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: # ]3 _) x) W5 \4 {7 R: \2 o8 iName = (WCHAR *) L"Poke";4 n- w7 Z1 g; [* V4 V! h
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hr = m_pDisp->GetIDsOfNames ( $ z$ O' L# w7 t IID_NULL, // reserved : [/ k* D: v2 k8 S% h( P8 \6 P &Name, // Array of names to get IDs for# i( }4 ?+ j2 v* }7 A8 N
1, // # of names in the array 2 t, E# @4 R0 o/ ^& q$ L. H LOCALE_SYSTEM_DEFAULT, // System locale! `. E; i" w! ]- \
&pokeID); // Array of IDs to fill on output+ p4 Y8 O0 p2 z" L" @* o# L
0 [2 j$ c& X; c2 d if (hr)" [# |$ L' D0 G4 [
{" [! ~! F- ?+ G9 u- X3 l1 E
MessageBox ("Get Poke Unsuccessful"); $ w+ M: a p7 l! m6 b+ c return; , j# k5 x1 v/ s. k4 y# N5 c } * q4 ?( ~7 A% @9 {2 f0 n7 F! ? ; J- U( b% {) d3 g9 I/**************************传递数据给extend**************************************/" J- ]9 ]% Y% t& f5 f) R
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);9 E( |3 {9 V' R, j1 `- `3 ^0 S
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valueStr = SysAllocString((WCHAR *) L"1232");( v- ^7 X- `3 Y( U% I7 y
VariantInit(&pokeVariant[0]); 7 b* G) \5 M8 }" S0 [5 g$ [! n, ?: p
pokeVariant[0].vt = VT_BSTR; " d% x) Y L/ y, Q% @1 i" V' e pokeVariant[0].bstrVal = valueStr; 8 W2 _ s( X$ l6 D ( T# O& a$ _& K+ a k: d itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");/ H; S! |" |/ z$ e/ v3 x" S7 \
VariantInit(&pokeVariant[1]); 1 P( F6 |" F' A3 g; [
pokeVariant[1].vt = VT_BSTR; 3 n0 J; L6 \/ x+ m/ o pokeVariant[1].bstrVal = itemStr; - O; _+ Z! b3 U. V, c, j g9 y# Q( `( c( h- l8 P
topicStr = SysAllocString((WCHAR *) L"system"); . k% _" e( k, \& }! _- X VariantInit(&pokeVariant[2]); # y" H' I- C7 t6 p pokeVariant[2].vt = VT_BSTR; ! T/ W7 t( L% } pokeVariant[2].bstrVal = topicStr;) t, B7 m- }1 M5 A; z; T S
* V; @& k+ Y" Q0 I// Set the DISPPARAMS structure that holds the variant. 5 _5 ]& Y* y7 X. d4 T: H) T ? t3 ~, _5 o9 k3 _9 K& s
dp.rgvarg = pokeVariant;( L8 L3 K [6 a/ T& L- c" Q
dp.cArgs = 3;1 U( ~% P- L- y/ Q7 N8 J
dp.rgdispidNamedArgs = NULL;% a% N6 P# f- I0 y# s. m
dp.cNamedArgs = 0;! K% y) g7 E- S+ w$ ^
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// Call IDispatch::Invoke() P3 j8 ~- B. o3 ^3 Y
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hr = m_pDisp->Invoke(# b Z" {! { |5 I s- v2 M
pokeID,6 N3 B w/ l% k4 O; e7 y. u
IID_NULL,, A& N8 p8 C' ~( s4 Z7 ?, y
LOCALE_SYSTEM_DEFAULT,9 Y2 f1 r; v* ?
DISPATCH_METHOD, 4 H1 i9 i" G! A &dp, 1 z. @0 u* ~, U% F' q! t! H NULL, " ]$ X( b1 ~# a Y3 v4 m2 h &ei,( S1 S) l. p5 A* K) o
&uiErr); # F4 G3 U" n4 J! j2 { 8 `- Z( `* N! k1 f7 P' b! T+ K SysFreeString(topicStr);3 z5 w5 b1 T9 U9 j
SysFreeString(itemStr);' N' X) D w3 n j
SysFreeString(valueStr); 0 J' h# n8 r6 U3 p" K8 |# Q b+ [6 d3 n- q2 ~, A; \- R
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 g3 r& }. O/ A( x1 q, R0 e0 h
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????$ N1 r. L! y# U* ~5 I
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9 q: |' N c. L# w J- O0 Q2.这是request的程序1 I5 A- q, B0 n
// Request a value from Extend 0 Y) @# E: M1 T! _+ \; O// % a0 F% q6 l6 ]# B// Initialize the variant that will hold the BSTR. Set the variant's # N( h( V; R* Q6 X2 [4 J. s// type flag to indicate the fact that this variant holds a BSTR. Place the" x8 v- b3 H+ b: ?' W/ F
// BSTR into the variant structure.# F6 R$ e: s- E2 o( Q
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);/ ~. J; D- i, q: b* y
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0"); - m+ K" k4 d6 @: X+ O9 v4 U" D: Z VariantInit(&requestVariant[0]); # t! f, _6 e! J+ V! M8 I requestVariant[0].vt = VT_BSTR;) z7 s0 X4 f W) T! K6 u
requestVariant[0].bstrVal = itemStr; 3 m) c" ]& q7 E1 r4 h( [4 b' S$ a+ N
topicStr = SysAllocString((WCHAR *) L"system"); ( L/ _/ d% H" L VariantInit(&requestVariant[1]); * z% h. @$ m1 b. z. g% Q) l
requestVariant[1].vt = VT_BSTR;7 \1 i( P5 C8 s6 b" e
requestVariant[1].bstrVal = topicStr;" L7 m8 m- ^, h% K/ g, e
9 y, y! q2 ]3 O; Y4 _& P% B$ F9 ]7 }// Set the DISPPARAMS structure that holds the variant.+ l1 M. N& Q- B2 C$ U
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dp2.rgvarg = requestVariant; + k6 b$ T. B/ I0 L/ O. N3 Q dp2.cArgs = 2;' E2 [4 _) }" w# K& v& V$ r
dp2.rgdispidNamedArgs = NULL; 8 a: H; v' Y0 j5 ~4 Q$ m! H# t% t+ \ dp2.cNamedArgs = 0; ) v, y6 M- \% q- o5 E0 F$ D/ ]2 T1 z1 T
var.vt = VT_EMPTY;$ ^6 D9 L# f% {, O5 n' g
& v: e1 n W2 _4 c/ q0 {// Call IDispatch::Invoke() " H+ l4 n- \+ u' _" K, K- v' `+ D o
hr = m_pDisp->Invoke(7 ^8 O. b1 q" P5 n
requestID, # N5 a4 \6 c/ i: [ U IID_NULL,# s' A5 o- @1 O1 Z2 I, X2 H! g e
LOCALE_SYSTEM_DEFAULT,9 `) u! @: X* p
DISPATCH_METHOD,; X8 ?3 r8 ]' y) U9 u
&dp2, 4 ]; J1 y) E: j/ @: s- u( @3 X7 ^0 G &var, + y# E* W3 C+ Z &ei, 1 H9 `) v+ E- u% V! H" k &uiErr);. v6 J \5 |/ D3 X
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SysFreeString(topicStr); . d$ ]3 h1 L4 T SysFreeString(itemStr); 7 N0 c: H, W$ Q" A# I- N$ h请问该程序是获得extend里面的哪个值?( x9 i1 h6 ^. a. O8 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????