[英]How to directly embed an excel chart from memory onto a powerpoint slide?
[英]Excel/Powerpoint Office Interop - Copy chart from Excel Sheet to Powerpoint Slide
我有一個Excel工作簿,里面有多個圖表。 我創建了一個for循環,用於獲取每個工作表中的圖表。 這可以正常工作。
我遇到的問題是我不能導入多個圖表,只能導入一個,並且它作為圖片而不是圖表導入。
當我嘗試導入多個圖表時,在此行上出現COMException
:
objChart.Copy();
完整錯誤:
An exception of type 'System.Runtime.InteropServices.COMException' occurred in mscorlib.dll but was not handled in user code
Additional information: Exception from HRESULT: 0x800A03EC
這是我的完整方法:
public int ImportExcelChartsFromWorkbookToSlides(int startingSlideIndex, string workbookPath, string[] slideTitles)
{
int slideIndex = startingSlideIndex;
int titleIndex = 0;
EXCL.Application objExclApp = new EXCL.Application();
EXCL.Workbook objWorkbook = objExclApp.Workbooks.Open(workbookPath, Editable: false);
foreach (EXCL.Worksheet objSheet in objWorkbook.Worksheets)
{
foreach (EXCL.ChartObject objChart in objSheet.ChartObjects())
{
AddTitleOnlySlide(slideIndex);
SetTitleOnlySlideTitle(slideTitles[titleIndex]);
// Copy Chart from Sheet to Slide
objChart.Copy();
PPT.ShapeRange objShapeRange = objSlide.Shapes.Paste();
// TODO PARAMETER
objShapeRange.Left = 10;
objShapeRange.Top = 100;
slideIndex++;
titleIndex++;
}
}
return slideIndex;
}
有人看到此代碼有任何問題嗎?
UPDATE
如果我更改此行:
objChart.Copy();
對此:
objChart.CopyPicture();
我沒有問題..是什么原因引起的?
我設法通過使用objChart.CopyPicture();
來解決此問題objChart.CopyPicture();
但這導致某些用戶崩潰 ,所以我最終這樣做:
string chartPath = $@"{workbookPath.Substring(0, workbookPath.LastIndexOf("\\") + 1)}{DateTime.Now.Ticks}.png";
objChart.Chart.Export(chartPath, "PNG", false);
objSlide.Shapes.AddPicture2(chartPath, MsoTriState.msoFalse, MsoTriState.msoTrue, chartPosLeft, chartPosTop, compress: MsoPictureCompress.msoPictureCompressFalse);
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