The handle of the first focusable control among kids, searched depth-first.
A control is focusable when it is a tab stop and currently visible and
enabled. Non-tab-stop containers (such as a Panel) are descended into, so a
control nested inside one is still found — without this, initial focus could
land on the bare window and leave keyboard and screen-reader users stranded.
The handle of the first focusable control among kids, searched depth-first.
A control is focusable when it is a tab stop and currently visible and enabled. Non-tab-stop containers (such as a Panel) are descended into, so a control nested inside one is still found — without this, initial focus could land on the bare window and leave keyboard and screen-reader users stranded.