- DS.Documents.Barcode Assembly
- DS.Documents.Html Assembly
- DS.Documents.Imaging Assembly
- DS.Documents.Imaging.Windows Assembly
-
DS.Documents.Pdf Assembly
- GrapeCity.Documents.Pdf
- GrapeCity.Documents.Pdf.AcroForms
- GrapeCity.Documents.Pdf.Actions
- GrapeCity.Documents.Pdf.Annotations
- GrapeCity.Documents.Pdf.Articles
- GrapeCity.Documents.Pdf.Graphics
- GrapeCity.Documents.Pdf.Recognition.Model
- GrapeCity.Documents.Pdf.Graphics.Images
- GrapeCity.Documents.Pdf.Layers
- GrapeCity.Documents.Pdf.Log
- GrapeCity.Documents.Pdf.MarkedContent
- GrapeCity.Documents.Pdf.Operators
- GrapeCity.Documents.Pdf.Parser
- GrapeCity.Documents.Pdf.Recognition
- GrapeCity.Documents.Pdf.Graphics.ColorSpaces
- GrapeCity.Documents.Pdf.Recognition.Structure
- GrapeCity.Documents.Pdf.Recognition.TextReplaceMap
- GrapeCity.Documents.Pdf.Security
-
GrapeCity.Documents.Pdf.Spec
-
Classes
- IPdfArrayExt
- IPdfBoolExt
-
IPdfDictExt
-
Methods
- Clear
- ContainsKey
- CopyToExcluding
- Count
- DictToString
- Get<T>
- GetArray<T>
- GetAtPath<T>
- GetBool
- GetBoolArray
- GetColor
- GetDeviceRGBColor
- GetDictArray
- GetDouble
- GetEnum<T>
- GetFloat
- GetFloatArray
- GetInt
- GetIntArray
- GetMatrix
- GetName
- GetNameArray
- GetNameArrayStr
- GetOffsets
- GetPdfDateTime
- GetPdfEnum<T>
- GetPdfStringBytes
- GetRect
- GetRefArray
- GetStreamData
- GetString
- GetStringArray
- GetStringOrName
- Remove
- RemoveStreamEntries
- Set
- SetBool
- SetColor
- SetDeviceRGBColor
- SetDouble
- SetFloat
- SetFloatArray
- SetInt
- SetIntArray
- SetMatrix
- SetName
- SetNameArray
- SetNameNotEmpty
- SetOffsets
- SetPdfDateTime
- SetPdfEnum<T>
- SetPdfStringBytes
- SetRect
- SetRichTextNotEmpty
- SetSilent
- SetString
- SetStringArray
- SetStringNotEmpty
- TryGet<T>
- TryGetArray<T>
- TryGetAtPath<T>
- TryGetBool
- TryGetBoolArray
- TryGetColor
- TryGetDeviceRGBColor
- TryGetDictArray
- TryGetDouble
- TryGetEnum<T>
- TryGetFloat
- TryGetFloatArray
- TryGetInt
- TryGetIntArray
- TryGetMatrix
- TryGetName
- TryGetNameArray
- TryGetNameArrayStr
- TryGetOffsets
- TryGetPdfDateTime
- TryGetPdfEnum<T>
- TryGetRect
- TryGetRefArray
- TryGetString
- TryGetStringArray
- TryGetStringOrName
- TryGetValue
-
Methods
- IPdfNameExt
- IPdfNumberExt
- IPdfObjectExt
- IPdfRefExt
- IPdfStringExt
- PdfArray
- PdfArrayObject
- PdfBool
- PdfBoolObject
- PdfDict
- PdfDictObject
- PdfIndirectObject<TValue>
- PdfIndirectObjectBase
- PdfName
- PdfName.Std
- PdfNameObject
- PdfNull
- PdfNullObject
- PdfNumber
- PdfNumber.Std
- PdfNumberObject
- PdfRef
- PdfRefObject
- PdfStreamInfo
- PdfStreamObjectBase
- PdfString
- PdfStringObject
- Structs
- Interfaces
- Enums
-
Classes
- GrapeCity.Documents.Pdf.Structure
- GrapeCity.Documents.Pdf.Text
- GrapeCity.Documents.Pdf.Text.CMap
- GrapeCity.Documents.Pdf.TextMap
- GrapeCity.Documents.Pdf.Wrappers
- GrapeCity.Documents.Pdf.Writer
GrapeCity.Documents.Pdf.Spec.IPdfDictExt.TryGetBool
TryGetBool Method
TryGetBool(IPdfDict, PdfName, out bool)
Tries to get the Boolean value associated with the specified key. If the value does not exist or cannot be converted to a Boolean, returns false.
Declaration
public static bool TryGetBool(this IPdfDict dict, PdfName key, out bool value)Public Shared Function TryGetBool(dict As IPdfDict, key As PdfName, ByRef value As Boolean) As BooleanParameters
| Type | Name | Description |
|---|---|---|
| IPdfDict | dict | The current dictionary. |
| PdfName | key | The key identifying the value. |
| bool | value | OUT. When this method returns, contains the Boolean value associated with the specified key, if the key is found; otherwise, the default value for the type of the value parameter. This parameter is passed uninitialized. |
Returns
| Type | Description |
|---|---|
| bool | true if value exists; otherwise, false. |