Control.Bottom 屬性

定義

命名空間:

System.Windows.Forms

組件:

System.Windows.Forms.dll

取得控制項上邊緣與其容器工作區上邊緣之間的距離，以圖元為單位。

public:
 property int Bottom { int get(); };

[System.ComponentModel.Browsable(false)]
public int Bottom { get; }

[<System.ComponentModel.Browsable(false)>]
member this.Bottom : int

Public ReadOnly Property Bottom As Integer

屬性值

Int32

， Int32 表示控制項上邊緣與其容器工作區上邊緣之間的距離，以圖元為單位。

屬性

BrowsableAttribute

範例

下列程式碼範例會 Bottom 使用 屬性來定義控制項相對於容器工作區的下限 TextBox 。

   // 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

備註

這個屬性的值等於屬性值的總 Top 和，以及 Height 屬性值。

屬性 Bottom 是唯讀屬性。 您可以藉由變更 或 屬性的值 Top ，或呼叫 SetBounds 、 SetBoundsCore 、 UpdateBounds 或 SetClientSizeCore 方法來操作這個屬性值。 Height

另請參閱

• Top
• Height