怎样判定一个variant变量是否为UnAssigned?(20分)

Y

yayiye

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GUEST, unregistred user!

• 2002-07-29

• #1

怎样判定一个variant变量是否为UnAssigned?[]

 

S

svw0506

Unregistered / Unconfirmed

GUEST, unregistred user!

• 2002-07-29

• #2

if Assigned(YouVariant)=nil then
//do ....

 

Y

yayiye

Unregistered / Unconfirmed

GUEST, unregistred user!

• 2002-07-29

• #3

to svw0506 兄
Assigned(YouVariant)编译出错"imcopitable types"

 

Y

yc-zhj

Unregistered / Unconfirmed

GUEST, unregistred user!

• 2002-07-29

• #4

用varempty

 

Y

yayiye

Unregistered / Unconfirmed

GUEST, unregistred user!

• 2003-03-19

• #5

e

 

Y

yayiye

Unregistered / Unconfirmed

GUEST, unregistred user!

• 2003-03-24

• #6

多人接受答案了。