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5仿真币
我现在用c++编写了一个程序,希望能够和extend交换数据,以及自动对extend进行一些操作。我参阅了例子里的关于OLE AUTOMATION方面的c++程序,但搞得不是很懂。比如说,c++程序向extend发送一个数据:4 ? _4 z3 F- f# t
Name = (WCHAR *) L"Poke";
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: I! k) }) O5 m( S hr = m_pDisp->GetIDsOfNames (7 F& ~ R3 w, J
IID_NULL, // reserved, j/ f* T: l$ f O3 {/ f
&Name, // Array of names to get IDs for
7 i3 p. W& J5 R 1, // # of names in the array" W: v/ B6 j% p2 q) [
LOCALE_SYSTEM_DEFAULT, // System locale
$ z F4 a$ h* @3 U% v &pokeID); // Array of IDs to fill on output
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0 ~; c T: q' t7 p8 N if (hr); q6 F C) C0 Q& A* e. V
{3 C' Z8 S, M% X
MessageBox ("Get Poke Unsuccessful");' Y. B3 V% a- Y/ V. V6 S+ e
return;
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( ^# Z( }0 H" d9 c! W% p+ ]/**************************传递数据给extend**************************************/: ]4 l! l6 b+ @5 c' ?8 s0 _
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
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valueStr = SysAllocString((WCHAR *) L"1232");
! s5 f$ @+ ^* x8 x# j- J l0 z% ^ VariantInit(&pokeVariant[0]);
6 I; B/ C9 o. c pokeVariant[0].vt = VT_BSTR; [9 n+ ~( S+ B& n4 U* \0 a
pokeVariant[0].bstrVal = valueStr;- }) Y: D4 e& p7 a' q
# H3 L" a- z ]& p) o2 Y: N itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
, R0 ` ^0 o7 B3 [; q% i VariantInit(&pokeVariant[1]);
! N* ]4 L5 z& E+ a$ O! h8 Y+ r$ r pokeVariant[1].vt = VT_BSTR;
1 [* s x8 |0 r9 X/ R5 y N* p pokeVariant[1].bstrVal = itemStr;
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+ d- T8 V1 V' U$ u. f+ W% m topicStr = SysAllocString((WCHAR *) L"system");
Y& Z, C- |' b. }4 O/ |% z, b VariantInit(&pokeVariant[2]);
T% W5 L4 s8 E" N, t) A# J; x pokeVariant[2].vt = VT_BSTR;7 g3 d4 A6 D, d3 W5 B
pokeVariant[2].bstrVal = topicStr;
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0 i, }6 d* c; G8 D1 l/ {// Set the DISPPARAMS structure that holds the variant.
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dp.rgvarg = pokeVariant;
8 R% P l- k/ n- Y. A dp.cArgs = 3;2 f$ p+ k5 I7 o, V8 \1 t x4 B
dp.rgdispidNamedArgs = NULL;
5 t& m$ X& s" u9 s dp.cNamedArgs = 0;
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// Call IDispatch::Invoke()+ ^3 ^ K; x# K: ~! e B
+ K6 q! G6 [$ O hr = m_pDisp->Invoke(
O5 S! q8 v3 \& q. l pokeID,+ ~7 Z5 ^/ @0 c) L& W
IID_NULL," ^6 N ~+ E5 {
LOCALE_SYSTEM_DEFAULT,
! v/ S/ [8 M9 r2 `/ A7 D: I ] DISPATCH_METHOD,
# Z- {, [# Z2 n3 f* j9 s &dp,1 |! k/ V+ A8 F# r+ t; `/ K+ ^
NULL,
2 V5 o& w" }! \6 g &ei,
. ~+ ^9 z2 @2 s p' ^5 N" X &uiErr);
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SysFreeString(topicStr);4 H7 Z* w1 l& ]1 e3 k) r7 {+ I
SysFreeString(itemStr);
6 p2 Q7 S1 U( y SysFreeString(valueStr);
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现在这个程序可以实现将1232这个数据发送到extend,extend有一个对话框弹出并出现1232这个数据,不知道这个对话框为什么会弹出并显示这个数据???6 U! S$ Q7 X" M' O
此外我希望将这个数据赋给extend程序里面的一个变量,请问如何实现????& [2 D/ o' Q0 U' z& N5 l: ^
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2.这是request的程序
; x- V& H& O+ ^* a% x// Request a value from Extend
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// Initialize the variant that will hold the BSTR. Set the variant's
6 T5 ^1 d: Q4 k) h& f// type flag to indicate the fact that this variant holds a BSTR. Place the, G5 }- q2 v) U6 R, V
// BSTR into the variant structure.
3 g5 h9 f& `/ {
: z9 x8 u% g' Y5 [- B requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);7 e3 ^& t2 t) f8 ^
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");, C& t- @4 K7 m% {
VariantInit(&requestVariant[0]); 6 h; J7 @7 B/ A5 B9 g
requestVariant[0].vt = VT_BSTR;
. c! ?& H7 o7 G/ w requestVariant[0].bstrVal = itemStr;; S' E* E' v$ Q$ ~( Q: _# L' D
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topicStr = SysAllocString((WCHAR *) L"system");
6 z8 [( y8 M8 m' t( H9 V. Y w VariantInit(&requestVariant[1]);
* p' I- h; G+ O. y% d requestVariant[1].vt = VT_BSTR;' U6 o7 ]- h4 Q1 K6 o$ x
requestVariant[1].bstrVal = topicStr;. J, ^" A3 ^" W) h- P! `5 [
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// Set the DISPPARAMS structure that holds the variant.8 d6 d$ k$ R/ W4 @- k4 z
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dp2.rgvarg = requestVariant;! ?( K% `6 D2 G0 f* \8 L
dp2.cArgs = 2;
- r x" y' {, d* {, q dp2.rgdispidNamedArgs = NULL;
7 \9 D: ?& W6 k7 N1 a$ \ dp2.cNamedArgs = 0;
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var.vt = VT_EMPTY;
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// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke(
+ U3 C+ W( n2 c6 F5 M requestID,, r2 u: w+ r; C% ~1 g0 V1 A
IID_NULL,
( i8 F* [4 V4 _- l6 k5 V( u LOCALE_SYSTEM_DEFAULT,- o8 m+ |; {2 t+ g. y% A4 D7 o
DISPATCH_METHOD,
' O+ P U* d( h6 c q& ` &dp2,
. s% u3 Y2 n0 f &var,2 z1 }' ~7 L' S' ~. \) i
&ei,1 t- c3 Z% l* e) [* L
&uiErr);
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SysFreeString(topicStr);6 R/ T; V3 C% {& s4 I% i4 o7 V+ {
SysFreeString(itemStr); l+ n( `7 }/ J2 X+ |: N8 {
请问该程序是获得extend里面的哪个值?' f( F# y" f2 e4 G# h- l
如果我希望获得extend程序里面的某个变量的数值,那个c++程序应该如何实现???? |
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