返回或设置指定线条开头的箭头样式。可读写。MsoArrowheadStyle 类型。
| MsoArrowheadStyle 可以是下列 MsoArrowheadStyle 类型常数之一。 | 
| msoArrowheadDiamond | 
| msoArrowheadNone | 
| msoArrowheadOpen | 
| msoArrowheadOval | 
| msoArrowheadStealth | 
| msoArrowheadStyleMixed | 
| msoArrowheadTriangle | 
expression.BeginArrowheadStyle
expression 必选。该表达式返回“应用于”列表中的对象之一。
本示例在 myDocument 中添加一条线。在该线条的起点有一个短而窄的椭圆,在终点有一个长而宽的三角形。
Set myDocument = ActivePresentation.Slides(1)
With myDocument.Shapes.AddLine(100, 100, 200, 300).Line
    .BeginArrowheadLength = msoArrowheadShort
    .BeginArrowheadStyle = msoArrowheadOval
    .BeginArrowheadWidth = msoArrowheadNarrow
    .EndArrowheadLength = msoArrowheadLong
    .EndArrowheadStyle = msoArrowheadTriangle
    .EndArrowheadWidth = msoArrowheadWide
End With