?? simplereadwrite.frm
字號:
VERSION 5.00
Object = "{7664C9DF-EA9A-48A0-BBCE-BD61A51213DD}#2.0#0"; "opcdatx.ocx"
Begin VB.Form Form1
Caption = "Form1"
ClientHeight = 3645
ClientLeft = 45
ClientTop = 270
ClientWidth = 5385
LinkTopic = "Form1"
ScaleHeight = 3645
ScaleWidth = 5385
StartUpPosition = 3 'Windows Default
Begin VB.TextBox Text3
Height = 420
Left = 756
TabIndex = 3
Top = 1824
Width = 2064
End
Begin VB.CommandButton Command1
Caption = "Write Value"
Height = 456
Left = 1104
TabIndex = 2
Top = 1236
Width = 1404
End
Begin VB.TextBox Text2
Height = 384
Left = 744
TabIndex = 1
Text = "Text2"
Top = 576
Width = 2076
End
Begin VB.TextBox Text1
Height = 396
Left = 756
TabIndex = 0
Text = "Text1"
Top = 120
Width = 2064
End
Begin OPCDATALib.OPCData OPCData1
Left = 3600
Top = 240
_Version = 131072
_ExtentX = 661
_ExtentY = 714
_StockProps = 0
MultipleEngines = 0 'False
TagSource = ""
PCName = ""
OPCServer = "OPCDataCtrl.OPCSimServer.1"
ConnectionTable = ""
CtrlTable = ""
End
End
Attribute VB_Name = "Form1"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
Private Sub Command1_Click()
'Declare some variables - good programming practice
Dim result As Long
Dim Tagname As String
Dim Timeout As Long
'Set the full OPC item path and tagname in the OPC server to write to
'Note this will vary from one OPC server to another -- a simple
'way to tell is to use the OPC data control to browse to the item
'as if you were going to read it and capture the pathname shown there
'the same path that can be used to read a tag will be used to write it
Tagname = "Tank1.Sp"
Timeout = 100 'Set the command timeout in ms
'write the data - result=0 is a success
result = OPCData1.WriteVariable(Tagname, Text3.Text, Timeout)
End Sub
?? 快捷鍵說明
復制代碼
Ctrl + C
搜索代碼
Ctrl + F
全屏模式
F11
切換主題
Ctrl + Shift + D
顯示快捷鍵
?
增大字號
Ctrl + =
減小字號
Ctrl + -