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Fix NullReferenceException in BorderText_SizeChanged for message templates #8

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Fix NullReferenceException in BorderText_SizeChanged for message templates #8

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Copilot Jul 2, 2025
7d522fd
Fix NullReferenceException in message item templates
Copilot Jul 2, 2025
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4 changes: 4 additions & 0 deletions ChatGPT/Views/Templates/BotMessageItemTemplate.xaml.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -24,6 +24,10 @@ private void BorderText_SizeChanged(object sender, EventArgs e)
{
var borderText = (Border)sender;

// Prevent NullReferenceException if _parentGrid hasn't been initialized yet
if (_parentGrid == null)
return;

var widthMaxBorderText = _parentGrid.Width - 45;

if (borderText.Width > widthMaxBorderText)
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4 changes: 4 additions & 0 deletions ChatGPT/Views/Templates/UserMessageItemTemplate.xaml.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -24,6 +24,10 @@ private void BorderText_SizeChanged(object sender, EventArgs e)
{
var borderText = (Border)sender;

// Prevent NullReferenceException if _parentGrid hasn't been initialized yet
if (_parentGrid == null)
return;

var widthMaxBorderText = _parentGrid.Width - 45;

if (borderText.Width > widthMaxBorderText)
Expand Down