pbm_custom01对应windows的 WM_USER
WM_USER =1024
用户自定义事件
User-Defined Event PowerBuilder Event ID
WM_USER pbm_custom01
. .
. .
WM_USER + 74 pbm_custom75
WM_USER =1024
用户自定义事件
User-Defined Event PowerBuilder Event ID
WM_USER pbm_custom01
. .
. .
WM_USER + 74 pbm_custom75