public void SetTheme(
	string subAppName,
	string subIdList,
	bool throwOnError = true
)

Parameters

subAppName

Type: SystemString
A string that contains the application name to use in place of the calling application's name. If this parameter is null, the calling application's name is used.

subIdList

Type: SystemString
A string that contains a semicolon-separated list of CLSID names for use in place of the actual list passed by the window's class. If this parameter is null, the ID list from the calling class is used.

throwOnError (Optional)

Type: SystemBoolean
true to throw error; otherwise false.

Reference