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the problem of callback function creating a control by uicontrol function

2 次查看（过去 30 天）
deng
deng 2016-8-7
关闭： MATLAB Answer Bot 2021-8-20
if true
% --- Executes on button press in pushbutton1.
function pushbutton1_Callback(hObject, eventdata, handles)
global aryData
scrsz = get(0,'ScreenSize') %获取显示器屏幕尺寸
f_size= [scrsz(3)/15 0.2*scrsz(4) 0.6*scrsz(3) 0.7*scrsz(4)]
hf=figure('Name','图1','Position',f_size);
set(hf,'NumberTitle','off') %隐藏数字标题即左上角的“Figure1,2..”
set(hf,'NumberTitle','on') %显示数字标题
set(hf,'Menubar','No') %隐藏菜单栏
set(hf,'Menubar','Figure')%显示菜单栏
hb = uicontrol(hf, 'style', 'pushbutton', ...
'units', 'normalized', ...
'position', [0.75,0.8,0.2,0.1], ...
'string', '对比',...
'Callback', @pbCompare);
%%%%-----------------------------------------
function pbCompare
global aryData
global totalTimes
msgbox('sucess')
disp 'sucess'
%%------------------------------------
end
pbCompare callback function cannot be performed. why? think you very muchu. email:dengshuaiqi@163.com

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回答（1 个）

Walter Roberson
Walter Roberson 2016-8-7
Callbacks must accept at least two arguments. They can ignore them but they must accept them. You can use varargin for this purpose.

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