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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 B+ R, Y' t* L( z1 g! m4 s+ T0 K& lName = (WCHAR *) L"Poke";
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+ Y6 R% o/ S- r2 [. B( E' U7 Q& h hr = m_pDisp->GetIDsOfNames (8 l# b- Y& q8 r& m+ ~. \$ h
IID_NULL, // reserved
5 {9 w, U% D5 b ?3 P &Name, // Array of names to get IDs for6 Y9 i* S# i- [ h# ]* Z1 k, K
1, // # of names in the array+ O( E1 w0 z! F3 @( k6 p+ \
LOCALE_SYSTEM_DEFAULT, // System locale) h& ]5 f& Q& B# T
&pokeID); // Array of IDs to fill on output
! l3 M/ @3 T9 V6 F % \, Z& z& }7 u' k! r
if (hr). M3 p! M; o1 L! T
{
) ^ I+ G/ m4 q _ MessageBox ("Get Poke Unsuccessful");
1 }' n$ h& m- R. U% |$ U" D) |& b$ f return;/ B" }3 ?! r, X1 } _/ w
}
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: I P1 M3 @; s9 a! b$ `( ~3 U/**************************传递数据给extend**************************************/
2 y0 `/ s; y' n pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);6 u- ]& {6 M9 h. O& O
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valueStr = SysAllocString((WCHAR *) L"1232");
$ V& m+ J: k: _1 I/ J VariantInit(&pokeVariant[0]); ( A F, K( q1 N7 Z5 n
pokeVariant[0].vt = VT_BSTR;3 u' A- O) f/ S0 f- X4 S( B& _
pokeVariant[0].bstrVal = valueStr;& o% n$ I9 n# R/ L! j
) j% c# x6 o0 U3 P# B; y itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");/ w' r$ c7 Z! _& s$ ]" K
VariantInit(&pokeVariant[1]);
$ R, [4 r% [& X0 {, i pokeVariant[1].vt = VT_BSTR;5 k9 P+ d7 N; {
pokeVariant[1].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");
7 ^$ y* q& L+ j VariantInit(&pokeVariant[2]);
) S2 O# v; z- O/ H3 {7 @- L pokeVariant[2].vt = VT_BSTR;8 j ^, l! E% T% a( |1 _
pokeVariant[2].bstrVal = topicStr;
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/ E9 d6 h8 z9 p# J& W// Set the DISPPARAMS structure that holds the variant.
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dp.rgvarg = pokeVariant;
! k, f5 M- I* h! e dp.cArgs = 3;! ^) r( W! m1 r9 e+ C+ u, x4 R: S/ z- H
dp.rgdispidNamedArgs = NULL;
! J6 _; l0 n7 w) H7 \% P5 `. Y dp.cNamedArgs = 0;
- |/ J8 C+ T: P
4 ~- h& a/ k/ D' F9 `0 t// Call IDispatch::Invoke()8 `5 R' R+ ?, s* d# Z- r
9 }2 b7 }& U! u* O0 w: h hr = m_pDisp->Invoke(
7 r0 M V. V1 {6 V pokeID,9 c" B* e; t! k, H
IID_NULL,$ w! R& ]8 w9 f6 z
LOCALE_SYSTEM_DEFAULT,3 x9 g0 b5 y# U' L8 x
DISPATCH_METHOD,
6 k# {7 m \& G; d) i; Q( I8 } &dp,9 U. P) b8 J, c) N0 N
NULL,6 H' ]. \1 W; c9 O- S5 V
&ei," n+ ^: L7 N( f0 w
&uiErr);, M0 J8 n3 ?! g3 y, A- h
# q, p* N; B, k SysFreeString(topicStr);, k# u, R; t3 C2 l. U% F L0 Z
SysFreeString(itemStr);) Z6 F2 Q0 b% {) N& ~
SysFreeString(valueStr);
. b4 A/ v) g2 z6 K6 {8 N: W+ q$ W* z0 }9 ?9 y1 E4 U
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???/ S/ ? d3 z+ [6 ^; }
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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2.这是request的程序+ p) F: u+ v1 Z8 i* _) |5 L" Y
// Request a value from Extend/ `4 U; m4 ^' Z3 P/ n
//
8 H3 ?- L+ ]' G+ R9 P$ P. X8 {// Initialize the variant that will hold the BSTR. Set the variant's. d! F& G1 W9 e' `3 V" ?1 N
// type flag to indicate the fact that this variant holds a BSTR. Place the
% x* E& b9 Z2 W, P// BSTR into the variant structure.
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5 S2 O; T' g+ D3 b9 i6 ` requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);+ i9 K7 g0 r2 r# c3 w [* @& q5 [, H f
$ A" r1 S$ q$ m+ Y3 j: ?
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");! W0 _* M2 S# ?- s3 {
VariantInit(&requestVariant[0]);
" {* q4 R% z: ^/ q: c requestVariant[0].vt = VT_BSTR;
7 Q9 Y# Q# v/ M" y1 T requestVariant[0].bstrVal = itemStr;
' `9 I2 ^; X0 w, X. p( g; F& b# L: N- m" s& C+ F: p3 |& q
topicStr = SysAllocString((WCHAR *) L"system");
0 I2 |) U+ T7 D7 A( \0 B2 t2 H VariantInit(&requestVariant[1]); 6 ^' h) ^: P {
requestVariant[1].vt = VT_BSTR;. K3 B7 E* I e7 h7 q
requestVariant[1].bstrVal = topicStr;
; Z$ o7 d+ m9 s6 g! M6 f% W. `
! a c0 a3 K7 y. n% s, X// Set the DISPPARAMS structure that holds the variant.
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dp2.rgvarg = requestVariant; L* s7 X& J- e9 @( Y" o7 Z
dp2.cArgs = 2;
8 @% w- h) Y% } H: o0 k2 J dp2.rgdispidNamedArgs = NULL;
# j+ j- z* A* c! I/ x! t dp2.cNamedArgs = 0;' D6 ?+ }- S8 \3 l: s# g
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var.vt = VT_EMPTY;& _# A6 h; A5 `/ ^
# w9 E( u q+ i$ y3 j// Call IDispatch::Invoke()" o7 P: d# t0 { C
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hr = m_pDisp->Invoke(
5 \6 r( Q# M* Y& d8 y ]$ v requestID,
7 n" ~* Y5 U9 {+ t& T IID_NULL,; ]. Y) w8 b6 K7 F
LOCALE_SYSTEM_DEFAULT,
1 {9 `, Y2 }9 Q DISPATCH_METHOD,/ ~1 @. R3 |9 M3 o; r6 s2 z/ `, k
&dp2,* z/ f; Y7 s3 y
&var," m5 [/ G# E. [$ F( h. r
&ei,: |9 P! R8 }' l* `1 W
&uiErr);
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SysFreeString(topicStr);1 {; K) A. `* T5 Q( {0 R6 x
SysFreeString(itemStr);
- Q: l" d5 L) V. o请问该程序是获得extend里面的哪个值?
# c9 ]: \( E) y, x, v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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