CampusManagementInformatonSystemBasedonCOMofGIS

说明：  文档管理源代码!!希望大家支持一下吧!!多谢了(Document management source code!! I hope you will support yourself!! Thank you very much)

说明：  Closed code first my

测试com口程序Private Sub Form_Load() Dim I As Integer Dim Msg As String Me.Enabled = False Msg = 串行端口通讯测试 V & App.Major & . & App.Minor & App.Revision cboCommSettings.Text = GetSetting(App.EXEName, frmCommTest , CommSettings , 2400,N,8,1 ) Me.Show Me.Refresh With MSComm1 For I = 1 To 16 Me.Caption = Msg & - 测试通讯端口:COM & I & ... Me.Refresh Delay 100 On Error Resume Next .CommPort = I .Settings = 2400,N,8,1 .PortOpen = True .PortOpen = False If Err = 0 Then cboCommPort.AddItem COM & Trim(I) Next I End With cboCommPort.ListIndex = 0 optCommData(0).Value = True Me.Caption = Msg & (Programming by WJY) Me.Refresh If cboCommPort.ListCount = 0 Then MsgBox 程序检测不到可用的串行端口! Me.Enabled = True End Sub (test com port)

一个小例子 如何操作Excel 无条件添加数据(vb.net teach you how to add Excel)

说明：  VB绘制3维立体几何图案，程序源码，绘图实例源码，三维制图(VB drawing 3D three-dimensional geometric patterns, program source code, drawing example source code, 3D drawing)

一套基于GIS的交通网络处理软件，可以充分利用MapX在矢量地图编辑、数据管理等方面的强大功能，弥补传统专业软件的相应不足。(a GIS-based transport network processing software, can fully utilize the MapX vector map editing, Data management of the powerful functions, bridging traditional professional less than the corresponding software.)

Developing Mapobjects and Visual Basic Sample

高斯坐标正反算VC++代码，包含有北京54、全国80和WGS-84三种坐标系！！(Gauss coodinates calculation code，vc++ implementation，including the following three corrinate： BeJing54，State80，WGS-84.)

** sBackUpfileName 恢复后的数据库存放目录 ** sDataBaseName 备份的数据名 ** sIsAddBackup 是否追加到备份文件中 **说 明：引用Microsoft ActiveX Data Objects 2.x Library **模 块 名：frestoredatabase_a **描 述：恢复数据库,返回出错信息,正常恢复,返回"" **调 用：frestoredatabase_a "备份文件名","数据库名" **参数说明： ** sDataBasePath 恢复后的数据库存放目录 ** sBackupNumber 是从那个备份号恢复 ** sReplaceExist 指定是否覆盖已经存在的数据 **说 明：引用Microsoft ActiveX Data Objects 2.x Library ">

公路设计软件海地head纵横地面线数据转换card纵横数据文件VB源代码程序(Haiti head vertical and horizontal ground line highway design software data conversion card and data file VB source program )