diff --git a/AboutBox1.cs b/AboutBox1.cs
index 87e3cee..6179df4 100644
--- a/AboutBox1.cs
+++ b/AboutBox1.cs
@@ -7,6 +7,7 @@ using System.Reflection;
 using System.Threading.Tasks;
 using System.Windows.Forms;
 using UTIL;
+using static System.Windows.Forms.VisualStyles.VisualStyleElement;
 
 namespace AB
 {
@@ -151,10 +152,10 @@ namespace AB
 		*/
 		private void AboutBox1_Load(object sender, EventArgs e)
 		{
+            Util.SetTabWidth(textBoxDescription, 1);
+        }
 
-		}
-
-		private void logoPictureBox_MouseEnter(object sender, EventArgs e)
+        private void logoPictureBox_MouseEnter(object sender, EventArgs e)
 		{
 			timer1.Enabled = true;
 		}
diff --git a/AboutBox1.resx b/AboutBox1.resx
index f7afe6f..dfc1b68 100644
--- a/AboutBox1.resx
+++ b/AboutBox1.resx
@@ -342,7 +342,7 @@
         AAEAAAD/////AQAAAAAAAAAMAgAAAFdTeXN0ZW0uV2luZG93cy5Gb3JtcywgVmVyc2lvbj00LjAuMC4w
         LCBDdWx0dXJlPW5ldXRyYWwsIFB1YmxpY0tleVRva2VuPWI3N2E1YzU2MTkzNGUwODkFAQAAACZTeXN0
         ZW0uV2luZG93cy5Gb3Jtcy5JbWFnZUxpc3RTdHJlYW1lcgEAAAAERGF0YQcCAgAAAAkDAAAADwMAAAB2
-        2QIAAk1TRnQBSQFMAgEBAgEAATgBAQE4AQEBtAEAAbQBAAT/ARkBAAj/AUIBTQE2BwABNgMAASgDAAHQ
+        2QIAAk1TRnQBSQFMAgEBAgEAAVABAQFQAQEBtAEAAbQBAAT/ARkBAAj/AUIBTQE2BwABNgMAASgDAAHQ
         AQICAAG0AwABAQEAARgFAAHAAe4BBREA//8D/wHMAdUCzAGqAswB1QKZAaoCzAGqApkBqgHMAZkBqgGZ
         AcwBqgKZAaoCzAHVApkBqgLMAaoBmQHMAaoCzAHVAcwBmQGqAcwBmQGqAswBqgKZAaoCzAHVAswBqgHM
         AZkBqgGZAcwBqgLMAaoCmQGqAswBqgGZAcwB1QLMAdUBzAX/AswB1QLMAaoCzAHVAswBqgLMAdUCzAGq
diff --git a/ifdebug.snippet b/ifdebug.snippet
new file mode 100644
index 0000000..499532a
--- /dev/null
+++ b/ifdebug.snippet
@@ -0,0 +1,16 @@
+<?xml version="1.0" encoding="utf-8"?>
+<CodeSnippets xmlns="http://schemas.microsoft.com/VisualStudio/2005/CodeSnippet">
+  <CodeSnippet Format="1.0.0">
+    <Header>
+      <Title>ifDEBUG</Title>
+      <Shortcut>ifdebug</Shortcut>
+    </Header>
+    <Author>DK</Author>
+    <Description>insert #if DEBUG</Description>
+    <Snippet>
+      <Code Language="CSharp">
+        <![CDATA[#if DEBUG #endif]]>
+      </Code>
+    </Snippet>
+  </CodeSnippet>
+</CodeSnippets>
\ No newline at end of file
diff --git a/ivk.snippet b/ivk.snippet
new file mode 100644
index 0000000..008cb71
--- /dev/null
+++ b/ivk.snippet
@@ -0,0 +1,19 @@
+<?xml version="1.0" encoding="utf-8"?>
+<CodeSnippets xmlns="http://schemas.microsoft.com/VisualStudio/2005/CodeSnippet">
+  <CodeSnippet Format="1.0.0">
+    <Header>
+      <Title>ivk</Title>
+      <Shortcut>ivk</Shortcut>
+    </Header>
+    <Author>DK</Author>
+    <Description>insert Invoke((MethodInvoker)</Description>
+    <Snippet>
+      <Code Language="CSharp">
+        <![CDATA[                            this.Invoke((MethodInvoker)(delegate
+                            {
+                            }));
+]]>
+      </Code>
+    </Snippet>
+  </CodeSnippet>
+</CodeSnippets>
\ No newline at end of file
diff --git a/util.cs b/util.cs
index 444df95..7b18449 100644
--- a/util.cs
+++ b/util.cs
@@ -576,6 +576,22 @@ namespace UTIL
             else
                 return DateTime.Now.ToString("HH:mm:ss");
         }
+        private const int EM_SETTABSTOPS = 0x00CB;
+
+        [DllImport("User32.dll", CharSet = CharSet.Auto)]
+        public static extern IntPtr SendMessage(IntPtr h, int msg, int wParam, int[] lParam);
+
+        public static void SetTabWidth(TextBox textbox, int tabWidth)
+        {
+            Graphics graphics = textbox.CreateGraphics();
+            var characterWidth = (int)graphics.MeasureString("M", textbox.Font).Width;
+            SendMessage
+                (textbox.Handle
+                , EM_SETTABSTOPS
+                , 1
+                , new int[] { tabWidth * characterWidth }
+                );
+        }
     }
     public class CircularBuffer<T>
     {