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Disable Edit Text with Checkbox

5 次查看（过去 30 天）
Jan Lützenkirchen
Jan Lützenkirchen 2018-7-26
编辑： Adam Danz 2018-7-28
Hello Everybody, I need your Help. I build a GUI and I want to activate or deactivate a Edit Text Box with the Help of a Checkbox. The following is my Code for this Problem:
WN = get(handles.White_Noise,'Enable');
if WN == 'on'
set(handles.WN_per,'enable','on');
set_param('Physikalisches_Modell/Noise_Enable','Value',num2str(1));
else WN == 'off'
set(handles.WN_per,'enable','off');
set_param('Physikalisches_Modell/Noise_Enable','Value',num2str(0));
WN_per = 0;
end
White_Noise is the Checkbox, WN_per is the Edit Text. The Part, to activate the Edit Text Box works perfectly fine, but i cannot deactivate it with pressing it again.
There was another Topic for this Problem, where the User hat a similar Code and it worked, when he Startet the GUI with the Command Window. Unfortunatly, this is not the Solution.
Can anyone help me?
Tanks, Jan

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回答（1 个）

Adam Danz
Adam Danz 2018-7-26
编辑：Adam Danz 2018-7-26
For both conditionals, instead of
if WN == 'on'
use
if strcmp(WN, 'on')
See comments below. You want to condition on the 'Value' property, not the 'Enable'.
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Jan Lützenkirchen
Jan Lützenkirchen 2018-7-27
Thank you very much! Now that I know the Answer, its pretty obvious, that I mistake the handles I used.
I want to add, that the 'Value' gives a number, 0 or 1. So in the if-condition, i set
if WN == 1
....
else if WN == 0
....
end
Adam Danz
Adam Danz 2018-7-28
编辑：Adam Danz 2018-7-28
The value property is a logical. So all you need is
if WN
if ~WN

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