how to create multiple events at the same time ?

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My project reads data representing music notes, and the music notes ~~are read parallel~~ can be chords (two notes at same time).

I need to show ~~button~~ keys being pressed on a ~~piano keyboard~~ graphic user interface that looks like a piano keyboard ~~press at same time~~ , that correspond to the notes.

So, at one time, how can I trigger multiple events to make the keys look pressed ?

~~Please help me?~~ Thanks for your help !

Posted 17-Sep-11 7:22am

shadiabusamra

Updated 18-Sep-11 2:41am

BillWoodruff

v5

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Smithers-Jones 17-Sep-11 14:02pm

Help with what? You haven't asked a specific question, only described what your project should do.

Herman<T>.Instance 17-Sep-11 14:21pm

read about delegates and events

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BillWoodruff · Answer 1 · 2011-09-17T21:38:00

Are you saying: you have a user-interface that simulates a Piano keyboard, and you want to read some file and then show, graphically, in the UI, the notes being "held" which would 'mirror' the 'chord' read in the file ?

If that's the case, you don't want to be using Buttons, but bit-maps, imho.

You need to make this question much more specific. Are you using a touch-screen device here, or do you have a midi-keyboard actually connected here ?