66 lines
1.5 KiB
Go
66 lines
1.5 KiB
Go
// Code generated by winrt-go-gen. DO NOT EDIT.
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//go:build windows
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//nolint:all
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package streams
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import (
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"syscall"
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"unsafe"
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"github.com/go-ole/go-ole"
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)
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const SignatureDataReader string = "rc(Windows.Storage.Streams.DataReader;{e2b50029-b4c1-4314-a4b8-fb813a2f275e})"
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type DataReader struct {
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ole.IUnknown
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}
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func (impl *DataReader) ReadBytes(valueSize uint32) ([]uint8, error) {
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itf := impl.MustQueryInterface(ole.NewGUID(GUIDIDataReader))
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defer itf.Release()
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v := (*IDataReader)(unsafe.Pointer(itf))
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return v.ReadBytes(valueSize)
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}
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const GUIDiDataReaderStatics string = "11fcbfc8-f93a-471b-b121-f379e349313c"
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const SignatureiDataReaderStatics string = "{11fcbfc8-f93a-471b-b121-f379e349313c}"
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type iDataReaderStatics struct {
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ole.IInspectable
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}
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type iDataReaderStaticsVtbl struct {
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ole.IInspectableVtbl
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DataReaderFromBuffer uintptr
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}
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func (v *iDataReaderStatics) VTable() *iDataReaderStaticsVtbl {
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return (*iDataReaderStaticsVtbl)(unsafe.Pointer(v.RawVTable))
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}
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func DataReaderFromBuffer(buffer *IBuffer) (*DataReader, error) {
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inspectable, err := ole.RoGetActivationFactory("Windows.Storage.Streams.DataReader", ole.NewGUID(GUIDiDataReaderStatics))
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if err != nil {
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return nil, err
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}
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v := (*iDataReaderStatics)(unsafe.Pointer(inspectable))
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var out *DataReader
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hr, _, _ := syscall.SyscallN(
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v.VTable().DataReaderFromBuffer,
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uintptr(unsafe.Pointer(v)), // this
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uintptr(unsafe.Pointer(buffer)), // in IBuffer
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uintptr(unsafe.Pointer(&out)), // out DataReader
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)
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if hr != 0 {
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return nil, ole.NewError(hr)
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}
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return out, nil
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}
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