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Java Forum / General / June 2007monitoring the taskbar in windows
Hi friends Is there a bulit in class that can directly control the open aplications in windows?. i,e. it can find out which programs are open and minimise and maximise them, or even close them. i am developing a java program that controls other programs in windows, but to do this i need 2 things 1. a way to control the mouse and keyboard, i have found the class ROBOT and this could control the windows as neccisary because ROBOT directly controls the mouse and keyboard strokes. 2. i need a way to get information back from the other open programs, i was thinking of print screen but that is a real mission,.. it would be ideal to read the screen shot directly from the memory without having to maximise or minimise the window. Does Such A Class Exist?!? Thanx > Hi friends My friends do not multi-post. > Is there a bulit in class .. Please refrain from multi-posting, in future. <http://www.physci.org/codes/javafaq.html#xpost> (X-post to c.l.j.p./h., w/ f-u to c.l.j.h. only) > > Hi friends > [quoted text clipped - 6 lines] > > (X-post to c.l.j.p./h., w/ f-u to c.l.j.h. only) I don't see an answer to the OP's question in here, though it looks to me like it would likely be "no", with JNI or a third-party, platform- specific component needed to accomplish his goals. I also don't see any evidence that the OP multi-posted anything. Nor is that surprising, since unlike cross-posting it wouldn't show up in the message headers at all. >> > Hi friends ... >> (X-post to c.l.j.p./h., w/ f-u to c.l.j.h. only) > >I don't see an answer to the OP's question in here, .. Good call. I would never impart technical information to a multi-poster, until the matter of multi-posting had been resolved to my satisfaction. >I also don't see any evidence that the OP multi-posted anything. Nor >is that surprising, since unlike cross-posting it wouldn't show up in >the message headers at all. No, it wouldn't. I have a number of ways of telling that a message has been multi-posted, the most obvious one is seeing identical posts from one person, that are not cross-posted. When that happens, I check the poster's 'profile' in GG to see something like.. <http://groups.google.com/groups/profile?enc_user=ss4TyhAAAABbiru06bwTnrkElcCaZZqb (Posts separated by one minute) That is evidence enough, for me. OTOH The OP can cut in and explain any misunderstanding on my part, at any moment they wish.  SignatureAndrew Thompson http://www.athompson.info/andrew/ [snip] The OP came to comp.lang.java.programmer asking for advice on Java, not for advice on netiquette, nor did they ask to be net.stalked and their posting history examined and criticized in public. Your response was completely off-topic in this group. My subsequent post contained an on-topic portion, and your further response was again totally off- topic. So far, it is you who seem to be the worse one at netiquette, as viewed from where I am. One (if we believe you, two or more) on-topic posts by him; at least two off-topic posts by you. (And now one off- topic post by me, after a lengthy history of on-topic posts. :P) ... >So far, it is you who seem to be the worse one at netiquette, as >viewed from where I am. ... Feel free to crawl out from under your rock, any time you like. SignatureAndrew Thompson http://www.athompson.info/andrew/ > .. > [quoted text clipped - 8 lines] > > Message posted via JavaKB.comhttp://www.javakb.com/Uwe/Forums.aspx/java-general/200706/1 hey Andrew Thompson and Twisted I am new to this forum thing, i did "multi-post" but i did it only on 2 sperate groups, i spent quite some time frasing my question and if a where to rewrite it,it would not have been better than my first attempt, im sorry this offended you,, i wont do it again now that i know its a no no. besides its not like i joined 30 groups and posted the same message i would still apreciate some help but if you still dont want to help me i understand ... >I am new to this forum thing, i did "multi-post" but i did it only on >2 sperate groups, i >spent quite some time frasing my question and if a where to rewrite >it,it would not have >been better than my first attempt, im sorry this offended you,, It did not offend me. Don't sweat it. >...i wont do it again Note that it is OK (with most people) to *cross*-post messages between two groups. Read that first link I put, it explains the difference, and why most people do not like multi-posting. Here is the link again <http://www.physci.org/codes/javafaq.html#xpost> >now that i know its a no no. Cool. But be aware you can achieve much the same effect, without the sidetracking comments, by cross-posting. ... >i would still apreciate some help ... FWIW (For what it's worth) your original speculations about the Robot, combined with Twisted's comment on JNI, pretty much sum it up. I (for one) know of no other ways you might achieve the desired goal. I will add though, in case you had not already realised, that Java is not a language well suited to these 'delve into the guts of the OS' type problems. Robot is very kludgy and fragile for this type of problem. JNI is platform specific, so most of the code will be.. something non Java, called by a thin Java layer. SignatureAndrew Thompson http://www.athompson.info/andrew/ > Robot is very kludgy and fragile for this type of problem. > JNI is platform specific, so most of the code will be.. > something non Java, called by a thin Java layer. thats intersting,.. OS <--> java <--> Mathematica i was thinking of using java as a bridge to get info about the system that mathematica could not get and then pass the info to mathematica to use in its process, So, if java will not be adequate, do you know which programming language would be a good bet to check out, This would be much better than doing my other alternative,.. which was print screen and then analysing the text and the boxes in the task bar using the haar wavelet, but this would be too expensive for the simple task i need. > print screen and then analysing the text and the boxes in the > task bar using the haar wavelet, but this would be too expensive > for the simple task i need. Maybe so, but what an extremely cool idea! Do you have any algorithms or code you'd care to share on that approach? SignatureLew > Do you have any algorithms or code you'd care to share on that approach? i will make a new thread, because this is a bit off topic on the current thread > > Do you have any algorithms or code you'd care to share on that approach? > > i will make a new thread, because this is a bit off topic on the > current thread Text image analysis with the haar wavelet---> check it out when im done >> Robot is very kludgy and fragile for this type of problem. >> JNI is platform specific, so most of the code will be.. [quoted text clipped - 11 lines] > language > would be a good bet to check out, Try using MVC, MVC++, or MVB. I'm not an expert on the Windows API, but there should be some down-and-dirty stuff to grab process information and dispatch events to open applications. Java is a poor choice to use a bridge between high-level applications and OS information because Java is explicitly designed to wash away the OS information as much as possible. A much better choice would be to use languages closer to the OS; C (or sometimes C++) is preferred because that is what most OS's are written in. Free MagazinesGet these publications absolutely FREE for up to 12 months. There are no hidden fees and no obligation. Simply choose a title, complete the application form and submit it. Read more ...
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