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.NET Forum / Languages / Managed C++ / October 2007Placing a Form on a particular Screen
I'm programming using MS VS VC++ 2008 Express (Beta 2) in /Cli pure mode. I've found the Screen class. With it I can very easily get the count and all the data on the various Screens attached to a system, whether it be a single screen or multiple screen system. I believe the FromControl method of the Screen class can be used to determine which Screen a Form is on. But I can't find how I can place or move a Form onto the Screen of my choice (in code). I looked in MSDN2.com. I can't find a Screen property in the Form class. I can't find something like a Form's list or an AddForm method in Screen. So I need help. [==Peter==] I might be close to an answer here, but I could use some confirmation. There is something called workingArea in the Screen class. I noticed in it that my right-screen is listed as having a Left and Right value corresponding to values as if it is an extension of my left-screen i.e., the right-screen Left equals the left-screen's Right, and the left-screen's Right is equal to the sum of the two screen's widths). So, does this mean if a Form is on the right-screen and I give it NEGATIVE X coordinates it will appear on the left-screen? Or that if a Form is on the left-screen and I give large enough X coordinates it will start to appear on the right-screen? If this is true, that means a form can be logically on one screen and visually on the other? That seems wrong somehow... Am I totally off base here? [==Peter==] > I'm programming using MS VS VC++ 2008 Express (Beta 2) in /Cli pure mode. > [quoted text clipped - 11 lines] > > [==Peter==] >I might be close to an answer here, but I could use some confirmation. > [quoted text clipped - 8 lines] > the left-screen and I give large enough X coordinates it will start to > appear on the right-screen? Yes. > If this is true, that means a form can be logically on one screen and > visually on the other? That seems wrong somehow... > > Am I totally off base here? Well, sort of. There is no "logically on one screen". There is a single coordinate system in which all screens are placed. If the left screen starts at X=0, and the right screen starts at X=1024, then if the Form is one the right screen it will have X >= 1024. To move to the left screen (or spanning the gap) you'd set X < 1024, not negative X. Hope this is what you needed to know. > [==Peter==] > [quoted text clipped - 13 lines] >> >> [==Peter==] Hey Ben, Yup! Just wanted to be sure before I wrote a lot of code. Thanx again!!! : ) [==Peter==] >>I might be close to an answer here, but I could use some confirmation. >> [quoted text clipped - 44 lines] >>> >>> [==Peter==]
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