.net - Why doesn't Word "come to front" when we activate it? -

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our winforms application interacts ms word , run code when document generated , want show in word in front of our application:

[setup w word interop object]  w.visible = true w.activate()

when rolled out xp machines running office 2007 works intended.

on win7 machines running office 2010 document loads behind our application , flashes on taskbar.

any ideas?

i stumbled upon similar problem recently. .net program called com application, on win7 neither show in taskbar nor on desktop @ all. wasn't able track down cause of this, wrote following function work around issue:

[system.runtime.interopservices.dllimport("user32.dll")] private static extern bool setforegroundwindow(intptr hwnd);  private static void bringapptofront() {     foreach (var p in system.diagnostics.process.getprocesses().where(p => p.processname == "cominstancename")) {         if (p.mainwindowhandle.toint32() != 0)             setforegroundwindow(p.mainwindowhandle);     } }

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