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Force Dialog Box (Spell Check) to Come to Front

Force Dialog Box (Spell Check) to Come to Front

Force Dialog Box (Spell Check) to Come to Front

I've got a VB.NET application which I am working on which uses the Word spellchecking feature. I've tried numerous things to get the dialog box for the spellchecker to pop-up on top of all the other windows, but it doesn't work. Below is the code for the function which I have tried to make work - as you can see I tried .Show, .Active and .Topmost, but no matter what the dialog box is hidden under my windows:


Public Function CheckString(ByRef str As String) As String

        Dim app As Application = New Word.Application
        Dim doc As Document = app.Documents.Add
        app.Selection.Text = str


            Dim dlg As Word.Dialog
            dlg = app.Dialogs.Item(Word.WdWordDialog.wdDialogToolsSpellingAndGrammar)

            Dim oldFilter As IOleMessageFilter = Nothing
            Dim nullFilter As IOleMessageFilter = Nothing
            CoRegisterMessageFilter(nullFilter, oldFilter)
                dlg.TopMost = True

                CoRegisterMessageFilter(oldFilter, oldFilter)
            End Try

            app.Visible = False

            Dim docRange As Range = doc.Content

            str = docRange.Text

            str = str.TrimEnd(Environment.NewLine)

        Catch e As Exception

            System.Diagnostics.Trace.WriteLine("Spell checking...")



        End Try

        Return str

    End Function 


RE: Force Dialog Box (Spell Check) to Come to Front

Well, the bad news is that this is a problem that's been around for years, any solutions I've seen are inconsistent workarounds at best, and Microsoft specifically says that using Word's spell check in other applications is both buggy and not supported.

Perhaps the SpellCheck class could do what you need: https://msdn.microsoft.com/en-us/library/system.wi...

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