通过

DesignerActionTextItem 类

  • 参考

定义

命名空间:
System.ComponentModel.Design
程序集:
System.Design.dll
程序集:
System.Windows.Forms.Design.dll

表示智能标记面板上的静态文本项。

public ref class DesignerActionTextItem : System::ComponentModel::Design::DesignerActionItem
public class DesignerActionTextItem : System.ComponentModel.Design.DesignerActionItem
type DesignerActionTextItem = class
    inherit DesignerActionItem
Public Class DesignerActionTextItem
Inherits DesignerActionItem
继承
Object
DesignerActionItem
DesignerActionTextItem
派生

示例

下面的代码示例演示如何创建 对象的集合 DesignerActionItem 。

有关实现智能标记的完整示例，请参阅 如何：将智能标记附加到 Windows 窗体组件。

public override DesignerActionItemCollection GetSortedActionItems()
{
    DesignerActionItemCollection items = new DesignerActionItemCollection();

    //Define static section header entries.
    items.Add(new DesignerActionHeaderItem("Appearance"));
    items.Add(new DesignerActionHeaderItem("Information"));

    //Boolean property for locking color selections.
    items.Add(new DesignerActionPropertyItem("LockColors",
                     "Lock Colors", "Appearance",
                     "Locks the color properties."));
    if (!LockColors)
    {
        items.Add(new DesignerActionPropertyItem("BackColor",
                         "Back Color", "Appearance",
                         "Selects the background color."));
        items.Add(new DesignerActionPropertyItem("ForeColor",
                         "Fore Color", "Appearance",
                         "Selects the foreground color."));

        //This next method item is also added to the context menu 
        // (as a designer verb).
        items.Add(new DesignerActionMethodItem(this,
                         "InvertColors", "Invert Colors",
                         "Appearance",
                         "Inverts the fore and background colors.",
                          true));
    }
    items.Add(new DesignerActionPropertyItem("Text",
                     "Text String", "Appearance",
                     "Sets the display text."));

    //Create entries for static Information section.
    StringBuilder location = new StringBuilder("Location: ");
    location.Append(colLabel.Location);
    StringBuilder size = new StringBuilder("Size: ");
    size.Append(colLabel.Size);
    items.Add(new DesignerActionTextItem(location.ToString(),
                     "Information"));
    items.Add(new DesignerActionTextItem(size.ToString(),
                     "Information"));

    return items;
}

Public Overrides Function GetSortedActionItems() _
As DesignerActionItemCollection
    Dim items As New DesignerActionItemCollection()

    'Define static section header entries.
    items.Add(New DesignerActionHeaderItem("Appearance"))
    items.Add(New DesignerActionHeaderItem("Information"))

    'Boolean property for locking color selections.
    items.Add(New DesignerActionPropertyItem( _
    "LockColors", _
    "Lock Colors", _
    "Appearance", _
    "Locks the color properties."))

    If Not LockColors Then
        items.Add( _
        New DesignerActionPropertyItem( _
        "BackColor", _
        "Back Color", _
        "Appearance", _
        "Selects the background color."))

        items.Add( _
        New DesignerActionPropertyItem( _
        "ForeColor", _
        "Fore Color", _
        "Appearance", _
        "Selects the foreground color."))

        'This next method item is also added to the context menu 
        ' (as a designer verb).
        items.Add( _
        New DesignerActionMethodItem( _
        Me, _
        "InvertColors", _
        "Invert Colors", _
        "Appearance", _
        "Inverts the fore and background colors.", _
        True))
    End If
    items.Add( _
    New DesignerActionPropertyItem( _
    "Text", _
    "Text String", _
    "Appearance", _
    "Sets the display text."))

    'Create entries for static Information section.
    Dim location As New StringBuilder("Location: ")
    location.Append(colLabel.Location)
    Dim size As New StringBuilder("Size: ")
    size.Append(colLabel.Size)

    items.Add( _
    New DesignerActionTextItem( _
    location.ToString(), _
    "Information"))

    items.Add( _
    New DesignerActionTextItem( _
    size.ToString(), _
    "Information"))

    Return items
End Function

注解

类 DesignerActionTextItem 表示智能标记面板中的单个静态文本项。 通过调用 方法返回组，将各个项关联在一 GetSortedActionItems 起以形成面板。

最常见的是，静态文本项用于在面板中创建信息标签。 单击静态文本项不会导致任何操作。 派生类型 DesignerActionHeaderItem 通常用于创建标签以分隔类别。

构造函数

DesignerActionTextItem(String, String)

初始化 DesignerActionTextItem 类的新实例。

属性

AllowAssociate

获取或设置一个值，该值表示是否允许将此项放入具有相同 Category 属性值的一组项中。

(继承自 DesignerActionItem)
Category

获取某个项的组名。

(继承自 DesignerActionItem)
Description

获取项的补充文本。

(继承自 DesignerActionItem)
DisplayName

获取此项的文本。

(继承自 DesignerActionItem)
Properties

获取对一个集合的引用，该集合可用于存储程序员定义的键/值对。

(继承自 DesignerActionItem)
ShowInSourceView

获取或设置指示此项目是否在源代码视图中显示的值。

(继承自 DesignerActionItem)

方法

Equals(Object)

确定指定对象是否等于当前对象。

(继承自 Object)
GetHashCode()

作为默认哈希函数。

(继承自 Object)
GetType()

获取当前实例的 Type。

(继承自 Object)
MemberwiseClone()

创建当前 Object 的浅表副本。

(继承自 Object)
ToString()

返回表示当前对象的字符串。

(继承自 Object)

适用于

另请参阅