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-rw-r--r--Juick/Controls/HyperLinkRichTextBox.cs1
1 files changed, 1 insertions, 0 deletions
diff --git a/Juick/Controls/HyperLinkRichTextBox.cs b/Juick/Controls/HyperLinkRichTextBox.cs
index 6ec6883..29b44c9 100644
--- a/Juick/Controls/HyperLinkRichTextBox.cs
+++ b/Juick/Controls/HyperLinkRichTextBox.cs
@@ -27,6 +27,7 @@ namespace Juick.Controls
{
var richTextBox = (HyperLinkRichTextBox)dependencyObject;
var stringValue = (string)dependencyPropertyChangedEventArgs.NewValue;
+ if (string.IsNullOrEmpty(stringValue)) return;
var paragraph = new Paragraph();
var index = 0;