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bind function SetLayeredWindowAttributes #46

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bind function SetLayeredWindowAttributes #46

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14 changes: 14 additions & 0 deletions user32.go
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Original file line number Diff line number Diff line change
Expand Up @@ -1648,6 +1648,7 @@ var (
updateWindow uintptr
windowFromDC uintptr
windowFromPoint uintptr
setLayeredWindowAttributes uintptr
)

func init() {
Expand Down Expand Up @@ -1779,6 +1780,7 @@ func init() {
updateWindow = MustGetProcAddress(libuser32, "UpdateWindow")
windowFromDC = MustGetProcAddress(libuser32, "WindowFromDC")
windowFromPoint = MustGetProcAddress(libuser32, "WindowFromPoint")
setLayeredWindowAttributes = MustGetProcAddress(libuser32, "SetLayeredWindowAttributes")
}

func AddClipboardFormatListener(hwnd HWND) bool {
Expand Down Expand Up @@ -2899,3 +2901,15 @@ func WindowFromPoint(Point POINT) HWND {

return HWND(ret)
}

func SetLayeredWindowAttributes(hwnd HWND, crKey COLORREF, bAlpha byte, dwFlags uint32) bool {
ret, _, _ := syscall.Syscall6(setLayeredWindowAttributes, 4,
uintptr(hwnd),
uintptr(crKey),
uintptr(bAlpha),
uintptr(dwFlags),
0,
0)

return ret != 0
}