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本文将重点介绍了如何设置C＃中演示幻灯片表格上文本的水平对齐方式。 对于Spire.Presentation的文本对齐方式有五个选项：左，右，中心，对齐和无。

首先，检查默认的对齐文档（左）。 然后，将对表上的不同行应用不同的对齐样式。

Step 1:创建演示文稿并从文件加载示例文档。

Presentation presentation = new Presentation();
presentation.LoadFromFile("Sample.pptx",FileFormat.Pptx2010);

Step 2:从示例文档获取表。

ITable table = null;
foreach (IShape shape in presentation.Slides[0].Shapes)
{
    if (shape is ITable)
    {
        table = (ITable)shape;

Step 3:水平对齐文字。

for (int i = 0; i < table.ColumnsList.Count; i++)
{
    table[i, 0].TextFrame.Paragraphs[0].Alignment = TextAlignmentType.Right;
    table[i, 1].TextFrame.Paragraphs[0].Alignment = TextAlignmentType.Center;
    table[i, 2].TextFrame.Paragraphs[0].Alignment = TextAlignmentType.Left;
    table[i, 3].TextFrame.Paragraphs[0].Alignment = TextAlignmentType.None;
    table[i, 4].TextFrame.Paragraphs[0].Alignment = TextAlignmentType.Justify;
}

Step 4:将文档保存到文件。

presentation.SaveToFile("tableresult.pptx", FileFormat.Pptx2010);

效果截图：

完整代码：

static void Main(string[] args)
{
        Presentation presentation = new Presentation();
        presentation.LoadFromFile("Sample.pptx",FileFormat.Pptx2010);
        ITable table = null;
        foreach (IShape shape in presentation.Slides[0].Shapes)
        {
            if (shape is ITable)
            {
                table = (ITable)shape;
                for (int i = 0; i < table.ColumnsList.Count; i++)
                {
                    table[i, 0].TextFrame.Paragraphs[0].Alignment = TextAlignmentType.Right;
                    table[i, 1].TextFrame.Paragraphs[0].Alignment = TextAlignmentType.Center;
                    table[i, 2].TextFrame.Paragraphs[0].Alignment = TextAlignmentType.Left;
                    table[i, 3].TextFrame.Paragraphs[0].Alignment = TextAlignmentType.None;
                    table[i, 4].TextFrame.Paragraphs[0].Alignment = TextAlignmentType.Justify;
                }
            }
        }
        presentation.SaveToFile("tableresult.pptx", FileFormat.Pptx2010);
    }

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