Clear

MathParagraph.Clear method

从集合中删除所有元素。

public void Clear()

例子

示例:

[C#]
IAutoShape shape = slide.Shapes.AddMathShape(x, y, width, height);
IMathParagraph mathParagraph = (shape.TextFrame.Paragraphs[0].Portions[0] as MathPortion).MathParagraph;
mathParagraph.Add(new MathBlock(new MathematicalText("block1")));
mathParagraph.Add(new MathBlock(new MathematicalText("block2")));
mathParagraph.Clear();

也可以看看

Add Contains