func Example_winsock() {
queryInterface := func(self *interface{}, interfaceID *com.GUID, client **interface{}) uint32 {
code := iunknown.QueryInterfaceService(self, interfaceID, *client)
if code == com.NoInterfaceErrorCode {
s := com.StringFromClassID(interfaceID)
if s == "{248DD893-BB45-11CF-9ABC-0080C7E7B78D}" {
iunknown.AddRefService(self)
*client = self
return com.SuccessResponseCode
}
}
return com.NoInterfaceErrorCode
}
getIDsOfNames := func(this *iunknown.IUnknown, iid *com.GUID, wnames []*uint16, namelen int, lcid int, pdisp []int32) uintptr {
for n := 0; n < namelen; n++ {
pdisp[n] = int32(n)
}
return uintptr(com.SuccessResponseCode)
}
invoke := func(this *IDispatch, dispid int32, riid *com.GUID, lcid int, flags int16, dispparams *com.DISPPARAMS, result *com.Variant, pexcepinfo *com.EXCEPINFO, nerr *uint) {
switch dispid {
case 0:
log.Println("DataArrival")
winsock := (*com.EventReceiver)(unsafe.Pointer(this)).host
var data com.Variant
com.VariantInit(&data)
CallMethod(winsock, "GetData", &data)
s := string(data.ToArray().ToByteArray())
println()
println(s)
println()
case 1:
log.Println("Connected")
winsock := (*com.EventReceiver)(unsafe.Pointer(this)).host
oleutil.CallMethod(winsock, "SendData", "GET / HTTP/1.0\r\n\r\n")
case 3:
log.Println("SendProgress")
case 4:
log.Println("SendComplete")
case 5:
log.Println("Close")
this.Release()
case 6:
log.Fatal("Error")
default:
log.Println(dispid)
}
return com.NotImplementedErrorCode
}
com.CoInitialize()
defer com.CoUninitialize()
var unknown *iunknown.Unknown
var winsock *Dispatch
err := com.CreateObject("{248DD896-BB45-11CF-9ABC-0080C7E7B78D}", &unknown)
if err != nil {
panic(err.Error())
}
unknown.QueryInterface(com.IDispatchInterfaceID, &winsock)
defer winsock.Release()
classID, _ := com.ClassIDFromString("{248DD893-BB45-11CF-9ABC-0080C7E7B78D}")
destination := &com.EventReceiver{}
destination.VirtualTable = &VirtualTable{
QueryInterface: syscall.NewCallback(queryInterface),
AddRef: syscall.NewCallback(iunknown.AddRefService),
Release: syscall.NewCallback(iunknown.ReleaseService),
GetTypeInfoCount: syscall.NewCallback(GetTypeInfoCountService),
GetTypeInfo: syscall.NewCallback(GetTypeInfoService),
GetIDsOfNames: syscall.NewCallback(getIDsOfNames),
Invoke: syscall.NewCallback(invoke)}
destination.Host = winsock
iconnectionpointcontainer.ConnectObject(winsock, classID, (*iunknown.Unknown)(unsafe.Pointer(destination)))
_, err = CallMethod(winsock, "Connect", "127.0.0.1", 80)
if err != nil {
log.Fatal(err)
}
var m com.Msg
for dest.ReferenceCount != 0 {
com.GetMessage(&m, 0, 0, 0)
com.DispatchMessage(&m)
}
}
// This tests more than one function. It tests all of the functions needed in
// order to retrieve a SafeArray populated with Strings.
func ExampleGetElementString_quickbooks() {
com.CoInitialize()
defer com.CoUninitialize()
clsid, err := com.ClassIDFromProgramID("QBXMLRP2.RequestProcessor.1")
if err != nil {
if err.(*com.OleError).Code() == com.COMObjectClassStringErrorCode {
return
}
t.Log(err)
t.FailNow()
}
var unknown *iunknown.Unknown
var dispatch *idispatch.Dispatch
err := com.CoCreateInstance(clsid, iunknown.InterfaceID, &unknown)
if err != nil {
return
}
defer unknown.Release()
err := unknown.QueryInterface(idispatch.InterfaceID, &dispatch)
if err != nil {
return
}
var result *com.Variant
_, err = idispatch.CallMethod(dispatch, "OpenConnection2", "", "Test Application 1", 1)
if err != nil {
return
}
result, err = idispatch.CallMethod(dispatch, "BeginSession", "", 2)
if err != nil {
return
}
ticket := result.ToString()
result, err = idispatch.GetProperty(dispatch, "QBXMLVersionsForSession", ticket)
if err != nil {
return
}
//
// Example begins.
//
var qbXMLVersions *COMArray
var qbXMLVersionStrings []string
qbXMLVersions = result.ToArray().Array
// Release Safe Array memory
defer Destroy(qbXMLVersions)
// Get array bounds
var LowerBounds int64
var UpperBounds int64
LowerBounds, err = GetLowerBound(qbXMLVersions, 1)
if err != nil {
return
}
UpperBounds, err = GetUpperBound(qbXMLVersions, 1)
if err != nil {
return
}
totalElements := UpperBounds - LowerBounds + 1
qbXMLVersionStrings = make([]string, totalElements)
for i := int64(0); i < totalElements; i++ {
qbXMLVersionStrings[int32(i)], _ = GetElementString(qbXMLVersions, i)
}
//
// Example ends.
//
result, err = idispatch.CallMethod(dispatch, "EndSession", ticket)
if err != nil {
return
}
result, err = idispatch.CallMethod(dispatch, "CloseConnection")
if err != nil {
return
}
}