67 lines
2.3 KiB
Go
67 lines
2.3 KiB
Go
/*
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Copyright 2022 Zheng Dayu
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package windowsupdate
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import (
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"github.com/go-ole/go-ole"
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"github.com/go-ole/go-ole/oleutil"
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)
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// IDownloadResult represents the result of a download operation.
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// https://docs.microsoft.com/en-us/windows/win32/api/wuapi/nn-wuapi-idownloadresult
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type IDownloadResult struct {
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disp *ole.IDispatch
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HResult int32
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ResultCode int32 // enum https://docs.microsoft.com/en-us/windows/win32/api/wuapi/ne-wuapi-operationresultcode
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}
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func toIDownloadResult(downloadResultDisp *ole.IDispatch) (*IDownloadResult, error) {
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var err error
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iDownloadResult := &IDownloadResult{
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disp: downloadResultDisp,
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}
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if iDownloadResult.HResult, err = toInt32Err(oleutil.GetProperty(downloadResultDisp, "HResult")); err != nil {
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return nil, err
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}
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if iDownloadResult.ResultCode, err = toInt32Err(oleutil.GetProperty(downloadResultDisp, "ResultCode")); err != nil {
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return nil, err
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}
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return iDownloadResult, nil
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}
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// GetUpdateResult returns an IUpdateDownloadResult interface that contains the download information for a specified update.
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// https://docs.microsoft.com/en-us/windows/win32/api/wuapi/nf-wuapi-idownloadresult-getupdateresult
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func (iDownloadResult *IDownloadResult) GetUpdateResult(updateIndex int32) (*IUpdateDownloadResult, error) {
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var err error
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iUpdateDownloadResult := &IUpdateDownloadResult{
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disp: iDownloadResult.disp,
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}
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updatesDisp, err := toIDispatchErr(oleutil.CallMethod(iDownloadResult.disp, "GetUpdateResult", updateIndex))
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if err != nil {
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return nil, err
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}
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if iUpdateDownloadResult.HResult, err = toInt32Err(oleutil.GetProperty(updatesDisp, "HResult")); err != nil {
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return nil, err
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}
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if iUpdateDownloadResult.ResultCode, err = toInt32Err(oleutil.GetProperty(updatesDisp, "ResultCode")); err != nil {
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return nil, err
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}
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return iUpdateDownloadResult, nil
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}
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