Skip to main content
Chat Now
Buy
Support Center
Documentation
Blogs
Training
Demos
Free Trial
Log In
Menu
VCL
All docs
V
24.2
25.1 (EAP/Beta)
24.2
24.1
23.2
23.1
22.2
22.1
21.2
21.1
Search:
Search
Search in…
DevExpress documentation only
All DevExpress web resources
Docs
>
VCL Controls
>
Express Cross Platform Library
>
API Reference
>
dxWinInet
All docs
V
24.2
General Information
Support Services
Install Trial Version
Install Registered Products
NuGet Packages
Install Updates
Security Information
UI Localization
IDE Productivity Tools
CodeRush for Visual Studio (FREE)
QA/Web Testing Tools
TestCafe Studio
Desktop UI Controls
Controls
WinForms
WPF
VCL (Delphi & C++Builder)
FREE UTILITIES
WinForms Skin Editor
WPF Theme Designer
Frameworks and Libraries
AI Integration
XAF - Cross-Platform .NET App UI
XPO - .NET ORM Library (FREE)
XPO Profiler
Core Libraries
Drawing Graphics Library
.NET App Security & Web API Service (FREE)
Web UI Controls
Controls and Extensions
DevExtreme (Angular, React, Vue, jQuery)
Blazor (Server, WebAssembly, and Hybrid)
ASP.NET Core
ASP.NET Web Forms
ASP.NET MVC 5
ASP.NET MVC 5 (JavaScript-based)
ASP.NET Bootstrap
FREE UTILITIES
ASP.NET Theme Builder
ASP.NET Theme Deployer
Mobile
.NET MAUI
PDF & Office Document APIs
Word (DOCX, DOC)
Excel (XLSX, XLS)
PDF
Reporting & Analytics
DevExpress Reports (all supported platforms)
Report & Dashboard Server
BI Dashboard
End-User Documentation
Interface Elements for Desktop
Interface Elements for Web
Dashboard for Desktop
Dashboard for Web
25.1 (EAP/Beta)
24.2
24.1
23.2
23.1
22.2
22.1
21.2
21.1
Filter table of contents
Clear search input
Full-text search
VCL Controls
What's New
Installation
Express Cross Platform Library
Common Features
High DPI and Graphics
Accessibility Support
Global Application Settings
Standalone Tools
Concepts
How To...
API Reference
cxClasses
cxContainer
cxControls
cxCustomCanvas
cxCustomConverter
cxDateUtils
cxDrawTextUtils
cxExport
cxFormats
cxGeometry
cxGraphics
cxImageList
cxLibraryConsts
cxLocalization
cxLookAndFeelPainters
cxLookAndFeels
cxPropertiesStore
cxScrollBar
cxStorage
cxStyles
dxActions
dxAnimation
dxAuthorizationAgents
dxBase64
dxCalloutPopup
dxCloudStorage
dxCloudStorageGoogleDriveProvider
dxCloudStorageMicrosoftOneDriveProvider
dxCore
dxCoreClasses
dxCoreGraphics
dxCryptoAPI
dxCustomFluentDesignForm
dxCustomHint
dxCustomPreview
dxCustomTree
dxDPIAwareUtils
dxDateRanges
dxDirectX.D2D.Utils
dxDocumentLayoutUnitConverter
dxFading
dxFontHelpers
dxForms
dxFramedControl
dxGDIPlusAPI
dxGDIPlusClasses
dxGallery
dxGenerics
dxHashUtils
dxMeasurementUnits
dxOLECryptoContainer
dxOLEDocument
dxPanel
dxPasswordDialog
dxPrintUtils
dxPrinting
dxProtectionUtils
dxSVGImage
dxScreenTip
dxScrollAnimation
dxScrollbarAnnotations
dxSkinNames
dxSkinsCore
dxSkinsStrs
dxSmartImage
dxSpellCheckerCore
dxThemeManager
dxThreading
dxTouch
dxUIAClasses
dxUxTheme
dxWinInet
TdxJSONObject
dxX509Certificate
dxXMLClasses
dxXMLDoc
ExpressQuantumGrid Suite
ExpressEditors Library
ExpressBars Suite
ExpressCharts Suite
ExpressRichEditControl Suite
ExpressSkins Library
ExpressScheduler Suite
ExpressSpreadSheet Suite
ExpressQuantumTreeList Suite
ExpressPDFViewer Suite
ExpressPrinting System
ExpressLayoutControl Suite
ExpressNavBar Suite
ExpressPivotGrid Suite
ExpressVerticalGrid Suite
ExpressDocking Library
ExpressMemData
ExpressDataController
ExpressSpellChecker Suite
ExpressMapControl Suite
ExpressGanttControl Suite
ExpressGaugeControl Suite
ExpressTileControl Suite
ExpressFlowChart Suite
ExpressFlowChart Editor
ExpressOrgChart Suite
ExpressPageControl Suite
ExpressWizardControl Suite
General Information
Support Services
Install Trial Version
Install Registered Products
NuGet Packages
Install Updates
Security Information
UI Localization
IDE Productivity Tools
CodeRush for Visual Studio (FREE)
QA/Web Testing Tools
TestCafe Studio
Desktop UI Controls
Controls
WinForms
WPF
VCL (Delphi & C++Builder)
FREE UTILITIES
WinForms Skin Editor
WPF Theme Designer
Frameworks and Libraries
AI Integration
XAF - Cross-Platform .NET App UI
XPO - .NET ORM Library (FREE)
XPO Profiler
Core Libraries
Drawing Graphics Library
.NET App Security & Web API Service (FREE)
Web UI Controls
Controls and Extensions
DevExtreme (Angular, React, Vue, jQuery)
Blazor (Server, WebAssembly, and Hybrid)
ASP.NET Core
ASP.NET Web Forms
ASP.NET MVC 5
ASP.NET MVC 5 (JavaScript-based)
ASP.NET Bootstrap
FREE UTILITIES
ASP.NET Theme Builder
ASP.NET Theme Deployer
Mobile
.NET MAUI
PDF & Office Document APIs
Word (DOCX, DOC)
Excel (XLSX, XLS)
PDF
Reporting & Analytics
DevExpress Reports (all supported platforms)
Report & Dashboard Server
BI Dashboard
End-User Documentation
Interface Elements for Desktop
Interface Elements for Web
Dashboard for Desktop
Dashboard for Web
dxWinInet Unit
Types
Name
TdxJSONObject
Feedback
Was this page helpful?
Yes
Yes, but…
No…
Close
Thanks for your feedback!
Close
How can we improve this page?
Make this page easier to find
Add or update sample code
Simplify text
Remove or update obsolete content
Add information/instructions
Additional comments/thoughts:
Feedback
If you have any questions, submit a ticket to our
Support Center
.
Submit
Close