From a9bc1d4b7af781f1e4c5ed8325060741dd19ca45 Mon Sep 17 00:00:00 2001
From: niksedk <nikse.dk@gmail.com>
Date: Sun, 14 Nov 2021 12:54:02 +0100
Subject: [PATCH] Fix weird issue where save as dialog does not handle "."
 nicely - thx Leon :) Related to #5472

---
 src/ui/Forms/GenerateVideoWithHardSubs.cs | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/src/ui/Forms/GenerateVideoWithHardSubs.cs b/src/ui/Forms/GenerateVideoWithHardSubs.cs
index c71544616..613ba850e 100644
--- a/src/ui/Forms/GenerateVideoWithHardSubs.cs
+++ b/src/ui/Forms/GenerateVideoWithHardSubs.cs
@@ -113,7 +113,7 @@ namespace Nikse.SubtitleEdit.Forms
                     numericUpDownFontSize.Value = fontSize.Value;
                 }
 
-                checkBoxRightToLeft.Checked = Configuration.Settings.General.RightToLeftMode && 
+                checkBoxRightToLeft.Checked = Configuration.Settings.General.RightToLeftMode &&
                                               LanguageAutoDetect.CouldBeRightToLeftLanguage(_assaSubtitle);
             }
             else
@@ -195,7 +195,7 @@ namespace Nikse.SubtitleEdit.Forms
             buttonOK.Enabled = false;
             numericUpDownFontSize.Enabled = false;
 
-            using (var saveDialog = new SaveFileDialog { FileName = SuggestNewVideoFileName(), Filter = "MP4|*.mp4|Matroska|*.mkv|WebM|*.webm" })
+            using (var saveDialog = new SaveFileDialog { FileName = SuggestNewVideoFileName(), Filter = "MP4|*.mp4|Matroska|*.mkv|WebM|*.webm", AddExtension = true })
             {
                 if (saveDialog.ShowDialog(this) != DialogResult.OK)
                 {
@@ -286,7 +286,7 @@ namespace Nikse.SubtitleEdit.Forms
                 fileName += ".x264";
             }
 
-            return fileName;
+            return fileName.Replace(".", "_") + ".mp4";
         }
 
         private void FixRightToLeft(Subtitle subtitle)
@@ -801,7 +801,7 @@ namespace Nikse.SubtitleEdit.Forms
             if (checkBoxBox.Checked)
             {
                 style.BorderStyle = "4"; // box - multi line
-                style.ShadowWidth = 5;                
+                style.ShadowWidth = 5;
             }
 
             sub.Header = AdvancedSubStationAlpha.GetHeaderAndStylesFromAdvancedSubStationAlpha(sub.Header, new System.Collections.Generic.List<SsaStyle>() { style });