管理PDF中的元資料可見性

Updated: 2025年6月10日

在元資料類別中可見的內容是什麼？

能夠打開PDF的任何人都可以看到元資料。這些細節包括以下項目：

// Assign metadata properties to a PDF document
Pdf.MetaData.Author = "John Doe";  // The author of the document
Pdf.MetaData.Keywords = "Key, Word";  // Keywords associated with the document
Pdf.MetaData.CreationDate = DateTime.Today;  // The date the document was created
Pdf.MetaData.ModifiedDate = DateTime.Now;  // The date and time the document was last modified
Pdf.MetaData.CustomProperties.Add("Test", "val");  // Custom properties for additional metadata
Pdf.MetaData.Producer = "test";  // The software used to produce the document
Pdf.MetaData.Subject = "test metadata";  // The subject of the document
Pdf.MetaData.Title = "test";  // The title of the document
Pdf.MetaData.Creator = "test";  // The original creator of the document

// Security settings for the PDF
Pdf.SecuritySettings.UserPassword = "ironuser";  // Password to open and view the PDF
Pdf.SecuritySettings.OwnerPassword = "ironowner";  // Password providing full permissions, including editing

// Assign metadata properties to a PDF document
Pdf.MetaData.Author = "John Doe";  // The author of the document
Pdf.MetaData.Keywords = "Key, Word";  // Keywords associated with the document
Pdf.MetaData.CreationDate = DateTime.Today;  // The date the document was created
Pdf.MetaData.ModifiedDate = DateTime.Now;  // The date and time the document was last modified
Pdf.MetaData.CustomProperties.Add("Test", "val");  // Custom properties for additional metadata
Pdf.MetaData.Producer = "test";  // The software used to produce the document
Pdf.MetaData.Subject = "test metadata";  // The subject of the document
Pdf.MetaData.Title = "test";  // The title of the document
Pdf.MetaData.Creator = "test";  // The original creator of the document

// Security settings for the PDF
Pdf.SecuritySettings.UserPassword = "ironuser";  // Password to open and view the PDF
Pdf.SecuritySettings.OwnerPassword = "ironowner";  // Password providing full permissions, including editing

' Assign metadata properties to a PDF document
Pdf.MetaData.Author = "John Doe" ' The author of the document
Pdf.MetaData.Keywords = "Key, Word" ' Keywords associated with the document
Pdf.MetaData.CreationDate = DateTime.Today ' The date the document was created
Pdf.MetaData.ModifiedDate = DateTime.Now ' The date and time the document was last modified
Pdf.MetaData.CustomProperties.Add("Test", "val") ' Custom properties for additional metadata
Pdf.MetaData.Producer = "test" ' The software used to produce the document
Pdf.MetaData.Subject = "test metadata" ' The subject of the document
Pdf.MetaData.Title = "test" ' The title of the document
Pdf.MetaData.Creator = "test" ' The original creator of the document

' Security settings for the PDF
Pdf.SecuritySettings.UserPassword = "ironuser" ' Password to open and view the PDF
Pdf.SecuritySettings.OwnerPassword = "ironowner" ' Password providing full permissions, including editing

' Assign metadata properties to a PDF document
Pdf.MetaData.Author = "John Doe" ' The author of the document
Pdf.MetaData.Keywords = "Key, Word" ' Keywords associated with the document
Pdf.MetaData.CreationDate = DateTime.Today ' The date the document was created
Pdf.MetaData.ModifiedDate = DateTime.Now ' The date and time the document was last modified
Pdf.MetaData.CustomProperties.Add("Test", "val") ' Custom properties for additional metadata
Pdf.MetaData.Producer = "test" ' The software used to produce the document
Pdf.MetaData.Subject = "test metadata" ' The subject of the document
Pdf.MetaData.Title = "test" ' The title of the document
Pdf.MetaData.Creator = "test" ' The original creator of the document

' Security settings for the PDF
Pdf.SecuritySettings.UserPassword = "ironuser" ' Password to open and view the PDF
Pdf.SecuritySettings.OwnerPassword = "ironowner" ' Password providing full permissions, including editing