以下消息与跟踪栏相关联。
尺寸和位置
TBM_GETCHANNELRECT
TBM_GETTHUMBLENGTH
TBM_GETTHUMBRECT
TBM_SETTHUMBLENGTH
滑块位置
行和页面大小
TBM_GETLINESIZE
TBM_GETPAGESIZE
TBM_SETLINESIZE
TBM_SETPAGESIZE
范围
TBM_GETRANGEMAX
TBM_GETRANGEMIN
TBM_SETRANGE
TBM_SETRANGEMAX
TBM_SETRANGEMIN
选择
TBM_CLEARSEL
TBM_GETSELEND
TBM_GETSELSTART
TBM_SETSEL
TBM_SETSELEND
TBM_SETSELSTART
勾号
TBM_CLEARTICS
TBM_GETNUMTICS
TBM_GETPTICS
TBM_GETTIC
TBM_GETTICPOS
TBM_SETTIC
TBM_SETTICFREQ
