripRadioButtonMenuItem()
Private toolStripRadioButtonMenuItem2 As New ToolStripRadioButtonMenuItem()
Private toolStripRadioButtonMenuItem3 As New ToolStripRadioButtonMenuItem()
Private toolStripRadioButtonMenuItem4 As New ToolStripRadioButtonMenuItem()
Private toolStripRadioButtonMenuItem5 As New ToolStripRadioButtonMenuItem()
Private toolStripRadioButtonMenuItem6 As New ToolStripRadioButtonMenuItem()
Public Sub New()
Me.mainToolStripMenuItem.Text = "main"
toolStripRadioButtonMenuItem1.Text = "option 1"
toolStripRadioButtonMenuItem2.Text = "option 2"
toolStripRadioButtonMenuItem3.Text = "option 2-1"
toolStripRadioButtonMenuItem4.Text = "option 2-2"
toolStripRadioButtonMenuItem5.Text = "option 3-1"
toolStripRadioButtonMenuItem6.Text = "option 3-2"
toolStripMenuItem1.Text = "toggle"
toolStripMenuItem1.CheckOnClick = True
mainToolStripMenuItem.DropDownItems.AddRange(New ToolStripItem() { _
toolStripRadioButtonMenuItem1, toolStripRadioButtonMenuItem2, _
toolStripMenuItem1})
toolStripRadioButtonMenuItem2.DropDownItems.AddRange( _
New ToolStripItem() {toolStripRadioButtonMenuItem3, _
toolStripRadioButtonMenuItem4})
toolStripMenuItem1.DropDownItems.AddRange(New ToolStripItem() { _
toolStripRadioButtonMenuItem5, toolStripRadioButtonMenuItem6})
menuStrip1.Items.AddRange(New ToolStripItem() {mainToolStripMenuItem})
Controls.Add(menuStrip1)
MainMenuStrip = menuStrip1
Text = "ToolStripRadioButtonMenuItem demo"
End Sub
End Class
Public Class Program
<STAThread()> Public Shared Sub Main()
Application.EnableVisualStyles()
Application.SetCompatibleTextRenderingDefault(False)
Application.Run(New Form1())
End Sub
End Class
Comentarios
Utilice la DropDownItems propiedad para obtener todos los elementos de la ToolStripDropDown propiedad a la que hace referencia la DropDown propiedad .