I need to open a text file with ~4MB in a RichTextBox, but the end of the text was "trimmed".
How do I override a RichTextBox.MaxLength Int32 limit?
I'm not sure how much text RichTextBox can handle, but I believe MaxLength only applies to text the user enters. If you set .Text directly it should be able to go past MaxLength, unless MaxLength is already at the maximum.