Question

VB6(visual basic 6.0)程序求注释1，谢谢

Option Explicit

Const Q_LAST = 1
Const Q_BID = 2
Const Q_ASK = 3
Const Q_CHG = 4
Const Q_LAST_SZ = 5
Const Q_BID_SZ = 6
Const Q_ASK_SZ = 7
Const Q_HIGH = 8
Const Q_LOW = 9
Const Q_OPEN = 10
Const Q_CLOSE = 11
Const Q_VOL = 12
Const Q_PERC_CHG = 13
Const Q_LAST_TIME = 14

Dim strLastTopic As String
Dim strLastField As String

Answer 1

Option Explicit '要求变量必须显式声明

Const Q_LAST = 1
Const Q_BID = 2
Const Q_ASK = 3
Const Q_CHG = 4
Const Q_LAST_SZ = 5
Const Q_BID_SZ = 6
Const Q_ASK_SZ = 7
Const Q_HIGH = 8
Const Q_LOW = 9
Const Q_OPEN = 10
Const Q_CLOSE = 11
Const Q_VOL = 12
Const Q_PERC_CHG = 13
Const Q_LAST_TIME = 14
'以上十四句是声明了十四个常量
Dim strLastTopic As String '声明字符变量strLastTopic ,从字面猜测估计是上一个标题
Dim strLastField As String '声明字符变量strLastField ,从字面猜测估计是上一个字段

Answer 2

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Answer 3

Q_LAST ~Q_LAST_TIME 都市软件定义的常数，没什么好解释的。
Dim strLastTopic As String
Dim strLastField As String两个字符串变量