The task is to loop through an Excel workbook with multiple sheets and copy all the charts contained in the workbook into a PowerPoint presentation, one chart per slide and always the same layout.
Sub PPT_Example()
Dim pptApp As PowerPoint.Application
Dim pptPres As PowerPoint.Presentation
Dim sh As Worksheet
Dim ch As ChartObject
Set pptApp = New PowerPoint.Application
pptApp.Visible = True
Set pptPres = pptApp.Presentations.Add
pptPres.PageSetup.SlideSize = PpSlideSizeType.ppSlideSizeOnScreen16x9
For Each sh In ActiveWorkbook.Sheets
For Each ch In sh.ChartObjects
Dim pptSlide As Slide
Dim Title As Object
Dim Box As Object
Dim Txt As Object
Set pptSlide = pptPres.Slides.Add(pptPres.Slides.Count + 1, ppLayoutBlank)
ch.Copy
With pptSlide.Shapes.Paste
.Top = Application.CentimetersToPoints(3.3)
.Left = Application.CentimetersToPoints(0.76)
.Width = Application.CentimetersToPoints(16)
.Height = Application.CentimetersToPoints(10.16)
End With
'Insert Box
Set Box = pptSlide.Shapes.AddShape(Type:=msoShapeRectangle, _
Left:=Application.CentimetersToPoints(17.1), _
Top:=Application.CentimetersToPoints(3.3), _
Width:=Application.CentimetersToPoints(7.22), _
Height:=Application.CentimetersToPoints(9.29))
Prop_Box.Name = "Box"
pptSlide.Shapes("Box").Fill.ForeColor.RGB = RGB(219, 233, 255)
pptSlide.Shapes("Box").Line.ForeColor.RGB = RGB(0, 102, 255)
'Insert the text box
Set Txt = pptSlide.Shapes.AddTextbox(Orientation:=msoTextOrientationHorizontal, _
Left:=Application.CentimetersToPoints(17.1), _
Top:=Application.CentimetersToPoints(3.3), _
Width:=Application.CentimetersToPoints(7.22), _
Height:=Application.CentimetersToPoints(9.29))
Txt.Name = "Txt"
pptSlide.Shapes("Txt").TextFrame.TextRange.Font.Size = 14
pptSlide.Shapes("Txt").TextFrame.TextRange.Font.Bold = msoCTrue
pptSlide.Shapes("Txt").TextFrame.TextRange.Font.Name = "Arial"
pptSlide.Shapes("Txt").TextFrame.TextRange.Text = "Sample Text"
'Clear the Clipboard
Dim oData As New DataObject 'object to use the clipboard
oData.SetText Text:=Empty 'Clear
oData.PutInClipboard
Next
Next
End Sub
The code works on my example (2 sheets, 3 charts total) but not if I apply it to the real thing, which is a workbook with 10-15 sheets and 8 charts per sheet. At some (random?) point, the code stops and gives me this error.
Run-time error:
Shapes (unknown member): Invalid request. Clipboard is empty or contains data which may not be pasted here.
I noted that the code crashed earlier, the more objects I put on the slides (which is why I left the text and the box in my example, although not strictly neccessary). Given that and the error message, I assumed the clipboard might not be cleared properly after each loop, so I put in a section to clear the clipboard but it didn't solve the issue.
After the chart is copied, try adding DoEvents and pausing the macro for a few seconds before pasting it into your slide. And the same thing after it's pasted into your slide.
So, for example, first add the following function to pause your code . . .
Sub PauseMacro(ByVal secs As Long)
Dim endTime As Single
endTime = Timer + secs
Do
DoEvents
Loop Until Timer > endTime
End Sub
Then try something like this . . .
ch.Copy
DoEvents
PauseMacro 5 'pause for 5 seconds
With pptSlide.Shapes.Paste
DoEvents
PauseMacro 5 'pause for 5 seconds
.Top = Application.CentimetersToPoints(3.3)
.Left = Application.CentimetersToPoints(0.76)
.Width = Application.CentimetersToPoints(16)
.Height = Application.CentimetersToPoints(10.16)
End With
You may find through testing that you can pause for less than 5 seconds, maybe 3 seconds.
My approach is to split out potentially time-consuming operations into separate functions (see "'' Call as a Function" below). When a function is called, and then has to return, it seems that Excel/VBA/the-little-green-men-running-everything make sure that whatever operation it is waits until the operation is finished (the chart is totally added to the clipboard, the clipboard contents are totally pasted, the shape is totally instantiated, etc.) before continuing.
This also means not necessarily forcing a delay during execution that might not be needed (the Do Until
or Loop Until
or Wait
that is often suggested).
So your code might look like this (caveat: untested)
Sub PPT_Example()
Dim pptApp As PowerPoint.Application
Dim pptPres As PowerPoint.Presentation
Dim sh As Worksheet
Dim ch As ChartObject
Set pptApp = New PowerPoint.Application
pptApp.Visible = True
Set pptPres = pptApp.Presentations.Add
pptPres.PageSetup.SlideSize = PpSlideSizeType.ppSlideSizeOnScreen16x9
For Each sh In ActiveWorkbook.Sheets
For Each ch In sh.ChartObjects
Dim pptSlide As Slide
Dim Title As Object
Dim Box As Object
Dim Txt As Object
Set pptSlide = NewSlide(pptPres) '' Call as a Function
ch.Copy
Dim shp As PowerPoint.Shape
Set shp = NewShape(pptSlide) '' Call as a Function
With shp
.Top = Application.CentimetersToPoints(3.3)
.Left = Application.CentimetersToPoints(0.76)
.Width = Application.CentimetersToPoints(16)
.Height = Application.CentimetersToPoints(10.16)
End With
'Insert Box
Set Box = NewBox(pptSlide) '' Call as a Function
Prop_Box.Name = "Box"
pptSlide.Shapes("Box").Fill.ForeColor.RGB = RGB(219, 233, 255)
pptSlide.Shapes("Box").Line.ForeColor.RGB = RGB(0, 102, 255)
'Insert the text box
Set Txt = NewTextBox(pptSlide) '' Call as a Function
Txt.Name = "Txt"
pptSlide.Shapes("Txt").TextFrame.TextRange.Font.Size = 14
pptSlide.Shapes("Txt").TextFrame.TextRange.Font.Bold = msoCTrue
pptSlide.Shapes("Txt").TextFrame.TextRange.Font.Name = "Arial"
pptSlide.Shapes("Txt").TextFrame.TextRange.Text = "Sample Text"
'Clear the Clipboard
Dim oData As New DataObject 'object to use the clipboard
oData.SetText Text:=Empty 'Clear
oData.PutInClipboard
Next
Next
End Sub
Function NewSlide(pptPres As PowerPoint.Presentation) As PowerPoint.Slide
Set NewSlide = pptPres.Slides.Add(pptPres.Slides.Count + 1, ppLayoutBlank)
End Function
Function NewShape(pptSlide As PowerPoint.Slide) As PowerPoint.Shape
Set NewShape = pptSlide.Shapes.Paste
End Function
Function NewBox(pptSlide As PowerPoint.Slide) As Object
Set Box = pptSlide.Shapes.AddShape(Type:=msoShapeRectangle, _
Left:=Application.CentimetersToPoints(17.1), _
Top:=Application.CentimetersToPoints(3.3), _
Width:=Application.CentimetersToPoints(7.22), _
Height:=Application.CentimetersToPoints(9.29))
End Function
Function NewTextBox(pptSlide As PowerPoint.Slide) As Object
Set NewTextBox = pptSlide.Shapes.AddTextbox(Orientation:=msoTextOrientationHorizontal, _
Left:=Application.CentimetersToPoints(17.1), _
Top:=Application.CentimetersToPoints(3.3), _
Width:=Application.CentimetersToPoints(7.22), _
Height:=Application.CentimetersToPoints(9.29))
End Function
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