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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:
/ [+ t# A6 ]3 m+ M) u) _2 ?Name = (WCHAR *) L"Poke";
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hr = m_pDisp->GetIDsOfNames (
7 L! J5 L$ S; H IID_NULL, // reserved
$ a8 d% ^2 p+ |# e; t, i* e7 J! ] &Name, // Array of names to get IDs for8 U) ^2 ^3 o% L- d, K
1, // # of names in the array' Q/ e; m) x0 {
LOCALE_SYSTEM_DEFAULT, // System locale
* {" q. C$ J! ]: w &pokeID); // Array of IDs to fill on output% L! o% [, t1 T, j; |, @ E' T3 t [
, R4 E- Z% i0 e6 o if (hr)
( Q+ h$ T7 E8 y) W0 t {
3 z" }5 K+ o+ B" y MessageBox ("Get Poke Unsuccessful");
8 \' F& N- G9 o' Y/ D! t return;
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/**************************传递数据给extend**************************************/
% L2 R3 M$ r7 u+ w pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);3 ^# ?( J. _7 Y0 {! X7 w0 T2 I
?% g6 A6 M# M) w6 a
valueStr = SysAllocString((WCHAR *) L"1232");
7 v" D8 `- A9 ~0 l* r VariantInit(&pokeVariant[0]);
3 b2 \- m+ K$ G/ }) {3 g) H8 A pokeVariant[0].vt = VT_BSTR;
& r. y4 v" `& H$ x pokeVariant[0].bstrVal = valueStr;5 m, z1 i: z. P
. q0 H" w& ]& @) s" v' [& w; } itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");( I: ^* q, }& P4 L3 c. }
VariantInit(&pokeVariant[1]);
& {& w% r% H7 }/ b pokeVariant[1].vt = VT_BSTR;% u3 Q0 d. J8 k& s' v i7 y
pokeVariant[1].bstrVal = itemStr;
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0 d! K, b% ], N4 c$ d topicStr = SysAllocString((WCHAR *) L"system");
: E; t" l2 x, Y VariantInit(&pokeVariant[2]);
: q6 t0 H ?: b) K" S, b pokeVariant[2].vt = VT_BSTR;
5 R% v7 N3 r6 f& R% _$ `# i% Z9 q pokeVariant[2].bstrVal = topicStr;# ` b" P. S2 X' V6 z
4 [* P- P' R1 b+ ~" G Z. ~// Set the DISPPARAMS structure that holds the variant.0 [! E7 n5 I: {# E
9 e! M1 l& V6 e, A- ]4 B2 G dp.rgvarg = pokeVariant;. @/ ]' t. |9 D7 v n8 g% b
dp.cArgs = 3;, S3 w( G, Q' X( [8 k! Z- Y& T
dp.rgdispidNamedArgs = NULL;
: G) L: ]* i- x, Z2 n4 r) X dp.cNamedArgs = 0;) M& r/ U7 j2 Z$ g- `
: d0 O. U' ?6 z
// Call IDispatch::Invoke()
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% B9 k% E" u0 w hr = m_pDisp->Invoke(
' M* U% D& w7 u& Q7 a8 {% P& ] pokeID,
* R9 R5 r* M/ D% ` IID_NULL,2 b* W+ y& V( N8 g
LOCALE_SYSTEM_DEFAULT,
- }# V8 D. `7 D* D5 w* ~ DISPATCH_METHOD,
8 l/ E+ C _/ q: l. r' ?4 ~) \& P &dp,
: p6 Y9 I# a) h U NULL," _ p9 [( ?$ O$ l
&ei,
9 y: n# w7 x- g' {- L B9 P. C &uiErr);9 @8 U- f( G" v W
/ [0 X. z8 u& r( x8 @" x1 l
SysFreeString(topicStr);
- }& m. }- ^: k7 L; P L5 f" U SysFreeString(itemStr);
' j) f" y7 h# b j# J0 z SysFreeString(valueStr);7 v( u5 U" e$ p1 \1 K2 X7 @
+ }, L) k5 f5 T0 J; \
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???( G) d3 h! ]8 \3 T, a4 S
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????
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1 T1 q V+ P9 V% C. }
- q& o+ B5 c$ H: n1 U5 p0 x2.这是request的程序; @6 `4 U& F, @& b
// Request a value from Extend- b0 [; [8 q3 q$ Q
//
' l" t+ s; _7 Y* S+ y8 f+ _" T/ D2 L// Initialize the variant that will hold the BSTR. Set the variant's
9 Y% C z! ?* n7 s$ R [// type flag to indicate the fact that this variant holds a BSTR. Place the. W# A' b! u7 D
// BSTR into the variant structure.
* b9 W6 U! M0 w. q Y4 g: J7 S0 ]$ R. G
requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);: A% G Y* K9 T
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
7 S: C$ g/ o, L% w* U4 b# E- t n# u VariantInit(&requestVariant[0]);
: V# T m) p. v6 p3 M6 N5 G requestVariant[0].vt = VT_BSTR;& ]1 G7 [; f* G3 N2 n b* P
requestVariant[0].bstrVal = itemStr;4 G: A7 {9 f, Z9 f; r
' L" ]5 ]4 F& O4 _4 b
topicStr = SysAllocString((WCHAR *) L"system");3 r% o7 K% q+ w+ X; e
VariantInit(&requestVariant[1]);
7 {% e3 I. l. I4 ~" l, q6 W requestVariant[1].vt = VT_BSTR;: @9 k' ~4 c9 u2 k
requestVariant[1].bstrVal = topicStr;( q$ o' g! y% b7 E. O
' X$ |% j$ ?" h' T// Set the DISPPARAMS structure that holds the variant.
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dp2.rgvarg = requestVariant;
1 R9 P' q4 \2 c g9 x9 b dp2.cArgs = 2;$ y% V3 q5 J a5 y
dp2.rgdispidNamedArgs = NULL;$ r8 `, T0 N8 |! ^
dp2.cNamedArgs = 0;
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var.vt = VT_EMPTY;9 i8 y' l5 c- j1 n' A% @
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// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke(3 o! ]8 a, f C: R9 o) b
requestID,
7 Z- D/ o4 ]; c! ~: G! l! _ IID_NULL,: s3 Q2 t/ e+ M9 Y4 Y9 Q9 ~+ W! O
LOCALE_SYSTEM_DEFAULT,
6 |/ a/ U, b, C* s8 t. Y8 k7 C DISPATCH_METHOD,4 c/ G1 G9 t% _* P
&dp2,
$ h3 f2 a. p( y' D# g& q9 t6 [ &var,
/ W: N8 z; U8 U7 O" Z* Z7 F; g( n) C &ei,# p" `4 @3 w; a" T$ m) Z% T v `
&uiErr);9 M$ f7 ~ Z; b
2 f! r5 [6 v; N SysFreeString(topicStr);
4 y2 F8 J' Q/ G+ C SysFreeString(itemStr); `2 F3 T$ L% B
请问该程序是获得extend里面的哪个值?2 y: v/ n8 v: O X* S& x
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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