diff --git a/.gitignore b/.gitignore
index bdc3535f..2a0580c2 100644
--- a/.gitignore
+++ b/.gitignore
@@ -106,3 +106,6 @@ Generated_Code #added for RIA/Silverlight projects
 _UpgradeReport_Files/
 Backup*/
 UpgradeLog*.XML
+
+# Visual Studio 2015/2017 cache/options directory
+.vs/
diff --git a/FastColoredTextBox/FastColoredTextBox.cs b/FastColoredTextBox/FastColoredTextBox.cs
index 9af2ff3c..6ce56fed 100644
--- a/FastColoredTextBox/FastColoredTextBox.cs
+++ b/FastColoredTextBox/FastColoredTextBox.cs
@@ -7550,13 +7550,15 @@ public void OpenFile(string fileName)
         /// </summary>
         /// <param name="fileName"></param>
         /// <param name="enc"></param>
-        public void OpenBindingFile(string fileName, Encoding enc)
+        /// <param name="openMode"></param>
+        /// <param name="shareMode"></param>
+        public void OpenBindingFile(string fileName, Encoding enc, System.IO.FileAccess openMode = System.IO.FileAccess.ReadWrite, System.IO.FileShare shareMode = System.IO.FileShare.None)
         {
             var fts = new FileTextSource(this);
             try
             {
                 InitTextSource(fts);
-                fts.OpenFile(fileName, enc);
+                fts.OpenFile(fileName, enc, openMode, shareMode);
                 IsChanged = false;
                 OnVisibleRangeChanged();
             }
diff --git a/FastColoredTextBox/FileTextSource.cs b/FastColoredTextBox/FileTextSource.cs
index b8b76a0b..9a604636 100644
--- a/FastColoredTextBox/FileTextSource.cs
+++ b/FastColoredTextBox/FileTextSource.cs
@@ -69,7 +69,7 @@ private void UnloadUnusedLines()
             #endif
         }
 
-        public void OpenFile(string fileName, Encoding enc)
+        public void OpenFile(string fileName, Encoding enc, System.IO.FileAccess openMode = System.IO.FileAccess.ReadWrite, System.IO.FileShare shareMode = System.IO.FileShare.None)
         {
             Clear();
 
@@ -79,7 +79,7 @@ public void OpenFile(string fileName, Encoding enc)
             SaveEOL = Environment.NewLine;
 
             //read lines of file
-            fs = new FileStream(fileName, FileMode.Open);
+            fs = new FileStream(fileName, FileMode.Open, openMode, shareMode);
             var length = fs.Length;
             //read signature
             enc = DefineEncoding(enc, fs);
diff --git a/FastColoredTextBoxVS2019.sln b/FastColoredTextBoxVS2019.sln
new file mode 100644
index 00000000..32b950a0
--- /dev/null
+++ b/FastColoredTextBoxVS2019.sln
@@ -0,0 +1,54 @@
+
+Microsoft Visual Studio Solution File, Format Version 11.00
+# Visual Studio 2019
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Tester", "Tester\Tester.csproj", "{EBE443EE-F4C7-49E6-AC22-959CA62FAA05}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "FastColoredTextBox", "FastColoredTextBox\FastColoredTextBox.csproj", "{6DD14A85-CCFC-4774-BD26-0F5772512319}"
+EndProject
+Project("{F184B08F-C81C-45F6-A57F-5ABD9991F28F}") = "TesterVB", "TesterVB\TesterVB.vbproj", "{3EF3A5A0-2365-41FD-97A0-254A2CFC6577}"
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|Any CPU = Debug|Any CPU
+		Debug|Mixed Platforms = Debug|Mixed Platforms
+		Debug|x86 = Debug|x86
+		Release|Any CPU = Release|Any CPU
+		Release|Mixed Platforms = Release|Mixed Platforms
+		Release|x86 = Release|x86
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{EBE443EE-F4C7-49E6-AC22-959CA62FAA05}.Debug|Any CPU.ActiveCfg = Debug|x86
+		{EBE443EE-F4C7-49E6-AC22-959CA62FAA05}.Debug|Mixed Platforms.ActiveCfg = Debug|x86
+		{EBE443EE-F4C7-49E6-AC22-959CA62FAA05}.Debug|Mixed Platforms.Build.0 = Debug|x86
+		{EBE443EE-F4C7-49E6-AC22-959CA62FAA05}.Debug|x86.ActiveCfg = Debug|x86
+		{EBE443EE-F4C7-49E6-AC22-959CA62FAA05}.Debug|x86.Build.0 = Debug|x86
+		{EBE443EE-F4C7-49E6-AC22-959CA62FAA05}.Release|Any CPU.ActiveCfg = Release|x86
+		{EBE443EE-F4C7-49E6-AC22-959CA62FAA05}.Release|Mixed Platforms.ActiveCfg = Release|x86
+		{EBE443EE-F4C7-49E6-AC22-959CA62FAA05}.Release|Mixed Platforms.Build.0 = Release|x86
+		{EBE443EE-F4C7-49E6-AC22-959CA62FAA05}.Release|x86.ActiveCfg = Release|x86
+		{EBE443EE-F4C7-49E6-AC22-959CA62FAA05}.Release|x86.Build.0 = Release|x86
+		{6DD14A85-CCFC-4774-BD26-0F5772512319}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{6DD14A85-CCFC-4774-BD26-0F5772512319}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{6DD14A85-CCFC-4774-BD26-0F5772512319}.Debug|Mixed Platforms.ActiveCfg = Debug|Any CPU
+		{6DD14A85-CCFC-4774-BD26-0F5772512319}.Debug|Mixed Platforms.Build.0 = Debug|Any CPU
+		{6DD14A85-CCFC-4774-BD26-0F5772512319}.Debug|x86.ActiveCfg = Debug|Any CPU
+		{6DD14A85-CCFC-4774-BD26-0F5772512319}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{6DD14A85-CCFC-4774-BD26-0F5772512319}.Release|Any CPU.Build.0 = Release|Any CPU
+		{6DD14A85-CCFC-4774-BD26-0F5772512319}.Release|Mixed Platforms.ActiveCfg = Release|Any CPU
+		{6DD14A85-CCFC-4774-BD26-0F5772512319}.Release|Mixed Platforms.Build.0 = Release|Any CPU
+		{6DD14A85-CCFC-4774-BD26-0F5772512319}.Release|x86.ActiveCfg = Release|Any CPU
+		{3EF3A5A0-2365-41FD-97A0-254A2CFC6577}.Debug|Any CPU.ActiveCfg = Debug|x86
+		{3EF3A5A0-2365-41FD-97A0-254A2CFC6577}.Debug|Mixed Platforms.ActiveCfg = Debug|x86
+		{3EF3A5A0-2365-41FD-97A0-254A2CFC6577}.Debug|Mixed Platforms.Build.0 = Debug|x86
+		{3EF3A5A0-2365-41FD-97A0-254A2CFC6577}.Debug|x86.ActiveCfg = Debug|x86
+		{3EF3A5A0-2365-41FD-97A0-254A2CFC6577}.Debug|x86.Build.0 = Debug|x86
+		{3EF3A5A0-2365-41FD-97A0-254A2CFC6577}.Release|Any CPU.ActiveCfg = Release|x86
+		{3EF3A5A0-2365-41FD-97A0-254A2CFC6577}.Release|Mixed Platforms.ActiveCfg = Release|x86
+		{3EF3A5A0-2365-41FD-97A0-254A2CFC6577}.Release|Mixed Platforms.Build.0 = Release|x86
+		{3EF3A5A0-2365-41FD-97A0-254A2CFC6577}.Release|x86.ActiveCfg = Release|x86
+		{3EF3A5A0-2365-41FD-97A0-254A2CFC6577}.Release|x86.Build.0 = Release|x86
+	EndGlobalSection
+	GlobalSection(SolutionProperties) = preSolution
+		HideSolutionNode = FALSE
+	EndGlobalSection
+EndGlobal