Here are the classes, structs, unions and interfaces with brief descriptions:
  _wxPdfCjkFontDesc | Structure describing core fonts (For internal use only) |
| _wxPdfCoreFontDesc | Structure describing core fonts (For internal use only) |
| wxPdfAnnotation | Class representing text annotations |
| wxPdfAnnotationObject | Base class for annotation objects (For internal use only) |
| wxPdfAnnotationWidget | Base class for PDF form fields (For internal use only) |
| wxPdfArray | Class representing an array object. (For internal use only) |
| wxPdfAxialGradient | Class representing axial gradients. (For internal use only) |
| wxPdfBarCodeCreator | Class representing barcode objects |
| wxPdfBookmark | Class representing bookmarks for defining the document's outline. (For internal use only) |
| wxPdfBoolean | Class representing a boolean object. (For internal use only) |
| wxPdfCellContext | Class representing cell context objects. (For internal use only) |
| wxPdfCffDecoder | Class representing CFF decoder for charstrings of type 1 and 2. (For internal use only) |
| wxPdfCffIndexElement | Class representing a CFF index element |
| wxPdfCheckBox | Class representing check box form fields (For internal use only) |
| wxPdfCMapEntry | Class representing a CMap table entry |
| wxPdfColour | Class representing wxPdfDocument colours |
| wxPdfComboBox | Class representing combo box form field (For internal use only) |
| wxPdfCoonsPatch | Class representing a coons patch. (For internal use only) |
| wxPdfCoonsPatchGradient | Class representing coons patch mesh gradients. (For internal use only) |
| wxPdfCoonsPatchMesh | Class representing a coons patch mesh |
| wxPdfDC | Class representing a PDF drawing context |
| wxPdfDCImpl | Class representing the PDF drawing context implementation |
| wxPdfDictionary | Class representing a dictionary object. (For internal use only) |
| wxPdfDocument | Class representing a PDF document |
| wxPdfEncoding | Class representing a font encoding |
| wxPdfEncodingChecker | Class representing a font encoding checker |
| wxPdfEncrypt | Class representing PDF encryption methods. (For internal use only) |
| wxPdfExtGState | Class representing ExtGState. (For internal use only) |
| wxPdfFlatPath | Class representing a flattened path |
| wxPdfFont | Class representing a font providing a basic interface |
| wxPdfFontData | Base class for all fonts. (For internal use only) |
| wxPdfFontDataCore | Class representing the Adobe core fonts. (For internal use only) |
| wxPdfFontDataOpenTypeUnicode | Class representing Unicode OpenType fonts. (For internal use only) |
| wxPdfFontDataTrueType | Class representing TrueType fonts. (For internal use only) |
| wxPdfFontDataTrueTypeUnicode | Class representing Unicode TrueType fonts. (For internal use only) |
| wxPdfFontDataType0 | Class representing Type 0 fonts. (For internal use only) |
| wxPdfFontDataType1 | Class representing Type 1 fonts. (For internal use only) |
| wxPdfFontDescription | Class representing a font description |
| wxPdfFontDetails | Class representing the font manager |
| wxPdfFontExtended | Class representing a font providing an extended interface |
| wxPdfFontManager | Class representing the font manager |
| wxPdfFontParser | Class representing font parsers |
| wxPdfFontParserTrueType | Class representing a TrueType/OpenType font parser |
| wxPdfFontParserType1 | Class representing a Type1 font parser |
| wxPdfFontSubsetCff | Class representing OpenType Font Subsets. (For internal use only) |
| wxPdfFontSubsetTrueType | Class representing TrueType Font Subsets. (For internal use only) |
| wxPdfGlyphListEntry | Class representing a glyph list entry |
| wxPdfGradient | Class representing gradients. (For internal use only) |
| wxPdfImage | Class representing image objects. (For internal use only) |
| wxPdfIndirectObject | Base class for indirect PDF objects (For internal use only) |
| wxPdfIndirectReference | Class representing an indirect reference object. (For internal use only) |
| wxPdfInfo | Class representing a PDF document information dictionary |
| wxPdfKernPairDesc | Class representing a kerning pair (For internal use only) |
| wxPdfLayer | Class for a layer with optional content |
| wxPdfLayerGroup | Class for a group of layers with optional content |
| wxPdfLayerMembership | Class for a layer with optional content |
| wxPdfLineStyle | Class representing line styles |
| wxPdfLink | Class representing internal or external links |
| wxPdfLiteral | Class representing a literal object. (For internal use only) |
| wxPdfLzwDecoder | Class representing an LZW decoder. (For internal use only) |
| wxPdfMidAxialGradient | Class representing mid axial gradients. (For internal use only) |
| wxPdfName | Class representing a name object. (For internal use only) |
| wxPdfNull | Class representing a null object. (For internal use only) |
| wxPdfNumber | Class representing a numeric object. (For internal use only) |
| wxPdfObject | Class representing a base PDF object. (For internal use only) |
| wxPdfObjectQueue | Class representing a queue of objects. (For internal use only) |
| wxPdfOcg | Base class for optional content. (For internal use only) |
| wxPdfPageLink | Class representing the sensitive area of links referring to a page. (For internal use only) |
| wxPdfPageSetupDialog | |
| wxPdfPageSetupDialogCanvas | |
| wxPdfParser | Class representing a PDF parser. (For internal use only) |
| wxPdfPattern | Class representing patterns |
| wxPdfPreviewDC | |
| wxPdfPrintData | |
| wxPdfPrintDialog | |
| wxPdfPrinter | |
| wxPdfPrintPreview | |
| wxPdfPrintPreviewImpl | |
| wxPdfPushButton | Class representing push button form field (For internal use only) |
| wxPdfRadialGradient | Class representing radial gradients. (For internal use only) |
| wxPdfRadioButton | Class representing radio button form field (For internal use only) |
| wxPdfRadioGroup | Class representing radio button groups (For internal use only) |
| wxPdfRijndael | Class implementing the Rijndael cipher. (For internal use only) |
| wxPdfShape | Class representing a shape consisting of line and curve segments |
| wxPdfSpotColour | Class representing spot colours |
| wxPdfStream | Class representing a stream object. (For internal use only) |
| wxPdfString | Class representing a normal string object. (For internal use only) |
| wxPdfTable | Class representing tables within a cell. (For internal use only) |
| wxPdfTableCell | Class representing table cells. (For internal use only) |
| wxPdfTableDirectoryEntry | Class representing a table directory entry for TrueType fonts (For internal use only) |
| wxPdfTemplate | Class representing a template (For internal use only) |
| wxPdfTextField | Class representing text form fields (For internal use only) |
| wxPdfTokenizer | Class representing a tokenizer for parsing PDF documenst |
| wxPdfUtility | Class implementing several static utility methods |
| wxPdfVolt | Class representing the Adobe core fonts. (For internal use only) |
 wxPdfXRefEntry | Class representing an XRef entry (for internal use only) |
