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Print HRESULT for a WebException #49

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Print HRESULT for a WebException #49

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10 changes: 7 additions & 3 deletions WikiFunctions/ErrorHandler.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -42,6 +42,7 @@ public partial class ErrorHandler : Form
private static bool HandleKnownExceptions(Exception ex)
{
Tools.WriteDebug("HandleKnownExceptions", ex.StackTrace);
Exception exceptionOfInterest;
// invalid regex - only ArgumentException, without subclasses
if (ex is ArgumentException &&
(ex.StackTrace.Contains("System.Text.RegularExpressions") ||
Expand All @@ -58,10 +59,13 @@ private static bool HandleKnownExceptions(Exception ex)
"Unsupported culture");
}
// network access error
else if (ex is System.Net.WebException || ex.InnerException is System.Net.WebException)
else if ((exceptionOfInterest = ex) is System.Net.WebException ||
(exceptionOfInterest = ex.InnerException) is System.Net.WebException)
{
// if AWB starts up offline we'll hit here, so provide clear network related message
string msg = ex.Message.StartsWith(@"The type initializer for") ? ex.InnerException.Message : ex.Message;
string msg = exceptionOfInterest.Message;

if (exceptionOfInterest.HResult != 0)
msg += string.Format(" (HRESULT 0x{0:X})", exceptionOfInterest.HResult);

MessageBox.Show(msg, "Network access error",
MessageBoxButtons.OK, MessageBoxIcon.Error);
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