/// <summary>
/// Rollback all changes and close this form
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void cancelButton_Click(object sender, EventArgs e)
{
if (m_transCount > 0)
{
if (TaskDialogResult.No ==
TaskDialog.Show("Warning", "By canceling this dialog, all modifications to the model will be discarded."
+ " Do you want to proceed?", TaskDialogCommonButtons.Yes | TaskDialogCommonButtons.No))
{
this.DialogResult = DialogResult.None;
return;
}
}
// if there is still an active transaction, roll it back now, silently
if ((null != m_transaction) && (m_transaction.GetStatus() == TransactionStatus.Started))
{
m_transaction.RollBack();
}
// if there are still transaction groups open, roll them back now, silently
if ((null != m_transactionGroup) && (m_transactionGroup.GetStatus() == TransactionStatus.Started))
{
HandleNestedTransactionGroups(OperationType.RollbackTransactionGroup);
}
// silently roll back the main (hidden) transaction group
if ((null != m_mainTtransactionGroup) && (m_mainTtransactionGroup.GetStatus() == TransactionStatus.Started))
{
m_mainTtransactionGroup.RollBack();
}
this.DialogResult = DialogResult.Cancel;
this.Close();
}
public static TResult InvokeGroup <TResult>(this Document doc, Func <TransactionGroup, TResult> func, string name = "default")
{
using (var tr = new TransactionGroup(doc, name))
{
tr.Start();
var result = func(tr);
var status = tr.GetStatus();
switch (status)
{
case TransactionStatus.Started:
tr.Commit();
return(result);
case TransactionStatus.Committed:
case TransactionStatus.RolledBack:
return(result);
case TransactionStatus.Error:
tr.RollBack();
return(result);
default:
return(result);
}
}
}
public Result Execute(
ExternalCommandData commandData,
ref string message, ElementSet elements)
{
UIApplication uiApp = commandData.Application;
_uiDoc = uiApp.ActiveUIDocument;
_doc = _uiDoc.Document;
SettingsUsr.Init();
// this cleaned up the text display problem
// Application.SetCompatibleTextRenderingDefault(false);
using (TransactionGroup tg = new TransactionGroup(_doc, "measure points"))
{
tg.Start();
Process(_uiDoc, _doc);
if (tg.GetStatus() == TransactionStatus.Started)
{
tg.RollBack();
}
}
return(Result.Succeeded);
}
public static void InvokeGroup(this Document doc, Action <TransactionGroup> action, string name = "default")
{
using (var tr = new TransactionGroup(doc, name))
{
tr.Start();
action(tr);
var status = tr.GetStatus();
switch (status)
{
case TransactionStatus.Started:
tr.Commit();
return;
case TransactionStatus.Committed:
case TransactionStatus.RolledBack:
break;
case TransactionStatus.Error:
tr.RollBack();
return;
default:
return;
}
}
}
/// <summary>
/// Accept the changes and and close this form
/// </summary>
/// <remarks>If any transaction group or the active transaction is still open
/// give the user the option to either commit them or roll them back first.</remarks>
/// <param name="sender"></param>
/// <param name="e"></param>
private void okButton_Click(object sender, EventArgs e)
{
//if any transaction or transaction group is not finished, notify user to deal with it
if (null != m_transaction || null != m_transactionGroup)
{
TaskDialogResult dialogResult =
TaskDialog.Show("Warning", "Some transaction groups or the active transaction is not committed."
+ " Choose Yes to commit them, or No to roll them back.", TaskDialogCommonButtons.Yes | TaskDialogCommonButtons.No | TaskDialogCommonButtons.Cancel);
if (TaskDialogResult.Cancel == dialogResult)
{
return;
}
else if (TaskDialogResult.Yes == dialogResult)
{
if (m_transaction != null && (m_transaction.GetStatus() == TransactionStatus.Started))
{
m_transaction.Commit();
}
HandleNestedTransactionGroups(OperationType.CommitTransactionGroup);
}
else
{
if (m_transaction != null && (m_transaction.GetStatus() == TransactionStatus.Started))
{
m_transaction.RollBack();
}
HandleNestedTransactionGroups(OperationType.RollbackTransactionGroup);
}
}
// silently commit the main (hidden) transaction group
if ((null != m_mainTtransactionGroup) && (m_mainTtransactionGroup.GetStatus() == TransactionStatus.Started))
{
m_mainTtransactionGroup.SetName("SDK Transaction Sample");
m_mainTtransactionGroup.Assimilate();
}
this.DialogResult = DialogResult.OK;
this.Close();
}
