From 551f8215d0a6d2b8bd51b1bab48febdc04f2bac2 Mon Sep 17 00:00:00 2001
From: StasJ <StasJ@users.noreply.github.com>
Date: Tue, 10 Jun 2025 13:32:31 -0600
Subject: [PATCH] Fix #3771

---
 apps/vaporgui/MainForm.cpp | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/apps/vaporgui/MainForm.cpp b/apps/vaporgui/MainForm.cpp
index d0290505f..a84b96000 100644
--- a/apps/vaporgui/MainForm.cpp
+++ b/apps/vaporgui/MainForm.cpp
@@ -242,6 +242,8 @@ MainForm::MainForm(vector<QString> files, QApplication *app, bool interactive, s
 
 int MainForm::RenderAndExit(int start, int end, const std::string &baseFile, int width, int height)
 {
+    _controlExec->SyncWithParams();
+
     if (start == 0 && end == 0) end = INT_MAX;
     start = std::max(0, start);
 
@@ -263,7 +265,10 @@ int MainForm::RenderAndExit(int start, int end, const std::string &baseFile, int
     auto vpp = _paramsMgr->GetViewpointParams(GetStateParams()->GetActiveVizName());
 
     _paramsMgr->BeginSaveStateGroup("test");
-    StartAnimCapture(baseFileWithTS);
+    if (!StartAnimCapture(baseFileWithTS)) {
+        fprintf(stderr, "Failed to start animation capture\n");
+        exit(1);
+    }
     ap->SetStartTimestep(start);
     ap->SetEndTimestep(end);
 
@@ -1232,7 +1237,8 @@ bool MainForm::StartAnimCapture(string baseFile, string defaultSuffix)
     _animationCapture = true;
     GUIStateParams *p = GetStateParams();
     string          vizName = p->GetActiveVizName();
-    _controlExec->EnableAnimationCapture(vizName, true, fpath);
+    if (_controlExec->EnableAnimationCapture(vizName, true, fpath) != 0)
+        return false;
     _capturingAnimationVizName = vizName;
 
     return true;