文本框 contructor事件:
BackColor = 2^29
定义变量:
boolean ib_painting
新增自定义事件ue_paint 事件ID(pbm_paint):
if IsValid(This) then
if ib_painting then
Return 0
ib_painting = True
Visible = False
Do While Yield()
Loop
Visible = True
ib_painting = False
end if
Return 0