vbÒì³£´¦Àí
vbÖÐÔõÑùʵÏÖÏñvb.netÒì³£´¦Àí(try....Catch ex As Exception...end try)¹¦ÄÜ£¿
ÓÑÇé°ï¶¥
ÎÞ·ÇÊÇOn error Goto ºÍErr.NumberÅжϰÉ?
ÏëÓÃvb6.0ʵÏÖÒÔÏÂvb.netµÄ¹¦ÄÜ£º
dim str as string 'Õâ¸öÒ»¸öÓ¦ÓóÌÐò»òÕßÊÇÒ»¸öÍøÖ·
Try
System.Diagnostics.Process.Start(str)
Catch ex As Exception
MsgBox("·¾¶²»ÕýÈ·£¡")
End Try
Çë¸÷λ¿´¿´£¡
¿´Äã×¼±¸²¶×½µÄ´íÎóµÄµÈ¼¶ÁË.
ÆÕͨµÈ¼¶µÄ´íÎó¾ÍÈçÉÏÃæËù˵¼´¿ÉÒÔ.
Èç¹ûÊÇÄÚ´æ´íÎóÖ®ÀàVB±£Ä·Ò²Ã»°ì·¨µÄ´íÎó,ÐèҪʹÓÃSEHÀ´²¶×½.
ÊÇÆÕͨµÈ¼¶µÄ´íÎó£¡Äܲ»ÄÜд³ö´úÂ룿
aaa:
On Error Resume Next
'ÕâÀïдÈÝÒ׳ö´íµÄ´úÂë
bbb=MsgBox("³öÏÖ´íÎó,ÏëÔÙÀ´Ò»´Îô?",VbExclamation + VbRetryCancel,"´íÎó")
if bbb=VbRetry Then Goto aaa:
on error goto errH
'Öмä´úÂë¿é
exit sub '»òfunction
errH:
select case err.number
case 11
msgbox "³ýÊýΪÁã."
case xxxxx 'ÆäËüÀàÐ͵ĴíÎó
'ÏàÓ¦´¦Àí´úÂë
case else 'ËùÓÐδ´¦ÀíµÄ´íÎó
'ÏàÓ¦´¦Àí´úÂë
end select
.netµÄÒì³£´¦Àí»úÖ
Ïà¹ØÎÊ´ð£º
Printer.ScaleMode = 6
6±íʾºÁÃ×
Printer.PaperSize = vbPRPSA4
'³õÊ¼×ø±ê
x = 1
y = 4
'×î´óµÄÏß¿ð
Printer.DrawStyle = 0
Printer.Line (x, y)-(x + 132.5, y) ......
ÓÃʲô£¿
VB×Ô¼ººÃÏñÓлͼº¯Êý°É,ÁíÍâVBÒ²ÊÇ¿ÉÒÔÓÃAPIµÄ,¶øÇҺܷ½±ã
ÒýÓÃ
VB×Ô¼ººÃÏñÓлͼº¯Êý°É,ÁíÍâVBÒ²ÊÇ¿ÉÒÔÓÃAPIµÄ,¶øÇҺܷ½±ã
ΪʲôvcûÓÐ×Ô¼ºµÄ»Í¼º¯Êý£¿
ÒýÓÃ
ÒýÓà 1 Â¥ wltg2001 µ ......
´ÓÍøÒ³Í¨¹ýinet¿Ø¼þµÄInet1.GetChunk¶ÁÈ¡Æä´úÂ룬ȻºóÏëת»»Îªºº×Ö£¬×ª»»´úÂëÈçÏÂ
Private Sub Inet1_StateChanged(ByVal State As Integer)
Dim strRecText As String
Dim st ......
Õâ¶Î³ÌÐòÖÐ
Begin VB.Forms_frmmain BorderStyle = 1 'fixed single
Caption = "ËÙËã24"
clientHeight = 6375
clientLeft = 154 ......