1.判断文件/目录是否存在 Try ' 先判断文件是否存在. If Not File.Exists(TextBox4.Text) Then File.CreateText(TextBox4.Text) '单纯创建文件一般不常用,正常情况下是创建文件然后进行读写操作 'System.IO.File.Create(TextBox4.Text) End If Catch ex As Exception MessageBox.Show(ex.Message) Exit Sub End Try Try '
用VB操作Excel(VB6.0)(整理) 首先创建Excel对象,使用ComObj:Dim ExcelID as Excel.ApplicationSet ExcelID as new Excel.Application 1)显示当前窗口:ExcelID.Visible:=True2)更改Excel标题栏:ExcelID.Caption:='应用程序调用MicrosoftExcel'3)添加新工作簿:ExcelID.WorkBooks.Add4)打开已存在的工作簿:ExcelID.WorkBo
最近客户的一个需要,要求将数据以xml的形式发送. vb 实现代码 Private Function createXML_old(ByVal xmlName As String) As Boolean Dim SrcPath As String = "c\project\srcXmlFiles\" '产生的xml存放的目录 Try Dim writer As New System.Xml.XmlTextWriter(SrcPath & xmlName, Syste
Private Sub writeToExcel(strTmp1() As String, colTmp1 As Collection)'' Dim tmp1 Dim i1 As Integer, intCol As Integer, intRow As Integer Dim xlApp As New Excel.Application Dim xlBook As New Excel.Workbook Dim xlSheet As New Excel.Worksheet Dim strName
Public adoConn As New ADODB.Connection Private Sub csv() adoConn.ConnectionString = "Driver={Microsoft Text Driver (*.txt; *.csv)};DefaultDir=C:\Documents and Settings\vinsonlu\Desktop\1400004" adoConn.Open() Dim rs As New ADODB.Recordset rs.Ope
<SoapHeader("oHeader")> _ <WebMethod()> _ <ScriptMethod(ResponseFormat:=ResponseFormat.Json)> _ Public Function Test_SyncLock() As String ) As Threading.Thread threads(i) = New Threading.Thread(AddressOf PrintNumbers) threads(i
VSTO中的自定义功能区和自定义任务窗格需要用到各种命名空间.添加所需文件,才能实现.后来我发现可以把所有代码都写在ThisAddin.vb这个默认文件中. 大家可以在Visual Studio中创建一个外接程序项目,然后把ThisAddin.vb中的代码整体替换为下面我贴的这个代码.然后启动调试,就可以看到自定义功能区和任务窗格了. Imports Microsoft.Office.Core Public Class ThisAddIn Private Sub ThisAddIn_Startu
运动平台:日脉的二维运动平台(一个旋转平台和一个滑动平台) 开发环境:VS2010 + .NET Framework + VB.NET 使用文件:pci_8158.vb motion_8158_2D.vb 2D平台运动类 Public Class motion_8158_2D Public CardId As Integer 'move parameter here 'AxisNo is 0 or 1 Public AxisNo As Short 'Dist : mm Public Dist A
'--------------------------------- 'write file Dim nHandle As Integer, fName As String fName = "d:\1.txt" nHandle = FreeFile Open fName For Output As #nHandle Print #nHandle, "0" Print #nHandle, "2"