Go编译exe程序指定图标

<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
<assembly xmlns="urn:schemas-microsoft-com:asm.v1" manifestVersion="1.0">
<assemblyIdentity
    version="1.0.0.0"
    processorArchitecture="x86"
    name="controls"
    type="win32"
></assemblyIdentity>
<dependency>
    <dependentAssembly>
        <assemblyIdentity
            type="win32"
            name="Microsoft.Windows.Common-Controls"
            version="6.0.0.0"
            processorArchitecture="*"
            publicKeyToken="6595b64144ccf1df"
            language="*"
        ></assemblyIdentity>
    </dependentAssembly>
</dependency>
</assembly>

package main
import (
    "github.com/visualfc/rsrc/rsrc"
    "syscall"
)
var (
    kernel32                    = syscall.NewLazyDLL("kernel32.dll")
    procSetConsoleIcon          = kernel32.NewProc("SetConsoleIcon")
)

func main() {
    rsrc.Init()
    setIcon("myapp.ico")
}

func setIcon(iconFilePath string) {
    hIcon, err := syscall.LoadIcon(0, syscall.MAKEINTRESOURCE(1))
    if err != nil {
        panic(err)
    }

    err = procSetConsoleIcon.Find()
    if err == nil {
        syscall.SetLastError(procSetConsoleIcon.Call(uintptr(hIcon)))
        return
    }

    var hwnd uintptr
    syscall.NewLazyDLL("user32.dll").NewProc("GetForegroundWindow").Call(uintptr(unsafe.Pointer(&hwnd)))

    if hwnd == 0 {
        syscall.NewLazyDLL("user32.dll").NewProc("GetDesktopWindow").Call(uintptr(unsafe.Pointer(&hwnd)))
    }

    syscall.NewLazyDLL("user32.dll").NewProc("SendMessageW").Call(hwnd, 0x80 /*WM_SETICON*/, 1 /*ICON_SMALL*/, uintptr(hIcon))
}