25. 使用 Excel 数据实现自动化

var tcXlAddIn = xlapp.COMAddIns.Item("thinkcell.addin").Object;

Option Explicit 
 
Sub UpdateChart_Sample() 

    ' Get the range containing the new data 
    Dim rng As Excel.Range 
    Set rng = ActiveWorkbook.Sheets(1).Range("A1:D5") 

    ' Get the think-cell add-in object 
    Dim tcXlAddIn As Object 
    Set tcXlAddIn = Application.COMAddIns("thinkcell.addin").Object 

    ' Get a PowerPoint instance. Hold on to this 
    ' object as long as you want to access the 
    ' generated presentations. There can only be a 
    ' single PowerPoint instance. If there is no 
    ' PowerPoint running, one will be started. 
    ' Otherwise the existing one is used.

    Dim ppapp As Object 
    Set ppapp = New PowerPoint.Application 

    Dim pres As PowerPoint.Presentation 

    ' PowerPoint window visible 
    ' Set pres = ppapp.Presentations.Open( _ 
    '  Filename:="C:\\Samples\\UpdateChart\\template.pptx", _
    '  Untitled:=msoTrue) 

    ' PowerPoint window invisible 

    Set pres = ppapp.Presentations.Open( _
    Filename:="C:\\Samples\\UpdateChart\\template.pptx", _
    Untitled:=msoTrue, _
    WithWindow:=msoFalse)

    Call tcXlAddIn.UpdateChart(pres, "Chart1", rng, False) 

    ' Save the updated presentation 
    pres.SaveAs ("C:\\Samples\\UpdateChart\\template_updated.pptx") 
    pres.Close 

    ppapp.Quit 
End Sub

using Excel = Microsoft.Office.Interop.Excel;
using PowerPoint = Microsoft.Office.Interop.PowerPoint;
using Office = Microsoft.Office.Core;

namespace ConsoleApplication_UpdateChart
{
    class Program
    {
        static void Main()
        {
            Excel.Application xlapp = new Excel.Application { Visible = true };

            Excel.Workbook workbook = xlapp.Workbooks.Add(1);
            Excel.Worksheet worksheet = (Excel.Worksheet)workbook.Sheets[1];
            worksheet.Cells[3, 1] = "Series 1";
            worksheet.Cells[3, 2] = 1;
            worksheet.Cells[3, 3] = 2;
            worksheet.Cells[3, 4] = 3;

            PowerPoint.Application ppapp = new PowerPoint.Application();
            PowerPoint.Presentation presentation = ppapp.Presentations.Open(
                    "C:\\Samples\\UpdateChart\\template.pptx",
                    Office.MsoTriState.msoFalse,
                    Office.MsoTriState.msoTrue
            );

            var tcXlAddIn = xlapp.COMAddIns.Item("thinkcell.addin").Object;
            tcXlAddIn.UpdateChart(
                presentation,
                "Chart1",
                worksheet.get_Range("A1", "D3"),
                false
            );

            presentation.SaveAs("C:\\Samples\\UpdateChart\\template_updated.pptx");
            presentation.Close();
            ppapp.Quit();

            workbook.Close(false);
            xlapp.Quit();
        }
    }
}

Option Explicit

Sub PresentationFromTemplate_Sample()
    ' Get the range to modify. It is more efficient
    ' to do this once rather than within the loop.
    Dim rng As Excel.Range
    Set rng = ActiveWorkbook.Sheets(1).Cells(3, 8)

    ' Get the think-cell add-in object
    Dim tcXlAddIn As Object
    Set tcXlAddIn = Application.COMAddIns("thinkcell.addin").Object

    ' Get a PowerPoint instance. Hold on to this
    ' object as long as you want to access the
    ' generated presentations. There can only be a
    ' single PowerPoint instance. If there is no
    ' PowerPoint running, one will be started.
    ' Otherwise the existing one is used.
    Dim ppapp As Object
    Set ppapp = New PowerPoint.Application

    Dim i As Integer
    For i = 1 To 10
        ' Modify the range value.
        ' Note: Avoid selecting the cell prior to
        ' changing it. It is very slow and has
        ' undesirable side-effects.
        ' BAD:
        ' rng.Select
        ' ActiveWindow.Selection.Value = 0
        ' GOOD:
        rng.Value = i

        ' Generate a new presentation based on the
        ' linked template.
        Dim pres As PowerPoint.Presentation
        Set pres = tcXlAddIn.PresentationFromTemplate( _
            Excel.ActiveWorkbook, "template.pptx", ppapp _
        )

        ' If you want to modify the new presentation
        ' before saving it this is the place to do it.
        
        ' Save the new presentation
        pres.SaveAs "C:\Samples\PresentationFromTemplate\output_" & i & ".pptx"
        
        ' Explicitly close the presentation when we
        ' are done with it to free its memory.
        ' Letting the object go out of scope is not
        ' sufficient.
        pres.Close
    Next
End Sub

using PowerPoint = Microsoft.Office.Interop.PowerPoint;
using Excel = Microsoft.Office.Interop.Excel;

namespace ConsoleApplication_PresentationFromTemplate
{
    class Program
    {
        static void Main()
        {
            var xlapp = new Excel.Application { Visible = true };
            var tcXlAddIn = xlapp.COMAddIns.Item("thinkcell.addin").Object;
            var workbook = xlapp.Workbooks.Open("C:\\Samples\\PresentationFromTemplate\\data.xlsx");
            var ppapp = new PowerPoint.Application();
            for (var i = 1; i <= 10; ++i)
            {
                workbook.Sheets[1].Cells[3, 8] = i;

                PowerPoint.Presentation presentation = tcXlAddIn.PresentationFromTemplate(
                    workbook,
                    "C:\\Samples\\PresentationFromTemplate\\template.pptx",
                    ppapp
                );

                presentation.SaveAs("C:\\Samples\\PresentationFromTemplate\\output" + i + ".pptx");
                presentation.Close();
            }
            ppapp.Quit();
            workbook.Close(false);
            xlapp.Quit();
        }
    }
}