THotPDF.ActivateProtection Property

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THotPDF.ActivateProtection

THotPDF

Determines whether the PDF document is encrypted

Delphi 語法：

property ActivateProtection: Boolean;

C++ 語法：

__property bool ActivateProtection;

說明

PDF 文件可以加密，以保護內容不被未經授權的存取。將ActivateProtection 設為 true 可啟用 PDF 加密；設為 false 則停用 PDF 加密

Default value: false

Code Example

HPDF.OwnerPassword := 'password';          // Set owner password (required to change security settings)
HPDF.UserPassword := 'user';               // Set user password (required to open the document)
HPDF.ProtectOptions := [prPrint, prInformationCopy]; // Allow printing and copying only
HPDF.ActivateProtection := true;           // Enable PDF security

請參閱： CryptKeyLength, OwnerPassword, ProtectOptions, UserPassword