从WPF RichTextBox获取FontWeight/FontStyle/TextDecorations

Question

如何检测WPF RichTextBox中光标位置的当前文本格式？

Answer 1

该主题的作者还询问了TextDecorations,其中没有提供示例代码及其使用的不同.我发布这个作为进一步的解决方案:

var obj = _myText.GetPropertyValue(Inline.TextDecorationsProperty);

                    if (obj == DependencyProperty.UnsetValue)                   
                        IsTextUnderline = false;// mixed formatting 

                    if (obj is TextDecorationCollection)
                    {
                        var objProper = obj as TextDecorationCollection;

                        if (objProper.Count > 0)                        
                            IsTextUnderline = true; // all underlined                       
                        else                        
                            IsTextUnderline = false; // nothing underlined                   
                    }