Microsoft-Windows-Magnification

16 events across 1 channel

Event ID 1: LensCreate

#
Provider
Microsoft-Windows-Magnification
Channel
Operational
Task
LensCreate

Fields #

NameDescription
hWndLensCtx UInt64

Event ID 2: LensDestroy

#
Provider
Microsoft-Windows-Magnification
Channel
Operational
Task
LensDestroy

Fields #

NameDescription
hWndLensCtx UInt64

Event ID 3: SetWindowSource

#
Provider
Microsoft-Windows-Magnification
Channel
Operational
Task
SetWindowSource

Fields #

NameDescription
hWndLensCtx UInt64
SrcRect AnsiString

Event ID 4: SetWindowTransform

#
Provider
Microsoft-Windows-Magnification
Channel
Operational
Task
SetWindowTransform

Fields #

NameDescription
hWndLensCtx UInt64
Transform AnsiString

Event ID 5: UpdateLensContentStart

#
Provider
Microsoft-Windows-Magnification
Channel
Operational
Task
UpdateLensContent
Opcode
Start

Fields #

NameDescription
hWndLensCtx UInt64
DesktopComposited UInt32

Event ID 6: UpdateLensContentStop

#
Provider
Microsoft-Windows-Magnification
Channel
Operational
Task
UpdateLensContent
Opcode
Stop

Fields #

NameDescription
hWndLensCtx UInt64
DesktopComposited UInt32

Event ID 7: UpdateContentSurfacesStart

#
Provider
Microsoft-Windows-Magnification
Channel
Operational
Task
UpdateContentSurfaces
Opcode
Start

Fields #

NameDescription
hWndLensCtx UInt64
UpdateId UInt64

Event ID 8: UpdateContentSurfacesStop

#
Provider
Microsoft-Windows-Magnification
Channel
Operational
Task
UpdateContentSurfaces
Opcode
Stop

Fields #

NameDescription
hWndLensCtx UInt64
UpdateId UInt64

Event ID 9: UpdateRedirectionSurfacesStart

#
Provider
Microsoft-Windows-Magnification
Channel
Operational
Task
UpdateRedirectionSurfaces
Opcode
Start

Fields #

NameDescription
hWndLensCtx UInt64
UpdateId UInt64

Event ID 10: UpdateRedirectionSurfacesStop

#
Provider
Microsoft-Windows-Magnification
Channel
Operational
Task
UpdateRedirectionSurfaces
Opcode
Stop

Fields #

NameDescription
hWndLensCtx UInt64
UpdateId UInt64

Event ID 11: UpdateRedirectionResourcesStart

#
Provider
Microsoft-Windows-Magnification
Channel
Operational
Task
UpdateRedirectionResources
Opcode
Start

Fields #

NameDescription
hWndLensCtx UInt64
UpdateId UInt64

Event ID 12: UpdateRedirectionResourcesStop

#
Provider
Microsoft-Windows-Magnification
Channel
Operational
Task
UpdateRedirectionResources
Opcode
Stop

Fields #

NameDescription
hWndLensCtx UInt64
UpdateId UInt64

Event ID 13: UpdateSettingsStart

#
Provider
Microsoft-Windows-Magnification
Channel
Operational
Task
UpdateSettings
Opcode
Start

Fields #

NameDescription
hWndLensCtx UInt64

Event ID 14: UpdateSettingsStop

#
Provider
Microsoft-Windows-Magnification
Channel
Operational
Task
UpdateSettings
Opcode
Stop

Fields #

NameDescription
hWndLensCtx UInt64

Event ID 15: RecreateTexturesStart

#
Provider
Microsoft-Windows-Magnification
Channel
Operational
Task
RecreateTextures
Opcode
Start

Fields #

NameDescription
hWndLensCtx UInt64
Width UInt32
Height UInt32

Event ID 16: RecreateTexturesStop

#
Provider
Microsoft-Windows-Magnification
Channel
Operational
Task
RecreateTextures
Opcode
Stop

Fields #

NameDescription
hWndLensCtx UInt64

Provenance

Where this provider's schema came from, and which Windows build it was observed on. Windows can change a provider's event schema between builds, so use this to judge whether it matches the build you collect from.

ETW provider GUID c882ff1d-7585-4b33-b135-95c577179137

Defined in magnification.dll, which carries the event manifest.

Observed on:

  • WS2022-20348.4893 · schema read from the registered manifest · binary version 10.0.20348.1 · captured 2026-06-02
  • Win11-26200.6584 · schema read from the registered manifest · binary version 10.0.26100.1 · captured 2026-06-02

Downloads

Credits

  • Microsoft - authored the ETW manifests and PDBs the schema comes from
  • jdu2600 - the event-schema TSV format this catalog adopted
  • nasbench - the tool that dumps registered providers and manifests