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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:+ p; s. _% {1 G/ J6 \' `/ H
Name = (WCHAR *) L"Poke";
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hr = m_pDisp->GetIDsOfNames () D7 }$ T/ p3 u" k: g
IID_NULL, // reserved0 q1 U) v! ]9 s& F6 u2 c
&Name, // Array of names to get IDs for
U) ? t% j' \4 Z' ?( E6 |# A 1, // # of names in the array% c, j1 [* v8 @ k& H C8 o- E# r0 @
LOCALE_SYSTEM_DEFAULT, // System locale [, [$ W# b' A
&pokeID); // Array of IDs to fill on output
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! h8 m$ M# W. Z& ^, |4 { if (hr)
# z8 v) Q6 }9 W" c {
. ` w N5 o- J2 P: M MessageBox ("Get Poke Unsuccessful");
- M3 E2 @- I/ t* I% I8 l return;
, ?/ ?* v1 ]6 D. @: S: ? }
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/**************************传递数据给extend**************************************/
. B7 ~' F% J# z2 e) _- B pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);- f+ c4 T: |; C L2 a4 u( y
6 x2 D# h0 U$ z valueStr = SysAllocString((WCHAR *) L"1232");
2 i" c" L& u0 Z+ C0 x) D VariantInit(&pokeVariant[0]);
/ Q. Z3 B7 ]8 u pokeVariant[0].vt = VT_BSTR;
$ X$ j5 U+ `* |4 i* u pokeVariant[0].bstrVal = valueStr;
7 D: \# `# F6 ?7 V4 c/ a$ Z2 o5 H0 r! s: d7 Q+ H: }
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
) D3 G( D% [% ]- G. U, _0 g6 Q VariantInit(&pokeVariant[1]); + l" X$ K1 X2 T! L* f
pokeVariant[1].vt = VT_BSTR;4 }( D2 @. ]. G% A2 B/ z
pokeVariant[1].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");
$ \; ~0 t" u' ~- ?. \ VariantInit(&pokeVariant[2]);
5 k r' S& N5 I( [% g pokeVariant[2].vt = VT_BSTR;% T* W- ^+ Y; [
pokeVariant[2].bstrVal = topicStr;
& y. X: l5 j% K9 e
5 b" x& `- z- B0 y* t// Set the DISPPARAMS structure that holds the variant.0 N8 T" X8 U" `" t; Y+ z
: R" H, k5 I/ n5 }! u dp.rgvarg = pokeVariant;
7 B; m: h0 `7 l. {$ B% a' Q dp.cArgs = 3;
9 D3 U# _( I- R dp.rgdispidNamedArgs = NULL;
' M$ u* y0 r( `2 ~ dp.cNamedArgs = 0;+ J7 x) ?$ D" z
* g& `5 v/ k# h9 l4 q1 \, G// Call IDispatch::Invoke()
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/ P% d7 \& W! O4 G hr = m_pDisp->Invoke(
4 \1 \- Q# w0 }8 V pokeID,
& b; K* S+ E9 O. X IID_NULL,- Q& [. D! s% m* R3 Q
LOCALE_SYSTEM_DEFAULT,9 c; c# ]8 I0 X& H# R( x
DISPATCH_METHOD,
; B. V1 u6 `: x( x" U5 P &dp,
: g9 p6 K4 d( V4 d NULL,
. S$ S; {1 M: A &ei,
~: e) ]" k" _/ Z9 y' V* t &uiErr);( [4 o( v4 d1 B0 L
/ `2 A" b: |. W
SysFreeString(topicStr);- t9 e1 i6 o; z/ g, ?) h. W
SysFreeString(itemStr);
3 O9 W! |* c" J/ K* o x2 } SysFreeString(valueStr);
2 s! Y: T% I4 x
) a- [2 L a0 f% ~6 l. L1 ]) v& E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???
& y0 l S( ]- I; I! ]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0 Q8 `4 j% O% n9 I; z
// Request a value from Extend
3 A$ C8 ]7 V) E; H//
4 J4 _0 _0 A& R: u// Initialize the variant that will hold the BSTR. Set the variant's
# w5 T* D; u' e8 K) ^; ]$ a// type flag to indicate the fact that this variant holds a BSTR. Place the
1 Z- j% r- ^! m4 h# P; @// BSTR into the variant structure.) Q( `9 l+ s- r0 c% Q
1 A+ U& G5 ?+ n9 v5 W requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);9 r- ^8 g0 ^! T# d
+ Y" s" V9 s* T
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0"); s( m; N+ I: ]3 a* k7 H k
VariantInit(&requestVariant[0]);
9 E; E$ w# ~. |: b requestVariant[0].vt = VT_BSTR;/ b: i! I w. u
requestVariant[0].bstrVal = itemStr;! d+ L7 h, V }: r3 N
% b% Y% Z8 l$ D2 N0 s( h! ~/ t( |7 F/ t topicStr = SysAllocString((WCHAR *) L"system");
; e/ u! O, T) h! n4 j VariantInit(&requestVariant[1]); ; x0 R ^7 w7 [" A) R4 J3 `6 e
requestVariant[1].vt = VT_BSTR;3 b: s. K/ D5 K
requestVariant[1].bstrVal = topicStr;
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" @+ E7 N2 ^1 ]& o3 x// Set the DISPPARAMS structure that holds the variant.
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dp2.rgvarg = requestVariant;
4 p0 r6 T/ G7 w dp2.cArgs = 2;; c5 V- U! v. ^
dp2.rgdispidNamedArgs = NULL;: K! p, z! z9 y8 z5 s
dp2.cNamedArgs = 0;/ ~; H2 X/ P6 d4 c$ ~$ Z) n. L
1 z; e* A6 [2 w( O$ I var.vt = VT_EMPTY;! X% [6 X3 a$ o6 a: H
# W/ s' c, G3 u# U% _+ @3 b# c2 l4 U// Call IDispatch::Invoke() c4 `6 h" f% W* w9 Z. x- {
0 F( a/ M o) r$ { hr = m_pDisp->Invoke(
6 w( W- u$ c }$ l7 N6 r. J requestID,1 P7 A) C0 ]) n: {5 k
IID_NULL,
1 ?) _5 s; s' w1 K+ i$ u/ i LOCALE_SYSTEM_DEFAULT,- u0 [% |9 R! x' d% J
DISPATCH_METHOD,
( n+ x5 T" u% i6 O, g( c( O0 @ &dp2,
- { ^8 w2 s* ^: B &var,: v! K2 |/ l1 D3 e9 l
&ei,) K1 k% C* I ^1 X6 w' F0 ?
&uiErr);
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* h% G; |+ q- v SysFreeString(topicStr);* o2 e T0 o5 m! c o& Q& X
SysFreeString(itemStr); c) | @' a. v4 `
请问该程序是获得extend里面的哪个值?4 c5 j$ o* Y) @4 U+ |
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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