Appdesigner textbox: is there a way to do multiple lines like for step 1, step 2, etc..?

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Aaron Kurlantzick 2019-11-26

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评论： Aaron Kurlantzick 2019-11-27

I'm trying to get a help textbox working for my app, but I'm having difficulty with the string. Currently I have this:

d = dialog('position', [200 500 300 300], 'Name', 'Help');

txt = uicontrol('Parent',d,'Style','text','HorizontalAlignment','left','Position', [20 200 280 40], 'String', 'Co is the concentration of alcohol taken into the system (g/L), k is the rate constant of gastric emptying (L/hour), ka is the rate of absorbance by the blood (L/hour), a is the constant for feedback control (g^2/hour^2), Vm is the maximum velocity (g/L/hour), Km is the Michaelis—Menten reaction constant (g/L)');

This makes a string that wraps to the second line, but stops at 'a is the constant...'

Is there a way to go make separate lines or just someway to have the whole string display?

Any help would be appreciated.

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Answer 1

Ankit 2019-11-27

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Hi Aaron,

by changing the position property (position: [left bottom width height]) you can fit your complete text.

d = dialog('position', [200 500 300 300], 'Name', 'Help');
txt = uicontrol('Parent',d,'Style','text','HorizontalAlignment','left','Position', [20 100 280 100],...
                'String', 'Co is the concentration of alcohol taken into the system (g/L), k is the rate constant of gastric emptying (L/hour), ka is the rate of absorbance by the blood (L/hour), a is the constant for feedback control (g^2/hour^2), Vm is the maximum velocity (g/L/hour), Km is the Michaelis—Menten reaction constant (g/L)');   

or using 'Units': 'normalized'

 d = dialog('position', [200 500 300 300], 'Name', 'Help');
txt = uicontrol('Parent',d,'Units','normalized','Style','text','HorizontalAlignment','left','Position', [0 0 1 1],...
                'String', 'Co is the concentration of alcohol taken into the system (g/L), k is the rate constant of gastric emptying (L/hour), ka is the rate of absorbance by the blood (L/hour), a is the constant for feedback control (g^2/hour^2), Vm is the maximum velocity (g/L/hour), Km is the Michaelis—Menten reaction constant (g/L)');               

But I would prefer the solution provided in the below link:

https://stackoverflow.com/questions/55660254/how-to-wrap-text-in-a-label-using-matlabs-app-designer

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Aaron Kurlantzick 2019-11-27

Thank you for the quick reply. I actually ended up figuring out the position properties that would fit the text about an hour after posting, and it is similar to the first method you discuss.

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