原文自http://bbs.csdn.net/topics/20421621。
PrivateDeclareFunctiongetwindowlongLib"user32"Alias"getwindowlongA"(ByValhWndAsLong,ByValnIndexAsLong)AsLong
PrivateDeclareFunctionSetwindowLongLib"user32"Alias"SetwindowLongA"(ByValhWndAsLong,ByValnIndexAsLong,ByValdwNewLongAsLong)AsLong
PrivateConstGWL_STYLE=(-16)
PrivateConstBS_LEFTAsLong=&H100&
PrivateSubForm_Load()
DimTempLngAsLong
TempLng=getwindowlong(Command1.hWnd,GWL_STYLE)
TempLng=TempLngOrBS_LEFT
SetwindowLongCommand1.hWnd,GWL_STYLE,TempLng
EndSub