Private
SubTest_Load()
Sub
Test_Load(
ByVal
sender
As
System.Object,
ByVal
e
As
System.EventArgs)
Handles
MyBase
.Load
Dim
str
As
String
=
_
"
中abc中国
"
'
123456stringcountofvb6
'
012345stringcountof.net
Label1.Text
=
""
'
left
Dim
leftStrVB
As
String
=
Microsoft.VisualBasic.Left(
str
,
5
)
Dim
leftStr
As
String
=
str
.Substring(
0
,
5
)
Label1.Text
&=
"
leftStrVBis
"
&
leftStrVB
&
vbCrLf
'
leftStrVBis中abc中
Label1.Text
&=
"
leftStris
"
&
leftStr
&
vbCrLf
'
leftStris中abc中
'
center
Dim
centerStrVB
As
String
=
Microsoft.VisualBasic.Mid(
str
,
2
,
4
)
Dim
centerStr
As
String
=
str
.Substring(
1
,
4
)
Label1.Text
&=
"
centerStrVBis
"
&
centerStrVB
&
vbCrLf
'
centerStrVBisabc中
Label1.Text
&=
"
centerStris
"
&
centerStr
&
vbCrLf
'
centerStrisabc中
'
right
Dim
rightStrVB
As
String
=
Microsoft.VisualBasic.Right(
str
,
5
)
Dim
rightStr
As
String
=
str
.Substring(
1
)
Label1.Text
&=
"
rightStrVBis
"
&
rightStrVB
&
vbCrLf
'
rightStrVBisabc中国
Label1.Text
&=
"
rightStris
"
&
rightStr
&
vbCrLf
'
rightStrisabc中国
EndSub