[DJMaze]

Put all checkboxes in a TList and run thru it.

TList checkboxes = new TList()
TCheckbox cb;
for (int i=0; i<10; ++i) {
    cb = new TCheckBox();
    checkboxes->ad(cb);
}

for (int i=0; i<10; ++i) {
    cb = (TCheckBox)checkboxes->get(i);
    cb->Checked = true;
}