/// <summary>
/// Commits all modifications made with specified <see cref="ITextBufferEdit"/> and link the commit
/// with <see cref="ITextUndoTransaction"/> in the Editor, if <see cref="_undoHistory"/> is available.
/// </summary>
/// <param name="edit">A set of editing operations on an <see cref="ITextBuffer"/>.</param>
/// <param name="description">The description of the transaction.</param>
private void ApplyEdit(ITextBufferEdit edit, string description)
{
if (_undoHistory != null)
{
using (ITextUndoTransaction transaction = _undoHistory.CreateTransaction(description))
{
edit.Apply();
transaction.Complete();
}
}
else
{
edit.Apply();
}
}
/// <summary>
/// Logs exceptions thrown during <see cref="ITextBufferEdit.Apply"/> as we look for issues.
/// </summary>
/// <param name="edit"></param>
/// <returns></returns>
public static ITextSnapshot ApplyAndLogExceptions(this ITextBufferEdit edit)
{
try
{
return(edit.Apply());
}
catch (Exception e) when(ErrorReporting.FatalError.ReportWithoutCrash(e))
{
s_lastException = e;
// Since we don't know what is causing this yet, I don't feel safe that catching
// will not cause some further downstream failure. So we'll continue to propagate.
throw;
}
}
/// <summary>
/// Commits all modifications made with specified <see cref="ITextBufferEdit"/> and link the commit
/// with <see cref="ITextUndoTransaction"/> in the Editor, if <see cref="_undoHistory"/> is available.
/// </summary>
/// <param name="edit">A set of editing operations on an <see cref="ITextBuffer"/>.</param>
/// <param name="description">The description of the transaction.</param>
private void ApplyEdit(ITextBufferEdit edit, string description)
{
if (_undoHistory != null)
{
using (ITextUndoTransaction transaction = _undoHistory.CreateTransaction(description))
{
edit.Apply();
transaction.Complete();
}
}
else
{
edit.Apply();
}
}