Double click in empty TextBox raises ArgumentOutOfRangeException

[bluepanter]

Do you want to request a feature or report a bug?
bug

What is the current behavior?
On double click into the empty commit message text box raises an ArgumentOutOfRangeException

If the current behavior is a bug, please provide the steps to reproduce and if possible a minimal demo of the problem.
Open Repository -> Click "Commit" -> Double click into the Commit message text box

What is the expected behavior?
Do nothing

Environment you encounter the issue:

• Git Extensions 3.00.00.4433
• Build fca7cf2
• Git 2.20.0.windows.1
• Microsoft Windows NT 10.0.17134.0
• .NET Framework 4.7.3221.0
• DPI 96dpi (no scaling)

Did this work in previous version of GitExtensions (which)?
I don't know.

[gerhardol]

reproduceable
Added to 3.01.00 milestone, could be considered for 3.00.01 too - if reasonable correction

   at System.Windows.Forms.TextBoxBase.Select(Int32 start, Int32 length)
   at GitUI.SpellChecker.EditNetSpell.TextBox_DoubleClick(Object sender, EventArgs e)
   at System.Windows.Forms.Control.OnDoubleClick(EventArgs e)
   at System.Windows.Forms.TextBoxBase.OnMouseUp(MouseEventArgs mevent)
   at System.Windows.Forms.Control.WmMouseUp(Message& m, MouseButtons button, Int32 clicks)
   at System.Windows.Forms.Control.WndProc(Message& m)
   at System.Windows.Forms.RichTextBox.WndProc(Message& m)
   at System.Windows.Forms.NativeWindow.Callback(IntPtr hWnd, Int32 msg, IntPtr wparam, IntPtr lparam)

[vbjay]

On it.