源檔案的說明如下：
OpenPDF(filename, ignore protect, user pass, owner pass, pdf handle )
Description:
Opens the PDF file for reading and loads the catalog of the pdf for information on the document (such as
number of pages).
Input Fields:
Filename Char * Contains the full path and filename for the input PDF file.
Ignore Protect BOOL TRUE – Ignores password protection on the PDF
FALSE – Passwords will be used (if needed)
User password Char * Password for the person USING the pdf
Owner password Char * Password for the creator of the pdf
Pdf Handle long * Handle for the open PDF
Return codes:
LONG Status returned:
0 – success
1 - couldn't open the PDF file
2 - couldn't read the page catalog
3 - PDF file is damaged
4 - file is encrypted and password was incorrect or not supplied
5 – User does not have permission to read
Usage:
long pdf;
long status;
status = OpenPDF("input.pdf", TRUE, NULL, NULL, &pdf );
我在pb中的使用程序如下
外部宣告：
Function long OpenPDF(string filename, Boolean protect, Boolean userpass, Boolean ownerpass, ref long pdfhandle) Library "SII_PDF.dll"
使用方式如下：
long flag1,flag2
long pdfhandle
string ls_s
ls_s="d:\save\00967.pdf"
string ls_m
ls_m='d:\save\00967.txt'
flag1 =OpenPDF(ls_s, TRUE, false, false , pdfhandle)
flag2=ConvertPDFToTextFile(0, 0, pdfhandle, ls_m)
messagebox(string(flag1),flag2)
語法正確，但是運行到時提示錯誤
uj5u.com熱心網友回復：
Function ulong OpenPDF(string filename, Boolean protect, string userpass, string ownerpass, ref ulong pdfhandle) Library "SII_PDF.dll"uj5u.com熱心網友回復：
你這種方法宣告，語法倒是沒錯，但是運行是顯示：bad runtime function reference at line 8........
另，將宣告和使用中的ulong 全換成long結果都一樣，運行出錯！
uj5u.com熱心網友回復：
SII_PDF.dll是不是com組件啊，用regsvr32 SII_PDF.dll注冊一下，在用ConnectToNewObject試試
uj5u.com熱心網友回復：
注冊說是找不到dllregisterserver的輸入點
uj5u.com熱心網友回復：
申明為：Function ulong OpenPDF(string filename, Boolean protect, string userpass, string ownerpass, ref ulong pdfhandle) Library "SII_PDF.dll"ownerpass應該是字串
uj5u.com熱心網友回復：
謝謝1樓和5樓幫我糾正錯誤，但是宣告正確之后，語法檢查沒問題，但是運行執行到呼叫就崩潰：就是那個典型的bad runtime function reference at line 8 ......
很無奈！
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標籤：API 調用
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