private void btnUp_Click(object sender, System.EventArgs e)
{
if (this.lbItems.SelectedIndex == -1 || this.lbItems.SelectedIndex == 0)
return;
Object select, previous, temp;
select = lbItems.Items[lbItems.SelectedIndex];
previous = lbItems.Items[lbItems.SelectedIndex-1];
temp = select;
select = previous;
previous = temp;
lbItems.Items[lbItems.SelectedIndex] = select;
lbItems.Items[lbItems.SelectedIndex-1] = previous;
lbItems.SelectedIndex--;
}
private void btnDown_Click(object sender, System.EventArgs e)
{
if (this.lbItems.SelectedIndex == -1 || this.lbItems.SelectedIndex == lbItems.Items.Count-1)
return;
Object select, next, temp;
select = lbItems.Items[lbItems.SelectedIndex];
next = lbItems.Items[lbItems.SelectedIndex+1];
temp = select;
select = next;
next = temp;
lbItems.Items[lbItems.SelectedIndex] = select;
lbItems.Items[lbItems.SelectedIndex+1] = next;
lbItems.SelectedIndex++;
}
задан sebastian 14 March 2019 в 10:52
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