ShowDialog() gets no DialogResult

This is very odd. I have never had this issue with ShowDialog in C#. For some odd reason when the code developed for 64bit OS tries to show the Printer Dialog it never does it and the DialogResult is "None". I have debugged it by stepping thru each line and see no clues. I've checked the namespace and verified that I set proper references:

using System.IO;
using System.Windows.Forms;

Here's the code:

    private void printToolStripMenuItem_Click(object sender, EventArgs e)
        printDoc.DefaultPageSettings = pgSettings;
        PrintDialog dlg = new PrintDialog();
        dlg.Document = printDoc;
        if (dlg.ShowDialog() == DialogResult.OK)

The exact same code, in an almost identical version for 32 bit machines, has no problem. The dialog is displayed, the user selects a printer, presses OK and the task is complete.

In the 64bit version, the ShowDialog() will not work for PrintDialog() but will work for PrintPreviewDialog()!

Any ideas would be greatly appreciated!


I think this has been answered elsewhere:

Try setting USEExDialog = True - It should work.

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