From 7bbaa54ea658d429e54234cde64b0c3df17b26d7 Mon Sep 17 00:00:00 2001
From: Jonas Arnold <jonas.arnold@live.de>
Date: Thu, 4 May 2023 11:24:05 +0200
Subject: [PATCH] fixed paste into RichTextBox in MultiFormatTextBox

---
 .../MultiFormatTextBox/MultiFormatTextBox.cs  | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)

diff --git a/MultiTerm.Wpf.CustomControl/MultiFormatTextBox/MultiFormatTextBox.cs b/MultiTerm.Wpf.CustomControl/MultiFormatTextBox/MultiFormatTextBox.cs
index 8c97f12..626ea8f 100644
--- a/MultiTerm.Wpf.CustomControl/MultiFormatTextBox/MultiFormatTextBox.cs
+++ b/MultiTerm.Wpf.CustomControl/MultiFormatTextBox/MultiFormatTextBox.cs
@@ -114,6 +114,7 @@ public class MultiFormatTextBox : Control
             this.richTextBox.PreviewKeyDown += RichTextBox_KeyDown;
             this.richTextBox.PreviewTextInput += RichTextBox_PreviewTextInput;
             this.richTextBox.SelectionChanged += RichTextBox_SelectionChanged;
+            DataObject.AddPastingHandler(this.richTextBox, OnRtbPaste);
         }
         else
         {
@@ -352,6 +353,24 @@ public class MultiFormatTextBox : Control
         this.InsertCharacterAtCaretPositionIntoCurrentMultiFormatString(e.Text);
     }
 
+    private void OnRtbPaste(object sender, DataObjectPastingEventArgs e)
+    {
+        // get pasted data
+        if (e.DataObject.GetDataPresent(typeof(string)))
+        {
+            // get data as string
+            var text = (string)e.DataObject.GetData(typeof(string));
+            // insert each character seperately
+            foreach (var character in text)
+            {
+                this.InsertCharacterAtCaretPositionIntoCurrentMultiFormatString(character.ToString());
+            }
+        }
+
+        // cancel pasting
+        e.CancelCommand();
+    }
+
     private void InsertCharacterAtCaretPositionIntoCurrentMultiFormatString(string text)
     {
         var caretPosition = this.GetRtbCaretPosition();