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Aspose.Words for .Net是一种高级Word文档处理API，用于执行各种文档管理和操作任务。API支持生成，修改，转换，呈现和打印文档，而无需在跨平台应用程序中直接使用Microsoft Word。2021年3月更新来啦，.NET版Aspose.Words更新至v21.3新版本！

主要特点如下：

• 介绍了StyleCollection类的ClearQuickStyleGallery方法。
• 扩展字体API，用于设置文本的Fill属性。
• 添加了使用StructuredDocumentTagRangeStart的子节点的功能。
• 修复了由于合并了隐藏的段落而导致嵌套的PDF书签的问题。
• 新添LINQ Reporting Engine支持的Select和SelectMany扩展方法。

>>你可以点击这里下载Aspose.Words for .NET v21.3测试体验。

具体更新内容

完整更新细则请参考：【Aspose.Words for .NET v21.3更新说明】

新功能解析

①WORDSNET-7788：扩展字体API设置文本的Fill属性

现在，不仅可以从ShapeBase中访问Fill属性，还可以从Font对象中访问该属性：

此外，以下新的公共属性已添加到Fill类中：

此外，以下新的公共枚举已添加到Aspose.Words.Drawing命名空间中：

用例如下：

// Open some document with text effects.
const string myDir = @"example\";
Document doc = new Document(myDir + "TextTwoColorGradient.docx");
 
// Get Fill object for Font of the first Run.
Fill fill = doc.FirstSection.Body.FirstParagraph.Runs[0].Font.Fill;
 
// Check Fill properties of the Font.
Console.WriteLine("The type of the fill is: {0}", fill.FillType);
Console.WriteLine("It is{0} visible.", fill.Visible ? "" : " not");
Console.WriteLine("The foreground color of the fill is: {0}", fill.ForeColor);
Console.WriteLine("The background color of the fill is: {0}", fill.BackColor);
Console.WriteLine("The fill is transparent at {0}%", fill.Transparency * 100);
Console.WriteLine("Note the opacity is opposite to transparency and has value: {0}%", fill.Opacity * 100);
 
// You can change, for example, the foreground color.
fill.ForeColor = Color.Yellow;
// Or even make it invisible.
fill.Visible = false;
// But let's make it visible again with foreground color Red.
fill.ForeColor = Color.Green;
// Note, it now has Solid type with 100% opacity.
Console.WriteLine("\nThe fill is changed:");
Console.WriteLine("The type of the fill is: {0}", fill.FillType);
Console.WriteLine("The foreground color of the fill is: {0}", fill.ForeColor);
Console.WriteLine("The fill opacity is {0}%", fill.Opacity * 100);
 
// Let's also change the transparency.
fill.Transparency = 0.25;
Console.WriteLine("\nThe fill is changed once again:");
Console.WriteLine("The fill transparency is {0}%", fill.Transparency * 100);
 
doc.Save(myDir + "TextTwoColorGradient Out.docx");
/*
This code example produces the following results:
 
The type of the fill is: Gradient
It is visible.
The foreground color of the fill is: Color [A=255, R=128, G=0, B=0]
The background color of the fill is: Color [A=255, R=0, G=0, B=0]
The fill is transparent at 16%
Note the opacity is opposite to transparency and has value: 84%
 
The fill is changed:
The type of the fill is: Solid
The foreground color of the fill is: Color [A=255, R=0, G=128, B=0]
The fill opacity is 100%
 
The fill is changed once again:
The fill transparency is 25%
*/

②WORDSNET-21189：添加了使用StructuredDocumentTagRangeStart的子节点的功能

以下公共属性已添加到StructuredDocumentTagRangeStart类：

以下公共方法已添加到StructuredDocumentTagRangeStart类中：

这些更改允许枚举范围化结构化文档标签的子节点。为了客户方便，功能遵循CompositeNode模式并返回实时集合。

用例：说明如何使用StructuredDocumentTagRangeStart的子节点

Document doc = new Document("document-containing-ranged-structured-document-tag");
StructuredDocumentTagRangeStart tag = (StructuredDocumentTagRangeStart)doc.FirstSection.Body.FirstChild;
 
Console.WriteLine(tag.ChildNodes.Count);
 
foreach(Node node in tag.ChildNodes)
    Console.WriteLine(node.NodeType);
 
foreach(Node node in tag.GetChildNodes(NodeType.Run, true))
    Console.WriteLine(node.GetText());

③WORDSNET-12810：为字体来源添加了警告回调属性

以下公共属性已添加到FontSourceBase类：

用例：

FontSettings settings = new FontSettings();
settings.SetFontsFolder("bad folder?", false);
 
FontSourceBase source = settings.GetFontsSources()[0];
IWarningCallback wc = new CustomWarningCallback();
source.WarningCallback = wc;
 
IListfontInfos = source.GetAvailableFonts();
 
Console.WriteLine((wc as IList)[0].Description);

输出如下：

Error loading font from the folder "bad folder?": Illegal characters in path.

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