VeryPDF Password Remover COM - Supply PDF Password Remover SDK royalty free version for developer

VeryPDF PDF Password Remover provides two versions: the standard version named VeryPDF PDF Password Remover which contains a GUI application as well as a command line application; and the Pro version named VeryPDF PDF Password Remover COM which is designed for developer users. This page aims at showing you how to use the COM version.

VeryPDF PDF Password Remover COM is specially designed for software programmer to quickly add a PDF password remover utility to your application.

A sample program is provided below to illustrate proper usage of VeryPDF PDF Password Remover COM. Removing PDF password is as simple as filling out a few properties.

System preference

Operating Systems: all Windows platforms, like Windows 2000, XP, Vista, 7, 8，10, 11, Windows Server 2003, 2008, 2008 R2 and later systems, both 32 bit and 64 bit.

Programming Languages

The following programming languages are supported：C#, VB .NET, MS Visual Basic, Borland Delphi, VBA (MS Office products such as Access) and C++ via COM, C and C++ via native C.

Sample: Visual C++

#include <stdio.h>

#include <Windows.h>

#include <string.h>

#include <stdlib.h>

#include <time.h>

#include <windowsx.h>

__declspec(dllexport)

long WINAPI veryDecryptPDF(const char * inFileName, const char *outFileName, const char *OwnerPassword, const char *UserPassword);

__declspec(dllexport)

BOOL WINAPI veryIsPDFEncrypted(const char * inFileName);

void GetModulePath(char *out_path,char *in_name)

{

char *p;

GetModuleFileName(NULL,out_path,256);

p =strrchr(out_path,'\\');

p[1]=0;

strcat(out_path,in_name);

}

void main()

{

char srcpath[_MAX_PATH]

char despath[_MAX_PATH];>

memset(srcpath,0,_MAX_PATH);

memset(despath,0,_MAX_PATH);

//example 1

GetModulePath(srcpath,"test1.pdf");

GetModulePath(despath,"test1Decrypt.pdf");

if(veryIsPDFEncrypted(srcpath))

veryDecryptPDF(srcpath,despath,"owner","user");

//example 2

GetModulePath(srcpath,"test2.pdf");

GetModulePath(despath,"test2Decrypt.pdf");

if(veryIsPDFEncrypted(srcpath))

veryDecryptPDF(srcpath,despath,"owner","user");

}

Sample: Visual Basic

Private Sub Command1_Click()

Dim result

result = veryIsPDFEncrypted("test1.pdf")

If result = 1 Then

result = veryDecryptPDF("test1.pdf", "test1Decrypt.pdf", "owner", "user")

End If

result = veryIsPDFEncrypted("test2.pdf")

If result = 1 Then

result = veryDecryptPDF("test2.pdf", "test2Decrypt.pdf", "owner", "user")

End If

End Sub

Sample: ASP

dim oTest

dim ret

Set oTest = Server.CreateObject("DecryptPDFOCX.CDecryptPDF")

Response.write "Create Object Success!"

ret = oTest.veryIsPDFEncryptedEx("C:\wwwhome\test1.pdf")

if ret = 1 then

ret = oTest.veryDecryptPDFEx("C:\wwwhome\test1.pdf",

"C:\wwwhome\test1_Decrypted.pdf","owner","user")

if ret = 0 then

Response.write "Decrypt PDF file Failer!"

else

Response.write "Decrypt PDF file Success!"

end if

If you want to download or purchase this COM version, please enter Try and Buy page.

Features of VeryPDF Password Remover COM

Support all features of VeryPDF Password Remover except owning a user interface.
Allow developer companies to integrate the program into their products.
Available via COM objects or DLL Libraries or Command Lines.
Enable developers to access the converter via any programming or scripting languages.
Support Visual Basic, C/C++, Delphi, ASP, PHP, C#, and .NET.