GrapeCity.Documents.Pdf.Spec.IPdfDictExt.TryGet

TryGet Method

TryGet<T>(IPdfDict, PdfName, out T, out bool, bool)

Tries to get the value associated with the specified key, Returns true if value exists and can be converted to a T, resolves a PDF reference if needed. Note! The method does not resolve reference if T is IPdfRef, otherwise the method resolves the reference and returns actual object.

Declaration

public static bool TryGet<T>(this IPdfDict dict, PdfName key, out T value, out bool isNull, bool addWarning) where T : IPdfObject

Parameters

Type	Name	Description
IPdfDict	dict	The current dictionary.
PdfName	key	The key identifying the value.
T	value	OUT: The value.
bool	isNull	OUT: Indicates whether the value is PDF null.
bool	addWarning	Indicates whether to add a warning to GrapeCity.Documents.Pdf.GcPdfDocument.ParserLog if errors occur.

Returns

Type	Description
bool	Returns true if no errors occur.

Type Parameters

Name	Description
T

TryGet<T>(IPdfDict, PdfName, out T, bool)

Tries to get the value associated with the specified key, if the value does not exist or cannot be converted to a T returns false.

Declaration

public static bool TryGet<T>(this IPdfDict dict, PdfName key, out T value, bool addWarning = true) where T : IPdfObject

Parameters

Type	Name	Description
IPdfDict	dict	The current dictionary.
PdfName	key	The key identifying the value.
T	value	OUT: The value.
bool	addWarning	Indicates whether to add a warning to GrapeCity.Documents.Pdf.GcPdfDocument.ParserLog if value at the specified index can't be converted to the T.

Returns

Type	Description
bool	true if value exists, false otherwise.

Type Parameters

Name	Description
T