How to append lines to an existing MessageBox

Hello, my output is written on a msgbox. Later in the program I need to append some more output lines. How can i perform this? Thank you

Answer 1

[Ramnarayan Krishnamurthy]

The following is a possible approach to append messages in the msgbox after its creation.

% Create a message box
h = msgbox('Hi');

% Set the size of the msgbox to accommodate more lines
set(h,'units','normalized' ,'position', [0.5 0.5 0.2 0.2])

% Find the text in the msgbox using the tag to identify the msgbox
a = findobj(h,'Tag','MessageBox')

% Append lines below
a.String{end+1} = 'Line 1 Added';
a.String{end+1} = 'Line 2 Added';

% Add extra text in the same line
a.String{end} = a.String{end}+" "+ "More text..."

To include a variable in the message box, the link below may help:

https://www.mathworks.com/matlabcentral/answers/85834-how-can-i-display-a-variable-in-a-text-string-inside-a-message-box