Check edit text for a symbol
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Mahmoud Elshazly
el 11 de Oct. de 2019
Respondida: Adam Danz
el 11 de Oct. de 2019
Hello there,
I'm making a GUI for Compressible flow calculations in which i have 33 edit texts for all my variables. All the values pass through the algorithm and solve for each others (using knowns to get Unknowns). I want the user to be able to specify a certain unknown by typing "?" in editbox for which I can know that he only needs this value and represent it in a message box. How can I do the edit box check for "?" symbol in this case?
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Adam Danz
el 11 de Oct. de 2019
The "String" property of your editbox contains the content of the text. You can use strcmpi() to determine whether the text box contains a "?" or not. The solution below also uses strtrim() to get rid of any unintended empty spaces.
isUnknown = strcmpi(strtrim(handles.Textbox1.String),'?');
Where handles.Textbox1.String is the handle to your editbox.
isUnknown will be a logical true/false.
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