Windows Dev Center

Patch.State property

The State property returns the installation state of this instance of the patch.

This property is read-only.

Syntax


propVal = Patch.State


Property value

Remarks

This property returns one of the following values.

Installation StateMeaning
MSIPATCHSTATE_APPLIEDPatch is applied to this product instance.
MSIPATCHSTATE_SUPERSEDEDPatch is applied to this product instance but is superseded.
MSIPATCHSTATE_OBSOLETEDPatch is applied in this product instance but obsolete.

 

This method can return ERROR_UNKNOWN_PATCH, if the Patch object is initialized with an empty string for ProductCode.

Requirements

Version

Windows Installer 5.0 on Windows Server 2012, Windows 8, Windows Server 2008 R2 or Windows 7. Windows Installer 4.0 or Windows Installer 4.5 on Windows Server 2008 or Windows Vista. Windows Installer 3.0 or later on Windows Server 2003, Windows XP, and Windows 2000

DLL

Msi.dll

IID

IID_IPatch is defined as 000C10A1-0000-0000-C000-000000000046

See also

Patch
MsiGetPatchInfoEx
Not Supported in Windows Installer 2.0 and earlier

 

 

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