// implement thread-safe messaging with delegate
protected void FileBrowser_ProgressUpdate(object updateData)
{
if (this.InvokeRequired)
{
FileBrowser_ThreadPointer tp = new FileBrowser_ThreadPointer(FileBrowser_ProgressUpdate);
this.Invoke(tp, new object[] { updateData });
}
else
{
ThreadMessageStruct tms = (ThreadMessageStruct)updateData;
ListViewItem item;
switch (tms.Type)
{
case TMSType.Progress1:
this.UpdateForm(tms);
break;
case TMSType.Progress2: break;
case TMSType.Complete1: break;
case TMSType.Complete2: break;
case TMSType.Error:
Exception ex = (Exception)tms.Data1;
// thread.abort() throws an exception
if (ex.GetType() == typeof(System.Threading.ThreadAbortException))
{
MessageBox.Show("Thread aborted.",
"Processing Canceled", MessageBoxButtons.OK, MessageBoxIcon.Information);
}
else
{
MessageBox.Show(ex.Message + Environment.NewLine + Environment.NewLine + ex.StackTrace,
"Processing Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
//(Parent as Form).Close();
break;
default:
break;
}
// strange issue where if the sorting is run subsequent times, this method calls itself
(updateData as ThreadMessageStruct).Type = TMSType.Unknown;
}
}
protected void FileBrowser_ProgressUpdate(object updateData)
{
if (this.InvokeRequired)
{
FileBrowser_ThreadPointer pc = new FileBrowser_ThreadPointer(FileBrowser_ProgressUpdate);
this.Invoke(pc, new object[] { updateData });
}
else
{
ThreadMessageStruct tms = (ThreadMessageStruct)updateData;
ListViewItem item;
switch (tms.Type)
{
case TMSType.Progress1:
string tname = tms.Data1.ToString().Substring(f_rootPath.Text.Length);
item = new ListViewItem(tname);
item.SubItems.Add("");
f_filesResults.Items.Insert(0, item);
m_filesChecked++;
f_filesChecked.Text = "Files Checked: " + m_filesChecked;
break;
case TMSType.Progress2:
if (f_filesResults.Items.Count > 0) /// what ??
{
item = f_filesResults.Items[0];
string status = item.SubItems[1].Text;
if (string.IsNullOrEmpty(status) == false)
status += ", ";
status += tms.Data2.ToString();
item.SubItems[1] = new ListViewItem.ListViewSubItem(item, status);
}
break;
case TMSType.Complete1:
break;
case TMSType.Complete2:
break;
case TMSType.Error:
// computation has thrown an error
Exception ex = (Exception)tms.Data1;
// thread.abort() throws an exception
if (ex.GetType() == typeof(System.Threading.ThreadAbortException))
{
MessageBox.Show("Thread aborted.",
"Processing Canceled", MessageBoxButtons.OK, MessageBoxIcon.Information);
}
else
{
MessageBox.Show(ex.Message + Environment.NewLine + Environment.NewLine + ex.StackTrace,
"Processing Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
//(Parent as Form).Close();
break;
default:
break;
}
}
}
