Control.Bottom Control.Bottom Control.Bottom Control.Bottom Property

Definizione

Ottiene la distanza in pixel tra il bordo inferiore del controllo e il bordo superiore dell'area client del contenitore.Gets the distance, in pixels, between the bottom edge of the control and the top edge of its container's client area.

public:
 property int Bottom { int get(); };
[System.ComponentModel.Browsable(false)]
public int Bottom { get; }
member this.Bottom : int
Public ReadOnly Property Bottom As Integer

Valore della proprietà

Oggetto Int32 che rappresenta la distanza in pixel tra il bordo inferiore del controllo e il bordo superiore dell'area client del contenitore.An Int32 representing the distance, in pixels, between the bottom edge of the control and the top edge of its container's client area.

Esempi

Nell'esempio di codice seguente viene Bottom usata la proprietà per definire il limite inferiore TextBox di un controllo rispetto all'area client del contenitore.The following code example uses the Bottom property to define the lower limit of a TextBox control relative to the client area of the container.

   // This example demonstrates how to use the KeyUp event with the Help class to display
   // pop-up style help to the user of the application. When the user presses F1, the Help
   // class displays a pop-up window, similar to a ToolTip, near the control. This example assumes
   // that a TextBox control, named textBox1, has been added to the form and its KeyUp
   // event has been connected to this event handler method.
private:
   void textBox1_KeyUp( Object^ /*sender*/, System::Windows::Forms::KeyEventArgs^ e )
   {
      
      // Determine whether the key entered is the F1 key. Display help if it is.
      if ( e->KeyCode == Keys::F1 )
      {
         
         // Display a pop-up help topic to assist the user.
         Help::ShowPopup( textBox1, "Enter your first name", Point(textBox1->Right,this->textBox1->Bottom) );
      }
   }
// This example demonstrates how to use the KeyUp event with the Help class to display
// pop-up style help to the user of the application. When the user presses F1, the Help
// class displays a pop-up window, similar to a ToolTip, near the control. This example assumes
// that a TextBox control, named textBox1, has been added to the form and its KeyUp
// event has been contected to this event handler method.
private void textBox1_KeyUp(object sender, System.Windows.Forms.KeyEventArgs e)
{
    // Determine whether the key entered is the F1 key. Display help if it is.
    if(e.KeyCode == Keys.F1)
    {
        // Display a pop-up help topic to assist the user.
        Help.ShowPopup(textBox1, "Enter your first name", new Point(textBox1.Right, this.textBox1.Bottom));
    }
}
' This example demonstrates how to use the KeyUp event with the Help class to display
' pop-up style help to the user of the application. When the user presses F1, the Help
' class displays a pop-up window, similar to a ToolTip, near the control. This example assumes
' that a TextBox control, named textBox1, has been added to the form and its KeyUp
' event has been contected to this event handler method.
Private Sub textBox1_KeyUp(ByVal sender As Object, ByVal e As System.Windows.Forms.KeyEventArgs) Handles textBox1.KeyUp
    ' Determine whether the key entered is the F1 key. Display help if it is.
    If e.KeyCode = Keys.F1 Then
        ' Display a pop-up help topic to assist the user.
        Help.ShowPopup(textBox1, "Enter your first name", New Point(textBox1.Right, Me.textBox1.Bottom))
    End If
End Sub

Commenti

Il valore di questa proprietà è uguale alla somma del Top valore della proprietà e del Height valore della proprietà.The value of this property is equal to the sum of the Top property value, and the Height property value.

La Bottom proprietà è una proprietà di sola lettura.The Bottom property is a read-only property. È possibile modificare il valore di questa proprietà modificando il valore Top delle Height proprietà o o chiamando SetBoundsi SetBoundsCoremetodi UpdateBounds,, SetClientSizeCore o.You can manipulate this property value by changing the value of the Top or Height properties or calling the SetBounds, SetBoundsCore, UpdateBounds, or SetClientSizeCore methods.

Si applica a

Vedi anche