关于IF语句 (50分)

N

nfy

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• 2004-04-21

• #1

if 语句可以这么写吗
if CheckBox1.State=cbChecked and CheckBox2.State=cbChecked and CheckBox3.State=cbChecked then

 

L

lht123

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GUEST, unregistred user!

• 2004-04-21

• #2

可以这么写

 

J

jackchin

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GUEST, unregistred user!

• 2004-04-21

• #3

if (CheckBox1.State=cbChecked) and (CheckBox2.State=cbChecked) and (CheckBox3.State=cbChecked) then

或
if CheckBox1.Checked and CheckBox2.Checked and CheckBox3.Checked then

 

S

sqycyl

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GUEST, unregistred user!

• 2004-04-21

• #4

对啦,每一个关系式要使用()括号的!

 

N

nfy

Unregistered / Unconfirmed

GUEST, unregistred user!

• 2004-04-21

• #5

但为何编译不能通过啊
[Error] SQL.pas(52): Operator not applicable to this operand type

 

风

风林坡

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• 2004-04-21

• #6

if (CheckBox1.State=cbChecked) and (CheckBox2.State=cbChecked) and (CheckBox3.State=cbChecked) then

 

J

jackchin

Unregistered / Unconfirmed

GUEST, unregistred user!

• 2004-04-21

• #7

Pascal 的表达式, and 优先于 =
if CheckBox1.State=cbChecked and CheckBox2.State=cbChecked and CheckBox3.State=cbChecked then
首先解释 cbChecked and CheckBox2.State, 就通不过

 

N

nfy

Unregistered / Unconfirmed

GUEST, unregistred user!

• 2004-04-21

• #8

原来这么简单啊