'宣言 Public MustOverride Function HasText() As System.Boolean
'使用法 Dim instance As RenderTextFragment Dim value As System.Boolean value = instance.HasText()
public abstract System.bool HasText()
'宣言 Public MustOverride Function HasText() As System.Boolean
'使用法 Dim instance As RenderTextFragment Dim value As System.Boolean value = instance.HasText()
public abstract System.bool HasText()