c#/vb.net 重置 powerpoint 日期和编号的位置-凯发线上登陆下载网址

前面我们介绍过如何，本文将介绍如何使用spire.presentation重新设置日期和编号的位置。

日期的默认位置在左，编号的默认位置在右，如下图所示：

//加载presentation文档
presentation presentation = new presentation();
presentation.loadfromfile("sample.pptx");
//获取第一张幻灯片
islide slide = presentation.slides[0];
//遍历幻灯片中的形状
foreach (ishape shapetomove in slide.shapes)
{
    //改变编号的位置
    if (shapetomove.name.contains("slide number placeholder"))
    {
        shapetomove.left = 0;
    }
    //改变日期的位置
    else if (shapetomove.name.contains("date placeholder"))
    {
        shapetomove.left = presentation.slidesize.size.width / 2;
        //改变日期的格式
        (shapetomove as iautoshape).textframe.textrange.paragraph.text = datetime.now.tostring("dd.mm.yyyy");
        (shapetomove as iautoshape).textframe.iscentered = true;
    }
}
//保存文档
presentation.savetofile("result.pptx", fileformat.pptx2013);

'加载presentation文档
dim presentation as new presentation()
presentation.loadfromfile("sample.pptx")
'获取第一张幻灯片
dim slide as islide = presentation.slides(0)
'遍历幻灯片中的形状
for each shapetomove as ishape in slide.shapes
	'改变编号的位置
	if shapetomove.name.contains("slide number placeholder") then
		shapetomove.left = 0
	'改变日期的位置
	elseif shapetomove.name.contains("date placeholder") then
		shapetomove.left = presentation.slidesize.size.width / 2
		'改变日期的格式
		trycast(shapetomove, iautoshape).textframe.textrange.paragraph.text = datetime.now.tostring("dd.mm.yyyy")
		trycast(shapetomove, iautoshape).textframe.iscentered = true
	end if
next
'保存文档
presentation.savetofile("result.pptx", fileformat.pptx2013)

生成效果截图如下：