LineShape 類別

發行項
08/21/2008

更新：2007 年 11 月

代表顯示為水平、垂直或對角線的控制項。

命名空間： Microsoft.VisualBasic.PowerPacks
組件： Microsoft.VisualBasic.PowerPacks.Vs (在 Microsoft.VisualBasic.PowerPacks.Vs.dll 中)

語法

<ToolboxBitmapAttribute(GetType(LineShape), "Microsoft.VisualBasic.PowerPacks.LineShape.bmp")> _
Public Class LineShape _
    Inherits Shape

Dim instance As LineShape

[ToolboxBitmapAttribute(typeof(LineShape), "Microsoft.VisualBasic.PowerPacks.LineShape.bmp")]
public class LineShape : Shape

[ToolboxBitmapAttribute(typeof(LineShape), L"Microsoft.VisualBasic.PowerPacks.LineShape.bmp")]
public ref class LineShape : public Shape

public class LineShape extends Shape

備註

不論在設計階段或執行階段，LineShape 控制項都可讓您在表單或容器 (Container) 上繪製線條。

當您將 Line 或 Shape 控制項加入至表單或容器時，會建立隱藏的 ShapeContainer 物件。ShapeContainer 在每個容器控制項內是當成形狀的繪圖介面；每一個 ShapeContainer 都有對應的 ShapeCollection，可讓您逐一查看 Line 和 Shape 控制項。

當您在執行階段建立 LineShape 控制項時，也必須建立 ShapeContainer，並將 LineShape 的 Parent 屬性設定為 ShapeContainer。

範例

下列範例會建立 ShapeContainer 和 LineShape，再將它們加入表單中，然後從表單的頂端到底端顯示一條垂直線。

Dim canvas As New Microsoft.VisualBasic.PowerPacks.ShapeContainer
Dim line1 As New Microsoft.VisualBasic.PowerPacks.LineShape
' Set the form as the parent of the ShapeContainer.
canvas.Parent = Me
' Set the ShapeContainer as the parent of the LineShape.
line1.Parent = canvas
' Set the starting and ending coordinates for the line.
line1.StartPoint = New System.Drawing.Point(Me.Width / 2, 0)
line1.EndPoint = New System.Drawing.Point(Me.Width / 2, Me.Height)

Microsoft.VisualBasic.PowerPacks.ShapeContainer canvas = 
    new Microsoft.VisualBasic.PowerPacks.ShapeContainer();
Microsoft.VisualBasic.PowerPacks.LineShape line1 = 
    new Microsoft.VisualBasic.PowerPacks.LineShape();
// Set the form as the parent of the ShapeContainer.
canvas.Parent = this;
// Set the ShapeContainer as the parent of the LineShape.
line1.Parent = canvas;
// Set the starting and ending coordinates for the line.
line1.StartPoint = new System.Drawing.Point(this.Width / 2, 0);
line1.EndPoint = new System.Drawing.Point(this.Width / 2, this.Height);