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POWIX - change dialog text label from background immediate custom action
 

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  1. POWIX - change dialog text label from background immediate custom action
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    <p>I have defined custom action to scan lan network computers. This action is declared as immediate and triggered after user click dialog button:</p> <pre><code>&lt;CustomAction Id="actionGetNetworkComputers" BinaryKey="actionBinary" DllEntry="GetNetworkComputers" Execute="immediate" Return="check"/&gt; </code></pre> <p>Custiom action code:</p> <pre><code>public static ActionResult GetNetworkComputers(Session session) { ListNetworkComputers.NetworkBrowser nb = new ListNetworkComputers.NetworkBrowser(); Microsoft.Deployment.WindowsInstaller.View lView = session.Database.OpenView("DELETE FROM ComboBox WHERE ComboBox.Property='SERVER_LIST'"); lView.Execute(); lView = session.Database.OpenView("SELECT * FROM ComboBox"); lView.Execute(); int Index = 1; try { foreach (string s in nb.getNetworkComputers()) { Record lRecord = session.Database.CreateRecord(4); lRecord.SetString(1, "SERVER_LIST"); lRecord.SetInteger(2, Index); lRecord.SetString(3, s); lRecord.SetString(4, s); lView.Modify(ViewModifyMode.InsertTemporary, lRecord); ++Index; } } catch (Exception ex) { session.Log(ex.StackTrace); } lView.Close(); return ActionResult.Success; } </code></pre> <p>There are 2 main problems with this:</p> <p>Action is blocking, so installer window freezes until nb.getNetworkComputers reurns. If I declare action return as asyncWait, action is executed but retrieved values are not inserted to ComboBox. Also, I need some label indicating operation progress, for example: "Scanning network, please wait" and hide this label after scan ends.</p> <p>Is this possible with wix? Any tips?</p>
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