public void Print(Control owner, string fileName)
{
Tracing.Enter();
WIA.VectorClass vector = new WIA.VectorClass();
object tempName_o = (object)fileName;
vector.Add(ref tempName_o, 0);
object vector_o = (object)vector;
WIA.CommonDialogClass cdc = new WIA.CommonDialogClass();
// Ok, this looks weird, but here's the story.
// When we show the WIA printing dialog, it is a modal dialog but the way
// it handles itself is that the main window can still be interacted with.
// I don't know why, and it doesn't matter to me except that it causes all
// sorts of other problems (esp. related to the scratch surface.)
// So we show a modal dialog that is effectively invisible so that the user
// cannot interact with the main window while the print dialog is still open.
Form modal = new Form();
modal.ShowInTaskbar = false;
modal.TransparencyKey = modal.BackColor;
modal.FormBorderStyle = FormBorderStyle.None;
modal.Shown +=
delegate(object sender, EventArgs e)
{
cdc.ShowPhotoPrintingWizard(ref vector_o);
modal.Close();
};
modal.ShowDialog(owner);
modal = null;
Marshal.ReleaseComObject(cdc);
cdc = null;
Tracing.Leave();
}
private static void Print(string fileName)
{
WIA.VectorClass vector = new WIA.VectorClass();
object tempName_o = (object)fileName;
vector.Add(ref tempName_o, 0);
object vector_o = (object)vector;
WIA.CommonDialogClass cdc = new WIA.CommonDialogClass();
cdc.ShowPhotoPrintingWizard(ref vector_o);
}
