How to programmatically get the usable page height in a word document/template

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My software copies graphs into a Word document, and the document is based on various templates that users have made, therefore the usable page height varies, depending on header/footer and margins. I'm trying to optimize the graph height and there may be 2-3 graphs per page, depending on the report type.

What I have tried:

I've tried using the Range.PageSetup.PageHeight property and subtracting the Range.PageSetup.TopMargin, Range.PageSetup.BottomMargin, Range.PageSetup.HeaderDistance, and Range.PageSetup.FooterDistance, but the calculation seems to be missing something, i.e. the returned graph height is a little too big or small to fit the number of graphs per pg. I realize it depends when this calculation is done in the code, since the formatting may be adjusted, so the calculation is done just prior to coping the graph.

Posted 29-Jul-20 11:06am

Darryl Bryk

Updated 30-Jul-20 20:48pm

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Maciej Los 30-Jul-20 4:10am

What method do you use to copy a graph?

Darryl Bryk 30-Jul-20 20:41pm

Code to copy a graph:
using (MemoryStream mem = new MemoryStream()) {
cht.SaveImage(mem, ChartImageFormat.Bmp);
using (Bitmap bmp = new Bitmap(mem)) {
Clipboard.SetImage(bmp);
if (Clipboard.ContainsImage())
par.Range.Paste();
else throw new Exception("Clipboard.ContainsImage() failed");
}
}

[no name] 30-Jul-20 17:10pm

The "template" should be set up so that the images are scaled properly. Or use image "placeholders" to get properties.

Darryl Bryk 30-Jul-20 20:42pm

I'd rather not rely on users that make templates determining the placement of images.

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Maciej Los · Answer 1 · 2020-07-30T20:48:00

Darryl Bryk wrote:

Code to copy a graph:

C#

using (MemoryStream mem = new MemoryStream()) {
cht.SaveImage(mem, ChartImageFormat.Bmp);
using (Bitmap bmp = new Bitmap(mem)) {
Clipboard.SetImage(bmp);
if (Clipboard.ContainsImage())
par.Range.Paste();
else throw new Exception("Clipboard.ContainsImage() failed");
}
}

I was almost sure that you're pasting the image instead of graph...

One way to fit image is to add an image into a cell of table. I'd suggest to use borderless table and change its default AutoFitBehaviour to wdAutoFitWindow. You can also try to use wdAutoFitFixed. Please see: Table.AutoFitBehavior method (Word) | Microsoft Docs[^]

Another solution is to use TextFrame object (Word) | Microsoft Docs[^].