87 lines
3.3 KiB
Go
87 lines
3.3 KiB
Go
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// Copyright 2010 The win Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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// +build windows
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package win
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import (
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"syscall"
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"unsafe"
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)
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// SetPropValue identifies the accessible element to be annotated, specify the property to be annotated, and provide a new value for that property.
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// If server developers know the HWND of the accessible element they want to annotate, they can use one of the following methods: SetHwndPropStr, SetHwndProp, or SetHwndPropServer
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func (obj *IAccPropServices) SetPropValue(idString []byte, idProp *MSAAPROPID, v *VARIANT) HRESULT {
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var idStringPtr unsafe.Pointer
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idStringLen := len(idString)
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if idStringLen != 0 {
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idStringPtr = unsafe.Pointer(&idString[0])
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}
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ret, _, _ := syscall.Syscall6(obj.LpVtbl.SetPropValue, 5,
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uintptr(unsafe.Pointer(obj)),
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uintptr(idStringPtr),
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uintptr(idStringLen),
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uintptr(unsafe.Pointer(idProp)),
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uintptr(unsafe.Pointer(v)),
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0)
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return HRESULT(ret)
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}
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// SetHwndProp wraps SetPropValue, providing a convenient entry point for callers who are annotating HWND-based accessible elements. If the new value is a string, you can use SetHwndPropStr instead.
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func (obj *IAccPropServices) SetHwndProp(hwnd HWND, idObject int32, idChild uint32, idProp *MSAAPROPID, v *VARIANT) HRESULT {
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ret, _, _ := syscall.Syscall6(obj.LpVtbl.SetHwndProp, 6,
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uintptr(unsafe.Pointer(obj)),
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uintptr(hwnd),
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uintptr(idObject),
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uintptr(idChild),
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uintptr(unsafe.Pointer(idProp)),
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uintptr(unsafe.Pointer(v)))
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return HRESULT(ret)
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}
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// SetHwndPropStr wraps SetPropValue, providing a more convenient entry point for callers who are annotating HWND-based accessible elements.
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func (obj *IAccPropServices) SetHwndPropStr(hwnd HWND, idObject int32, idChild uint32, idProp *MSAAPROPID, str string) HRESULT {
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str16, err := syscall.UTF16PtrFromString(str)
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if err != nil {
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return -((E_INVALIDARG ^ 0xFFFFFFFF) + 1)
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}
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ret, _, _ := syscall.Syscall6(obj.LpVtbl.SetHwndPropStr, 6,
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uintptr(unsafe.Pointer(obj)),
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uintptr(hwnd),
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uintptr(idObject),
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uintptr(idChild),
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uintptr(unsafe.Pointer(idProp)),
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uintptr(unsafe.Pointer(str16)))
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return HRESULT(ret)
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}
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// SetHmenuProp wraps SetPropValue, providing a convenient entry point for callers who are annotating HMENU-based accessible elements. If the new value is a string, you can use IAccPropServices::SetHmenuPropStr instead.
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func (obj *IAccPropServices) SetHmenuProp(hmenu HMENU, idChild uint32, idProp *MSAAPROPID, v *VARIANT) HRESULT {
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ret, _, _ := syscall.Syscall6(obj.LpVtbl.SetHmenuProp, 5,
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uintptr(unsafe.Pointer(obj)),
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uintptr(hmenu),
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uintptr(idChild),
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uintptr(unsafe.Pointer(idProp)),
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uintptr(unsafe.Pointer(v)),
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0)
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return HRESULT(ret)
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}
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// SetHmenuPropStr wraps SetPropValue, providing a more convenient entry point for callers who are annotating HMENU-based accessible elements.
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func (obj *IAccPropServices) SetHmenuPropStr(hmenu HMENU, idChild uint32, idProp *MSAAPROPID, str string) HRESULT {
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str16, err := syscall.UTF16PtrFromString(str)
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if err != nil {
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return -((E_INVALIDARG ^ 0xFFFFFFFF) + 1)
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}
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ret, _, _ := syscall.Syscall6(obj.LpVtbl.SetHmenuPropStr, 5,
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uintptr(unsafe.Pointer(obj)),
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uintptr(hmenu),
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uintptr(idChild),
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uintptr(unsafe.Pointer(idProp)),
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uintptr(unsafe.Pointer(str16)),
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0)
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return HRESULT(ret)
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}
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