Create, insert text and save a Word doc in C#

Question

I've found loads of useful documentation around creating an instance of a word doc, inserting all manner of text and formatting but cannot find anywhere something to save a document that hasnt already been created and opened programmatically.

Essentially I want to create a docx file and fill it with text from a rich text box. Using code Ive found at How to Insert text in the end of the document I am able to achieve this if I first create a document. But despite suggestions of using _document.SaveAs() (which doesnt exist - version diff i guess) or .Save() supposedly prompting with a SaveAs dialogue if the file doesnt already exist, I always get a type mismatch error. So this is the working code if i pre-create the file to use:

OpenFileDialog SDO = new OpenFileDialog(); SDO.ShowDialog(); Microsoft.Office.Interop.Word._Application oWord; object oMissing = Type.Missing; oWord = new Microsoft.Office.Interop.Word.Application(); oWord.Visible = false; oWord.Documents.Open(SDO.FileName); oWord.Selection.TypeText(richTextBox1.Text); oWord.ActiveDocument.Save(); oWord.Quit();

Now one would assume that removing the lines for the OpenFileDialogue Documents.Open would go some way to saving a new file created in C#, however even with:

Microsoft.Office.Interop.Word._Application oWord; object oMissing = Type.Missing; oWord = new Microsoft.Office.Interop.Word.Application(); oWord.Visible = false; SaveFileDialog SD = new SaveFileDialog(); SD.Filter = "Word File |*.docx"; SD.Title = "Save File"; SD.ShowDialog(); oWord.Documents.Save(SD.FileName,WdNewDocumentType.wdNewXMLDocument); oWord.Selection.TypeText(richTextBox1.Text); oWord.ActiveDocument.Save(); oWord.Quit();

Other examples ive seen open the document so that you can save it yourself but i need it saving without any human intervention other than choosing a filename.

Any help appreciated, also the option of third party dlls like spire and gem are precluded so not an option :(

If anyone has a simple example of creating and saving a word doc that didnt exist before the program ran id be much obliged.

Word docs can be managed using IronWord - ironsoftware.com/csharp/word/blog/using-ironword/… — Santosh Karanam
– Santosh Karanam, Commented Oct 5, 2024 at 16:16

Ubernator · Accepted Answer · 2017-07-03 14:53:28Z

The Microsoft MSDN documentation has tons of useful guides and examples.

You are going to want to include:

using Word = Microsoft.Office.Interop.Word; using Microsoft.Office.Tools.Word;

Then declare your application:

Word.Application app = new Word.Application();

Declare your new document:

Word.Document doc = app.Documents.Add();

Add text to your documnet

There are two ways to save these documents:

Programmatically

Using a save file dialog box

Suddenly Im confused about why i was so confused! Thankyou Mr Rodriguez, i bend before your coding awesomeness.

Jonathan Willcock · Accepted Answer · 2017-07-03 14:43:30Z

This is the way I do it.

app = new Word.Application(); object oMissing = System.Reflection.Missing.Value; Word._Document oDoc = app.Documents.Add(ref oMissing, ref oMissing, ref oMissing, ref oMissing);

.....

app.ActiveDocument.SaveAs2(fileName);

Where filename is my desired file name. When I was originally doing this, I discovered that there were a lot of undocumented (and therefore unsupported) functions. SaveAs2 is one of them! But it does work.

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