how to hide a Word Document?(c#)

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hi, I write a some code to process a Word Document using C#.

Application app=new Application();
app.Visible = false;
Document doc;
object missing=System.Reflection.Missing.Value;
doc=app.Documents.Open(ref fileName, ref missing, ref missing, ref missing,
                ref missing, ref missing, ref missing, ref missing, ref missing, ref missing,
                ref missing, ref missing, ref missing, ref missing, ref missing, ref missing);
......

when this software process a Word Document "a.doc",Open other Document "b.doc", the "a.doc" is popup. I had set "app.Visible = false;" .
why it display again.

now when this software process a Word Document,can't open other Word Document.

Posted 8-Feb-11 15:34pm

whoyousee

Updated 8-Feb-11 19:17pm

v3

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Nish Nishant · Answer 1 · 2011-02-08T15:43:00

Solution 1

It's impossible to tell what's going on without seeing some of your code, but are you perhaps creating a new Application instance later on? And perhaps you are not setting the Visible property on that instance.

Posted 8-Feb-11 15:43pm

Nish Nishant

Updated 8-Feb-11 15:45pm

v2

Comments

whoyousee 8-Feb-11 22:28pm

I had instanced only one Application.
this code process word take a long time.
have many Action,such as:
Move seletion.

so open other Word Document,will let this software fail.