vclskin的help中的内容：
Skin 3rd controls
Vclskin support 3rd control easily, just add control class name in TSkinData.skin3rd property
TSkindata.skin3rd support controls include Edit, Checkbox, Radiobutton, Combobox, Panel, Radiogroup, Checkgroup, Buton, Bitbtn, Speedbutton, Tab, Progress, Trackbar, Scrollbar, Embedscrollbar.
Embedscrollbar is to skin control which scrollbar is TScrollbar embed in it. like TAdvMemo .
TSkindata.skin3rd example code
TDBCheckboxEh=Checkbox
TDBLookupCombobox=Combobox
TLMDCheckGroup=CheckGroup
TLMDRadioGroup=RadioGroup
TLMDRadiobutton=Radiobutton
TLMDGROUPBOX=Panel
TLMDEDIT=Edit
if there is 3rd checkbox that vclskindo
n't support , you just add one line in TSkindata.skin3rd
Class_name_checkbox=checkbox
