public void _PreviewKeyDown(object sender, PreviewKeyDownEventArgs e)
{
if (ForeColor == Color.Red)
{
try {
string txt = (KeyEventUtility.GetCharFromKey(KeyInterop.KeyFromVirtualKey(e.KeyValue)) + "").ToUpper();
if (String.IsNullOrEmpty(txt) || String.IsNullOrWhiteSpace(txt))
{
txt = "null";
}
_keys[MyPosition()] = txt;
this.Text = _keys[MyPosition()];
} catch { }
save();
ForeColor = Color.Black;
LoseFocus();
}
}
private void Form1_KeyUp(object sender, KeyEventArgs e)
{
char c = (KeyEventUtility.GetCharFromKey(KeyInterop.KeyFromVirtualKey(e.KeyValue)) + "").ToUpper()[0];
keys[(int)c] = false;
}