public static HistoryFunctionResult ApplyFunction(this DocumentWorkspace dw, HistoryFunction function)
{
HistoryFunctionResult successNoOp;
bool flag = false;
if ((function.ActionFlags & ActionFlags.KeepToolActive) != ActionFlags.KeepToolActive)
{
dw.PushNullTool();
dw.Update();
flag = true;
}
try
{
using (new WaitCursorChanger(dw))
{
string localizedErrorText;
HistoryMemento memento = null;
Exception exception = null;
try
{
memento = function.Execute(dw);
if (memento == null)
{
successNoOp = HistoryFunctionResult.SuccessNoOp;
}
else
{
successNoOp = HistoryFunctionResult.Success;
}
localizedErrorText = null;
}
catch (HistoryFunctionNonFatalException exception2)
{
exception = exception2;
if (exception2.InnerException is OutOfMemoryException)
{
successNoOp = HistoryFunctionResult.OutOfMemory;
}
else
{
successNoOp = HistoryFunctionResult.NonFatalError;
}
if (exception2.LocalizedErrorText != null)
{
localizedErrorText = exception2.LocalizedErrorText;
}
else if (exception2.InnerException is OutOfMemoryException)
{
localizedErrorText = PdnResources.GetString("ExecuteFunction.GenericOutOfMemory");
}
else
{
localizedErrorText = PdnResources.GetString("ExecuteFunction.GenericError");
}
}
if ((localizedErrorText != null) && (exception != null))
{
ExceptionDialog.ShowErrorDialog(dw, localizedErrorText, exception);
}
else if ((localizedErrorText != null) && (exception == null))
{
MessageBoxUtil.ErrorBox(dw, localizedErrorText);
}
if (memento != null)
{
dw.History.PushNewMemento(memento);
}
}
}
finally
{
if (flag)
{
dw.PopNullTool();
}
}
return(successNoOp);
}
