Larry Zhang escreveu: > > Hello all > > I find it strange when I try to add some display object in Flex > Canvas. This is the situation > > First, I have an Image named “img1” in a.mxml which is a Canvas; I > name it “ca”. Then I send the img1 out by some function to another > Canvas b.mxml; I name it “cb”. After I added the img1 to cb by > *cb.addChild(img1)*, I found the image showed up in cb but disappeared > in ca. Then I use *ca.contains(img1)* to check if ca still has the > img1, it returned *true*. But, where the img1 in ca went? > > Can anybody help me with the strange problem? > > Thanks very much. > > ============================== > > Make Every Day Count > > Larry Zhang > > > > __________ NOD32 2755 (20071229) Information __________ > > This message was checked by NOD32 antivirus system. > http://www.eset.com I run into the same issue before. Variables in Flex are passed by reference, not by value. If you do something like fooFunction(fooVar) you'r just passing a reference to the content of fooVar. In order to add the same component to different containers you have to make a clone, or in your case it's easier to just have the source of img1 as a parameter and create another Image with the same source.
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