SetFocus

Function Name c:<CONTROL-NAME>#OnSetFocus
Syntax   (defun c:<CONTROL-NAME>#OnSetFocus (/)
)
Return Type Ignored
Applies To Block List, Block View, DWG List, DWG Preview, Grid, Hatch, Image Combo Box, List Box, List View, Option List, Picture Box, Slide View, Text Box, Tree

当控件接收到输入焦点时触发此事件。