BorlandTalk.com Borland discussion newsgroups   Archives   FAQ   Search   Memberlist   Usergroups   Register   Profile   Log in to check your private messages   Log in  Drawing Shapes          BorlandTalk.com Forum Index -> C++ Builder (Graphics) View previous topic :: View next topic   Author Message Jake Guest Posted: Sat Jan 03, 2004 6:14 am    Post subject: Drawing Shapes Hi, I need to draw a rectangle on a form that is to be drawn once and will remain when an application opens on top of it. ie the rectangle will not have to be refreshed. I tried using the canvas->Rectangle but when another application is opened and closed the rectangle is gone ie the form will need to be refreshed. Jake Back to top Hans Galema Guest Posted: Sun Jan 04, 2004 10:38 am    Post subject: Re: Drawing Shapes Jake wrote: Quote: I need to draw a rectangle on a form that is to be drawn once and will remain when an application opens on top of it. ie the rectangle will not have to be refreshed. But, if you placed that drawing code in the FormPaint() event it would be repainted when needed. Quote: I tried using the canvas->Rectangle but when another application is opened and closed the rectangle is gone ie the form will need to be refreshed. Yes, that is normal behaviour. If you really only want to draw once you could use a TImage and draw once on it. Hans. Back to top Jake Guest Posted: Thu Jan 08, 2004 5:53 am    Post subject: Re: Drawing Shapes Hi, Thanks Hans for your advise. How does one place the drawing code in the FormPaint()event? Jake "Hans Galema" <dontusethis (AT) dontusethis (DOT) nl> wrote Quote: Jake wrote: I need to draw a rectangle on a form that is to be drawn once and will remain when an application opens on top of it. ie the rectangle will not have to be refreshed. But, if you placed that drawing code in the FormPaint() event it would be repainted when needed. I tried using the canvas->Rectangle but when another application is opened and closed the rectangle is gone ie the form will need to be refreshed. Yes, that is normal behaviour. If you really only want to draw once you could use a TImage and draw once on it. Hans. 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