Control.Location 属性

定义

命名空间:

System.Windows.Forms

程序集:

System.Windows.Forms.dll

Source:

Control.cs

获取或设置控件左上角相对于其容器左上角的坐标。

public:
 property System::Drawing::Point Location { System::Drawing::Point get(); void set(System::Drawing::Point value); };

public System.Drawing.Point Location { get; set; }

member this.Location : System.Drawing.Point with get, set

Public Property Location As Point

属性值

Point

表示 Point 控件的左上角相对于其容器的左上角。

示例

下面的代码示例创建并 GroupBox 设置其一些常见属性。 该示例在 TextBox 组框中创建并设置它 Location 。 接下来，它将组框的属性设置为 Text 组框，并将组框停靠在窗体顶部。 最后，它通过将属性false设置为Enabled禁用组框来禁用组框，这将导致禁用组框中包含的所有控件。

   // Add a GroupBox to a form and set some of its common properties.
private:
   void AddMyGroupBox()
   {
      // Create a GroupBox and add a TextBox to it.
      GroupBox^ groupBox1 = gcnew GroupBox;
      TextBox^ textBox1 = gcnew TextBox;
      textBox1->Location = Point(15,15);
      groupBox1->Controls->Add( textBox1 );

      // Set the Text and Dock properties of the GroupBox.
      groupBox1->Text = "MyGroupBox";
      groupBox1->Dock = DockStyle::Top;

      // Disable the GroupBox (which disables all its child controls)
      groupBox1->Enabled = false;

      // Add the Groupbox to the form.
      this->Controls->Add( groupBox1 );
   }

// Add a GroupBox to a form and set some of its common properties.
private void AddMyGroupBox()
{
   // Create a GroupBox and add a TextBox to it.
   GroupBox groupBox1 = new GroupBox();
   TextBox textBox1 = new TextBox();
   textBox1.Location = new Point(15, 15);
   groupBox1.Controls.Add(textBox1);

   // Set the Text and Dock properties of the GroupBox.
   groupBox1.Text = "MyGroupBox";
   groupBox1.Dock = DockStyle.Top;

   // Disable the GroupBox (which disables all its child controls)
   groupBox1.Enabled = false;

   // Add the Groupbox to the form.
   this.Controls.Add(groupBox1);
}

' Add a GroupBox to a form and set some of its common properties.
Private Sub AddMyGroupBox()
   ' Create a GroupBox and add a TextBox to it.
   Dim groupBox1 As New GroupBox()
   Dim textBox1 As New TextBox()
   textBox1.Location = New Point(15, 15)
   groupBox1.Controls.Add(textBox1)
   
   ' Set the Text and Dock properties of the GroupBox.
   groupBox1.Text = "MyGroupBox"
   groupBox1.Dock = DockStyle.Top
   
   ' Disable the GroupBox (which disables all its child controls)
   groupBox1.Enabled = False
   
   ' Add the Groupbox to the form.
   Me.Controls.Add(groupBox1)
End Sub

注解

Point由于类是值类型（Structure在 Visual Basic 中，struct在 Visual C# 中），因此它按值返回，这意味着访问该属性将返回控件左上角点的副本。 因此，调整X从此属性返回的Point或Y属性不会影响Left控件的 、Right、Top或Bottom属性值。 若要调整这些属性，请单独设置每个属性值，或使用新的Point属性设置Location属性。

如果为 Control a Form，则 Location 属性值表示屏幕坐标中的 Form 左上角。

另请参阅

• Form
• ContainerControl