WrapPanel.Orientation 属性

定义

命名空间:

System.Windows.Controls

程序集:

PresentationFramework.dll

获取或设置一个值，该值指定子内容的排列方向。

public:
 property System::Windows::Controls::Orientation Orientation { System::Windows::Controls::Orientation get(); void set(System::Windows::Controls::Orientation value); };

public System.Windows.Controls.Orientation Orientation { get; set; }

member this.Orientation : System.Windows.Controls.Orientation with get, set

Public Property Orientation As Orientation

属性值

Orientation

一个 Orientation 值，表示 WrapPanel 中所含内容的物理方向为水平或垂直。 默认值是 Horizontal。

示例

以下示例演示如何在可扩展应用程序标记语言 (XAML) 中设置 Orientation 属性。

<Page xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" WindowTitle="WrapPanel Properties Sample">
  <Border HorizontalAlignment="Left" VerticalAlignment="Top" BorderBrush="Black" BorderThickness="2">
        <WrapPanel Orientation="Horizontal" Background="Azure" ItemWidth="25" ItemHeight="25" Height="200" Width="200">
            <Button Width="200">Button 1</Button>
            <Button>Button 2</Button>
            <Button>Button 3</Button>
        </WrapPanel>
  </Border>    
</Page>

以下示例演示如何使用代码设置 Orientation 属性。

// Create the application's main window
mainWindow = gcnew System::Windows::Window();
mainWindow->Title = "WrapPanel Sample";


// Instantiate a new WrapPanel and set properties
myWrapPanel = gcnew WrapPanel();
myWrapPanel->Background = Brushes::Azure;
myWrapPanel->Orientation = Orientation::Horizontal;
myWrapPanel->ItemHeight = 25;

myWrapPanel->ItemWidth = 75;
myWrapPanel->Width = 150;
myWrapPanel->HorizontalAlignment = HorizontalAlignment::Left;
myWrapPanel->VerticalAlignment = VerticalAlignment::Top;

// Define 3 button elements. Each button is sized at width of 75, so the third button wraps to the next line.
btn1 = gcnew Button();
btn1->Content = "Button 1";
btn2 = gcnew Button();
btn2->Content = "Button 2";
btn3 = gcnew Button();
btn3->Content = "Button 3";

// Add the buttons to the parent WrapPanel using the Children.Add method.
myWrapPanel->Children->Add(btn1);
myWrapPanel->Children->Add(btn2);
myWrapPanel->Children->Add(btn3);

// Add the WrapPanel to the MainWindow as Content
mainWindow->Content = myWrapPanel;
mainWindow->Show();

// Create the application's main window
mainWindow = new System.Windows.Window();
mainWindow.Title = "WrapPanel Sample";


// Instantiate a new WrapPanel and set properties
myWrapPanel = new WrapPanel();
myWrapPanel.Background = System.Windows.Media.Brushes.Azure;
myWrapPanel.Orientation = Orientation.Horizontal;
myWrapPanel.Width = 200;
myWrapPanel.HorizontalAlignment = HorizontalAlignment.Left;
myWrapPanel.VerticalAlignment = VerticalAlignment.Top;

// Define 3 button elements. The last three buttons are sized at width 
// of 75, so the forth button wraps to the next line.
btn1 = new Button();
btn1.Content = "Button 1";
btn1.Width = 200;
btn2 = new Button();
btn2.Content = "Button 2";
btn2.Width = 75;
btn3 = new Button();
btn3.Content = "Button 3";
btn3.Width = 75;
btn4 = new Button();
btn4.Content = "Button 4";
btn4.Width = 75;

// Add the buttons to the parent WrapPanel using the Children.Add method.
myWrapPanel.Children.Add(btn1);
myWrapPanel.Children.Add(btn2);
myWrapPanel.Children.Add(btn3);
myWrapPanel.Children.Add(btn4);

// Add the WrapPanel to the MainWindow as Content
mainWindow.Content = myWrapPanel;
mainWindow.Show();

WindowTitle = "WrapPanel Sample"

' Instantiate a new WrapPanel and set properties
Dim myWrapPanel As New WrapPanel()
myWrapPanel.Background = Brushes.Azure
myWrapPanel.Orientation = Orientation.Horizontal

myWrapPanel.Width = 200
myWrapPanel.HorizontalAlignment = Windows.HorizontalAlignment.Left
myWrapPanel.VerticalAlignment = Windows.VerticalAlignment.Top

' Define 3 button elements. The last three buttons are sized at width 
' of 75, so the forth button wraps to the next line.
Dim btn1 As New Button()
btn1.Content = "Button 1"
btn1.Width = 200
Dim btn2 As New Button()
btn2.Content = "Button 2"
btn2.Width = 75
Dim btn3 As New Button()
btn3.Content = "Button 3"
btn3.Width = 75
Dim btn4 As New Button()
btn4.Content = "Button 4"
btn4.Width = 75

' Add the buttons to the parent WrapPanel using the Children.Add method.
myWrapPanel.Children.Add(btn1)
myWrapPanel.Children.Add(btn2)
myWrapPanel.Children.Add(btn3)
myWrapPanel.Children.Add(btn4)

' Add the WrapPanel to the Page as Content
Me.Content = myWrapPanel

<Page xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" WindowTitle="WrapPanel Sample">
  <Border HorizontalAlignment="Left" VerticalAlignment="Top" BorderBrush="Black" BorderThickness="2">
        <WrapPanel Background="LightBlue" Width="200" Height="100">
            <Button Width="200">Button 1</Button>
            <Button>Button 2</Button>
            <Button>Button 3</Button>
            <Button>Button 4</Button>
        </WrapPanel>
  </Border>    
</Page>

注解

Orientation如果该属性设置为 Horizontal，则子内容首先形成水平行，如有必要，将形成行的垂直堆栈。 Orientation如果该属性设置为 Vertical，则子内容首先定位在垂直列中，如果没有足够的空间，则会发生换行，并添加水平维度中的其他列。

依赖项属性信息

标识符字段	OrientationProperty
元数据属性设置为 true	AffectsMeasure

另请参阅

• OrientationProperty