62 lines
1.9 KiB
Go
62 lines
1.9 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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// IUpdateDownloadContent represents the download content of an update.
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// https://docs.microsoft.com/en-us/windows/win32/api/wuapi/nn-wuapi-iupdatedownloadcontent
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type IUpdateDownloadContent struct {
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disp *ole.IDispatch
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DownloadUrl string
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}
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func toIUpdateDownloadContents(updateDownloadContentsDisp *ole.IDispatch) ([]*IUpdateDownloadContent, error) {
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count, err := toInt32Err(oleutil.GetProperty(updateDownloadContentsDisp, "Count"))
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if err != nil {
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return nil, err
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}
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contents := make([]*IUpdateDownloadContent, 0, count)
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for i := 0; i < int(count); i++ {
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contentDisp, err := toIDispatchErr(oleutil.GetProperty(updateDownloadContentsDisp, "Item", i))
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if err != nil {
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return nil, err
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}
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content, err := toIUpdateDownloadContent(contentDisp)
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if err != nil {
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return nil, err
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}
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contents = append(contents, content)
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}
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return contents, nil
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}
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func toIUpdateDownloadContent(updateDownloadContentDisp *ole.IDispatch) (*IUpdateDownloadContent, error) {
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var err error
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iUpdateDownloadContent := &IUpdateDownloadContent{
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disp: updateDownloadContentDisp,
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}
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if iUpdateDownloadContent.DownloadUrl, err = toStringErr(oleutil.GetProperty(updateDownloadContentDisp, "DownloadUrl")); err != nil {
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return nil, err
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}
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return iUpdateDownloadContent, nil
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}
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