The MsiSetComponentState function sets a component to the requested state.

Syntax

UINT MsiSetComponentState(
  __in  MSIHANDLE hInstall,
  __in  LPCTSTR szComponent,
  __in  INSTALLSTATE iState
);

Parameters

hInstall [in]

Handle to the installation provided to a DLL custom action or obtained through MsiOpenPackage, MsiOpenPackageEx, or MsiOpenProduct.

szComponent [in]

Specifies the name of the component.

iState [in]

Specifies the state to set. This parameter can be one of the following values.

Value	Meaning
INSTALLSTATE_ABSENT	The component was uninstalled.
INSTALLSTATE_LOCAL	The component was installed on the local drive.
INSTALLSTATE_SOURCE	The component will run from source, CD, or network.

Return Value

The MsiSetComponentState function returns the following values:

ERROR_FUNCTION_FAILED

The function failed.

ERROR_INSTALL_USEREXIT

The user exited the installation.

ERROR_INVALID_HANDLE

An invalid or inactive handle was supplied.

ERROR_SUCCESS

The function succeeded.

ERROR_UNKNOWN_COMPONENT

An unknown component was requested.

Remarks

The MsiSetComponentState function requests a change in the Action state of a record in the Component table.

For more information, see Calling Database Functions From Programs.

If the function fails, you can obtain extended error information by using MsiGetLastErrorRecord.

Requirements

See Also

Installer Selection Functions

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Build date: 6/5/2008