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How to pull edit box string from uicontrol

14 次查看（过去 30 天）
Meaghan
Meaghan 2013-5-30
回答： LO 2019-5-31
Hi all,
Having trouble getting the program to recognize the text entered by the user. It reads as empty because that is what is first called. Tried using callback, but it gets messy when the uicontrol needs to be defined in the callback value and the callback value needs to be defined in the uicontrol.
Here's what I have:
[~, ~, read] = xlsread('C:\Users\mpaulosk\Desktop\Folder\prelim_gui.xls','Sheet1');
paramtext = vertcat(read(2,1))
descriptext = vertcat(read(2,2))
descripedit = vertcat(read(3,2));
paramedit = vertcat(read(8,1));
paramtext = uicontrol('Style', 'text', 'String', descriptext,...
'Position', [100 350 100 40]);
test = uicontrol ('Style', 'text', 'String', descripedit,...
'Position', [100 295 100 40]);
paramedit = uicontrol('Style', 'edit', ...
'Position', [200 375 100 20]);
edittest = uicontrol('Style', 'edit', ...
'Position', [200 320 100 20], 'Callback','helppppppp')
I can explain further if not clear. Thanks!

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采纳的回答

Walter Roberson
Walter Roberson 2013-5-30
edittest = uicontrol('Style', 'edit', ...
'Position', [200 320 100 20], 'Callback', @helppppppp);
Then
function helppppppp(hObject, event)
current_string = get(hObject, 'String');
Now that you have it, what do you want to do with it?
http://matlab.wikia.com/wiki/FAQ#How_can_I_share_data_between_callback_functions_in_my_GUI.3F
  1 个评论
Meaghan
Meaghan 2013-5-30
Thank you!! I got it to work, now I'm writing it to another excel file, but I'm better with that.
Thanks again!

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更多回答（2 个）

Andrew Lanman
Andrew Lanman 2018-8-31
@Walter Roberson Thank you, been looking for a solution to this issue for over a week now.
LO
LO 2019-5-31
as an alternative, instead of using an external function
you could type
edittest = uicontrol('Style', 'edit', 'Position', [200 320 100 20], 'Callback', 'val=ea.String;');
with the edited text stored in "val". If you want to save the string as number just use val=str2num(ea.String).

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