protected override void Run()
{
Exception failure = null;
bool error = false;
try
{
Process p = new Process();
p.StartInfo.UseShellExecute = true;
p.StartInfo.FileName = m_path;
p.Start();
}
catch (Win32Exception ex)
{
// If we catch the following Win32 error :
// 1155 - No application is associated with the specified file for this operation
// We fallback by showing the Open as... dialog.
if (ex.NativeErrorCode == 1155)
{
Syscalls.SHELLEXECUTEINFO info = new Syscalls.SHELLEXECUTEINFO();
info.cbSize = System.Runtime.InteropServices.Marshal.SizeOf(info);
info.lpDirectory = Path.GetDirectoryName(m_path);
info.lpFile = Path.GetFileName(m_path);
info.nShow = (int)Syscalls.SW.SW_SHOWDEFAULT;
info.lpVerb = "openas";
info.fMask = Syscalls.SEE_MASK.ASYNCOK;
error = !Syscalls.ShellExecuteEx(ref info);
if (error)
failure = new Exception(Syscalls.GetLastErrorStringMessage());
}
// Can't do anything with the problem, bail out.
else
failure = ex;
}
if (failure != null)
{
Logging.LogException(failure);
MessageBox.Show("Unable to open " + m_path + Environment.NewLine +
failure.Message, "Error on file open", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
/// <summary>
/// Open a given file using the Windows Shell.
/// </summary>
/// <param name="fullPath"></param>
/// <returns>True on error, false otherwise.</returns>
public static bool OpenFile(string fullPath, ref string errorMsg)
{
bool error = false;
try
{
Logging.Log("OpenFile(" + fullPath + ") called.");
Process p = new Process();
p.StartInfo.UseShellExecute = true;
p.StartInfo.FileName = fullPath;
p.Start();
Logging.Log("OpenFile: After p.Start()");
}
catch (Win32Exception)
{
Logging.Log("OpenFile(): Caught Win32Exception");
// 1155 is the following error :
// No application is associated with the specified file for this operation
// Show the Open as... dialog in this case.
if (Syscalls.GetLastError() == 1155)
{
Syscalls.SHELLEXECUTEINFO info = new Syscalls.SHELLEXECUTEINFO();
info.cbSize = System.Runtime.InteropServices.Marshal.SizeOf(info);
info.lpDirectory = Path.GetDirectoryName(fullPath);
info.lpFile = Path.GetFileName(fullPath);
info.nShow = (int)Syscalls.SW.SW_SHOWDEFAULT;
info.lpVerb = "openas";
info.fMask = Syscalls.SEE_MASK.ASYNCOK;
error = !Syscalls.ShellExecuteEx(ref info);
}
else
{
errorMsg = Syscalls.GetLastErrorStringMessage();
error = true;
}
}
catch (Exception ex)
{
errorMsg = ex.Message;
error = true;
}
Logging.Log("OpenFile exiting.");
return error;
}
