First draw() the Button, then surround it by squared brackets, place the cursor under the first character of Button's text and wait for user entry.<br />

When user hits a key, if the key is ENTER_KEY or SPACE, return C_BUTTON_HIT (defined in cuigh.h) otherwise return the entered key.<br />

<big><syntaxhighlight lang="cpp">

Then allocate new memory to the size of content of str and copy the content into it and make

Field's _data point to it.

==CValEdit==