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private void Form1_KeyDown(object sender, KeyEventArgs e)
{
switch (e.KeyCode)
{
case Keys.Left:
case Keys.Right:
//..
}
}
protected override bool ProcessCmdKey(ref Message msg, Keys e)
{
if (e == Keys.Up || e == Keys.Down || e == Keys.Left || e == Keys.Right)
{
//...
}
return true;
}