adudley

hi all i need a little help, i am working on a project and i need to make a label move accross the screen and back again once it come to the end of the open form.

any help on this would be appriciated

a dudley

DaWei

Hey, you can invent the marquee, then maybe the BLINK tag .

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adudley

what i have to do is try to use cos and sin to make this thing work, so all i am after is the basoc raw code so i can manipulate it

any help is always appriciated

a dudley

crawforddavid2006

use a clock or timer i cant remember exactly what its called but then use something like this

Ooble

Crawford's almost there - you need to alter the Left property of the Label. Create a Timer control, set the interval to something low (like 10 - it's measured in milliseconds), double-click on it, and put this in:
That will move the label to the left by one pixel roughly once every ten milliseconds. Play with the values to get the right speed and smoothness.

You'll also need to move the label when it goes off the screen - I'll let you figure that one out.

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crawforddavid2006

Its been a while since I've used visual basic (1 yr to be exact).

adudley

no disrepect but thats really helpful

DaWei

Prolly not yer wisest move to say so, disrespect intended or not. His post was helpful, if incomplete, and your respondents aren't exactly tearing down the walls.

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Rory

You mentioned Sine so I guess you're trying to achieve a smooth bounce effect or similar. May I suggest you use the GDI APIs or DirectDraw, as even with double buffering (AutoRedraw), the native VB graphical methods won't get you a decent enough refresh rate.

melbolt

if you're just going with a simple approach to this, just check to see when the furthest left pixel of your object you are scrolling hits the right edge of the window and then send it back to the starting point again.

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