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| If you want to add a possibility to convert DBF files in your application
you could use our library for this purpose.
There are only two functions:
int DBFtoDBF_Converter(HWND hwnd, int argc, char *argv[]);
It accepts three parameters.
The first "hwnd" must be NULL. It is not used.
The second "argc" must be equal to number of parameters.
The third "argv" contains parameters.
int DBFtoDBF_ConverterStr(HWND hwnd, char *params);
It accepts two parameters.
The first "hwnd" must be NULL. It is not used.
The second "params" contains parameters which are delimited with sign #,
for example: source.dbf#target.dbf#/dBase3#/overwrite=1
The functions return:
0 - success
1 - not recognized a source file
2 - not recognized a target file or folder
3 - cannot open one or more source dbf files
Drive:\Path\FileName1.dbf Source DBF file
Drive:\Path\FileName1.dbf Target DBF file
Drive:\Path\ Target DBF folder
/OVERWRITE=1 Overwrite existing file. (default)
/OVERWRITE=0 Do not overwrite existing file. (Append to existing file).
/SKIPDEL=1 Skip records marked as deleted.
/SKIPDEL=0 Do not skip records marked as deleted.
/RECALL=1 Remove a deleteion mark from the output file.
/RECALL=0 Keep a deletion mark in the output file. (default)
/DBASE3 Convert to dBase III format.
/DBASE4 Convert to dBase IV format.
/FOXPRO Convert to FoxPro format.
/VFP Convert to Visual FoxPro format.
/LEVEL7 Convert to dBase Level 7 format.
/BLOCKSIZE=????? Set blocksize for memo fields.
Example:
/BLOCKSIZE=128
/RECORDS=0 Do not export records of the table.
Output codepage
/ASIS Codepage as is. (default)
/ANSI Convert to ANSI codepage.
/OEM Convert to OEM codepage.
Source codepage
/SOURCE=ANSI
/SOURCE=OEM
/FILTER=condition It allows you to convert records which satisfy the condition.
/CHANGETYPE:FIELD=TYPE(LENGTH,WIDTH)
Set field type in the output file
Example:
/CHANGETYPE:FIELDNAME1=N(10,2)
/CHANGETYPE:FIELDNAME2=C(128)
/CHANGETYPE:FIELDNAME3=D(8)
/CHANGETYPE:FIELDNAME4=M
////////////////////// sample1.cpp ////////////////////////////
//parameters in the command line
//
//sample1.exe source.dbf target.dbf ...
//
#include <windows.h>
int __declspec(dllexport) __stdcall DBFtoDBF_Converter(HWND hwnd, int argc, char *argv[]);
int
main(int argc, char *argv[])
{
return DBFtoDBF_Converter(NULL, argc, argv);
}
//
////////////////////// sample1.cpp ////////////////////////////
////////////////////// sample2.cpp ////////////////////////////
//parameters in the source code
//
//sample2.exe
//
#include <windows.h>
int __declspec(dllexport) __stdcall DBFtoDBF_Converter(HWND hwnd, int argc, char *argv[]);
int
main()
{
int n=0;
char *params[10];
params[n++]=strdup(__argv[0]);
params[n++]=strdup("source.dbf");
params[n++]=strdup("target.dbf");
params[n++]=strdup("/ansi");
params[n++]=strdup("/overwrite=1");
return DBFtoDBF_Converter(NULL, n, params);
}
//
////////////////////// sample2.cpp ////////////////////////////
//////////////////////// net.cpp //////////////////////////////
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
using System.Runtime.InteropServices;
namespace WindowsApplication1
{
public partial class Form1 : Form
{
[DllImport("dbf2dbf_d.dll", CharSet = CharSet.Ansi)]
static extern void DBFtoDBF_Converter(string hwnd, int argc, string[] argv);
public Form1()
{
InitializeComponent();
}
private void Form1_Load(object sender, EventArgs e)
{
}
private void button1_Click(object sender, EventArgs e)
{
int n=6;
string[] parms = new string[]
{
"dbf2dbf",
"/OVERWRITE=1",
"/SKIPDEL=1",
"/ASIS",
"C:\\in.dbf",
"C:\\out.dbf"
};
DBFtoDBF_Converter(null, n, parms);
}
}
}
/////////////////////// net.cpp //////////////////////////////// |
Aide pour utiliser une DLL C++ dans D7
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