请教各位：帮我看看问题出在哪？

dxwwangyan

<P>我定义一个按钮，CALLBACK回调函数为pushapply()，具体代码如下：<BR>function open()<BR>global FileName;<BR>[FileName,PathName]=uigetfile(...<BR>{'*.bmp;*.jpg;*.tif;*.png','IMAGE Files (*.bmp,*.jpg,*.tif,*.png)';<BR>   '*.bmp','Bitmap (*.bmp)'; ...<BR>   '*.jpg','Joint Photographic Experts Group (*.jpg)'; ...<BR>   '*.tif','Tagged Image files (*.tif)'; ...<BR>   '*.png','Portable Network Graphics (*.png)'; ...<BR>   '*.*','All Files (*.*)'},...<BR>   'file Selector','')<BR><BR>    h_axes=axes('position',[0.05,0.15,0.45,0.70],'visible','on'); <BR>    imshow(FileName)<BR><BR>h1 = uicontrol(gcf, ... <BR>'style','pushbutton',...<BR>'Callback',['pushapply(FileName)'], ... <BR>'Position',[0.8 0.12 0.12 0.1], ... <BR>'String','Apply', ... <BR>'Tag','Pushapply'); <BR><BR>函数pushapply如下：<BR><BR>function pushapply(FileName)<BR><BR>x1=imread(FileName);<BR>figure,imshow(x1)<BR><BR>运行时出现下面的错误：<BR><BR>??? Undefined function or variable 'FileName'.</P>
<P>??? Error while evaluating uicontrol Callback.<BR><BR>请大家帮我看看这是怎么回事，谢谢了！<BR></P>

happy

我这里运行没问题啊<BR><BR>是两个m文件吗？是都在工作目录下吗？

dxwwangyan

<P>是两个M文件，都在工作目录下。那是怎么回事啊</P>

yxn2000

顶拉[em07]

happy

<DIV class=quote><B>以下是引用<I>dxwwangyan</I>在2006-3-30 19:44:54的发言：</B><BR>
<P>是两个M文件，都在工作目录下。那是怎么回事啊</P></DIV>
<br>那真是奇怪了，没碰到过