private void SetSizeClear(int cu) {
if (cu <= 1) {
this._iuLast = 0;
this._uSmall = 0;
}
else {
if (!this._fWritable || (this._rgu.Length < cu)) {
this._rgu = new uint[cu];
this._fWritable = true;
}
else {
Array.Clear(this._rgu, 0, cu);
}
this._iuLast = cu - 1;
}
}