[C用类实现矩阵时出现的问题主要是二维数组还需要动态申请内]你的程序缺了太多的细节处理，而且动态二位数组的申请，访问和删除都有问题，下面已经都给你改好了，并且在VC上编译运行通过，具体的看一下注释：#include#include#includeusing namesp...+阅读

如何在VB程序下生成二维条码，包括PDF417、QrCode、DataMatrix和汉信二维条码，具体步驺如下：工具/原料准备VB开发环境，VS6.0开发环境方法/步骤创建VB工程，COPY二维条码动态链接库到您的工程中。您需要引用的动态库有：EnCodePdf.dll,EnCodeQr.dll,EnDataMatrix和EnHanxin.dll。大家可以参照下图放置DLL和INI的目录位置。'动态链接库引用（说明：下面是所有四种条码的接口引用申明，读者可以适当剪裁）'串口接口Private Declare FunctionInitRead Lib ＂EnCodePdf.dll＂ (ByVal hcallwnd As Long, ByVal pathnameAs String) As LongPrivate Declare FunctionCloseRead Lib ＂EnCodePdf.dll＂ () As Long'生成PDF417接口Private Declare SubSetPdfConFile Lib ＂EnCodePdf.dll＂ (ByVal confile As String)Private Declare FunctionEnPdfText Lib ＂EnCodePdf.dll＂ (ByVal txtData As String, ByVal outfileAs String) As StringPrivate Declare FunctionEnCodePdf Lib ＂EnCodePdf.dll＂ (ByVal txtfile As String, ByVal outfileAs String) As StringPrivate Declare FunctionMakePdf417 Lib ＂EnCodePdf.dll＂ (ByVal txtfile As String, ByValpictfile As String, ByVal otherfile As String, ByVal outfile As String) AsString'生成QrCode接口Private Declare SubSetQrConFile Lib ＂EnCodeQr.dll＂ (ByVal confile As String)Private Declare FunctionEnQrText Lib ＂EnCodeQr.dll＂ (ByVal txtData As String, ByVal outfileAs String) As StringPrivate Declare FunctionEnCodeQr Lib ＂EnCodeQr.dll＂ (ByVal txtfile As String, ByVal outfileAs String) As StringPrivate Declare FunctionMakeQrCode Lib ＂EnCodeQr.dll＂ (ByVal txtfile As String, ByVal pictfileAs String, ByVal otherfile As String, ByVal outfile As String) As String'生成DataMatrix接口Private Declare SubSetDmConFile Lib ＂EnDataMatrix.dll＂ (ByVal confile As String)Private Declare FunctionEnDmText Lib ＂EnDataMatrix.dll＂ (ByVal txtData As String, ByValoutfile As String) As StringPrivate Declare FunctionEnDataMatrix Lib ＂EnDataMatrix.dll＂ (ByVal txtfile As String, ByValoutfile As String) As StringPrivate Declare FunctionMakeDataMatrix Lib ＂EnDataMatrix.dll＂ (ByVal txtfile As String, ByValpictfile As String, ByVal otherfile As String, ByVal outfile As String) AsString'生成HanXin接口Private Declare SubSetHxConFile Lib ＂EnHanXin.dll＂ (ByVal confile As String)Private Declare FunctionEnHxText Lib ＂EnHanXin.dll＂ (ByVal txtData As String, ByVal outfileAs String) As StringPrivate Declare FunctionEnCodeHx Lib ＂EnHanXin.dll＂ (ByVal txtfile As String, ByVal outfileAs String) As StringPrivate Declare FunctionMakeHanXin Lib ＂EnHanXin.dll＂ (ByVal txtfile As String, ByValpictfile As String, ByVal otherfile As String, ByVal outfile As String) AsString'WAPI接口Private Declare FunctionSetCurrentDirectory Lib ＂kernel32＂ Alias＂SetCurrentDirectoryA＂ (ByVal lpPathName As String) As LongPrivate Declare FunctionWritePrivateProfileString Lib ＂kernel32＂ Alias＂WritePrivateProfileStringA＂ (ByVal lpApplicationName As String,ByVal lpKeyName As Any, ByVal lpString As Any, ByVal lpFileName As String) AsLongPrivate Declare FunctionGetPrivateProfileInt Lib ＂kernel32＂ Alias＂GetPrivateProfileIntA＂ (ByVal lpApplicationName As String, ByVallpKeyName As String, ByVal nDefault As Long, ByVal lpFileName As String) AsLongPrivate Declare FunctionGetPrivateProfileString Lib ＂kernel32＂ Alias＂GetPrivateProfileStringA＂ (ByVal lpApplicationName As String, ByVallpKeyName As Any, ByVal lpDefault As String, ByVal lpReturnedString As String,ByVal nSize As Long, ByVal lpFileName As String) As LongPrivate Declare FunctionSetWindowLong Lib ＂user32＂ Alias ＂SetWindowLongA＂ (ByValhwnd As Long, ByVal nIndex As Long, ByVal dwNewLong As Long) As LongPrivate Declare FunctionSetParent Lib ＂user32＂ (ByVal hWndChild As Long, ByVal hWndNewParentAs Long) As Long'生成图像小波压缩接口'exports from nlcomp.dll 图像压缩函数Private Declare FunctionSizeDIB Lib ＂Wcomp.dll＂ (ByVal oldmap As String, ByVal BmpHeight AsInteger, ByVal BmpWidth As Integer) As LongPrivate Declare FunctionWcompress Lib ＂Wcomp.dll＂ (ByVal infile As String, ByVal outfile AsString, ByVal budget As Long) As LongPrivate Declare FunctionWdecompress Lib ＂Wcomp.dll＂ (ByVal infile As String, ByVal outfile AsString) As Long进行条形码制作： 我们在引用API接口后，可以参照下面程序，实现接口调用 程序中txtfile表示文本文件名，binBmpFile表示输入的图像文件名 若需要装载图像可以采用Make开头接口，若不需要则采用En开头接口。

If (txtfile＂＂ ...

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