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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:6 F& J$ F: ^% `0 l9 h
Name = (WCHAR *) L"Poke";
8 S% q- v/ s8 a+ j* \# Y + Q* E, c' L8 E" {, ?
hr = m_pDisp->GetIDsOfNames (
; F0 S$ J5 |' R6 X IID_NULL, // reserved. G4 j% K9 L9 F0 \6 U4 b: r4 \
&Name, // Array of names to get IDs for% ]& N7 e7 g& ?$ v$ K% h
1, // # of names in the array
3 d5 ~( q7 |* a3 K, t( g LOCALE_SYSTEM_DEFAULT, // System locale* z: Q: z0 m/ ~% f: X6 Q
&pokeID); // Array of IDs to fill on output3 P% {! t+ g9 a0 Y' S/ t9 v
8 {$ p2 T$ h' b. {6 y
if (hr)3 D/ q0 }3 M8 m: c9 }* q- H
{. V! K( }8 g' S- |+ w
MessageBox ("Get Poke Unsuccessful");
% r- b x% p9 J: m) K+ D4 O return;3 E0 a/ P. x% \* Q
}# C5 P" T. y& M, Z9 ~( x: l
# f- P- |0 G+ m5 L/**************************传递数据给extend**************************************/% o1 \6 w" ]' p$ i' @% _
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);# H# H. w, u3 C( b
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valueStr = SysAllocString((WCHAR *) L"1232");
+ A; [& s& Y1 O7 j2 W VariantInit(&pokeVariant[0]); 5 o6 |8 ^4 [% X% X3 l7 p8 ^
pokeVariant[0].vt = VT_BSTR;' n2 e' q( n& r- z# V3 I( Z y( L
pokeVariant[0].bstrVal = valueStr;+ v8 s% M. Z% \
2 G7 E& X2 ]. }" g( K1 m1 n itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");6 z/ s0 z& M! j8 C. \6 I
VariantInit(&pokeVariant[1]);
4 V' W/ o/ l! D; j B) I pokeVariant[1].vt = VT_BSTR;
; U0 x& O! v" z" A; p( } u* d pokeVariant[1].bstrVal = itemStr;+ D* M$ [) U0 B. H) F
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topicStr = SysAllocString((WCHAR *) L"system");
8 ^( d. c: Y8 n VariantInit(&pokeVariant[2]);
; t1 m2 e3 L0 \, J; X pokeVariant[2].vt = VT_BSTR;
6 k3 d! t# q3 I% Y pokeVariant[2].bstrVal = topicStr;
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. F& D1 q3 A6 \// Set the DISPPARAMS structure that holds the variant.
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dp.rgvarg = pokeVariant;+ J0 }+ y" S) j* d
dp.cArgs = 3;, q' z1 b" I3 }4 D& U2 \
dp.rgdispidNamedArgs = NULL;4 B' S2 d1 m; D B9 P
dp.cNamedArgs = 0;9 ^( i7 `% \! M* X# m
" m! x+ X( [- s0 T8 s$ B// Call IDispatch::Invoke(). T$ m7 R# z6 v5 {
$ w8 Y; G" Z) \, |4 O" J hr = m_pDisp->Invoke(, ]2 k" E" t2 z2 q
pokeID,
; r$ g( Y' v& B IID_NULL," e) ~" U3 O- D0 O/ A
LOCALE_SYSTEM_DEFAULT,, ]. b9 y, @* p7 ?3 x& a. h
DISPATCH_METHOD,
8 V+ e- J" L# l9 c/ J, I &dp, H+ ~- t3 Q( \
NULL,( c4 \' _7 d7 ^" z7 r
&ei,
J6 F* x8 V' [" O/ V& J8 { &uiErr);0 F/ a8 E! p/ O0 J
$ O& ~9 Y, j0 i7 x0 m9 a) h SysFreeString(topicStr);( |6 g* W( g* r& P. `8 `" h
SysFreeString(itemStr);6 H* R! X3 n. C K( [# T4 k- {
SysFreeString(valueStr);
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' u9 C' t. z. I% t7 N, S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 }+ G: C1 S5 r5 P/ Q6 z- e7 A# k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????/ l$ R" ^2 }1 M# {
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2.这是request的程序
6 |% b; z4 Y- F5 }9 @& ~) L. k// Request a value from Extend) d1 {' R/ Q0 h- k6 {
//
8 E5 r# e1 [9 U# H8 v: V# G, j' u// Initialize the variant that will hold the BSTR. Set the variant's* ~, c$ G# n+ {/ S# [9 ?7 s# W
// type flag to indicate the fact that this variant holds a BSTR. Place the
& s: j, o; X2 j( w5 D; g// BSTR into the variant structure.
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);% S: T% R8 {5 \# j4 y
; o5 d! ?* A: Y; y
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
! b% u( B4 p1 p VariantInit(&requestVariant[0]); - Y- v3 i! l3 G
requestVariant[0].vt = VT_BSTR;+ q+ _/ g9 g: v
requestVariant[0].bstrVal = itemStr;. X+ q9 p, \' [2 B- o
: t% }. T/ i. m3 ~) P: d( q: m topicStr = SysAllocString((WCHAR *) L"system");0 D( I7 ^. I7 G
VariantInit(&requestVariant[1]);
9 |/ R- u; B C) }5 V! N( x requestVariant[1].vt = VT_BSTR;6 g7 n) X+ z2 O# }
requestVariant[1].bstrVal = topicStr;
2 q' |7 b5 y( ~- K$ \
! Y: C& B3 X# @5 B' E// Set the DISPPARAMS structure that holds the variant.
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dp2.rgvarg = requestVariant;
# {5 X* f3 Q: b4 ~; F5 M( k dp2.cArgs = 2;
3 H, M+ ]; I/ c& Y; V( _% i1 n' L dp2.rgdispidNamedArgs = NULL;
. I. Q& [; ~7 ~! B$ Q9 e dp2.cNamedArgs = 0;
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! \& `2 w V6 y b6 _% O- j4 p var.vt = VT_EMPTY;
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// Call IDispatch::Invoke()& T6 L- `. V; k- y, e& ^
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hr = m_pDisp->Invoke(
/ |! G2 P! e0 C0 M requestID,
$ ~$ ` o' Q: y6 f T3 Z/ {$ | IID_NULL,. ~# }# S8 p+ H; b2 ?
LOCALE_SYSTEM_DEFAULT,
: K! R& \2 @; K DISPATCH_METHOD,: g: j9 J% s5 u7 D
&dp2,
8 j, l2 f; X" z) I &var,' }5 Q% O& V' ~% W+ R- u% [
&ei,' ?9 \. |4 S3 p9 U; G0 _
&uiErr);/ A) c: c+ _8 A7 \9 O
4 g- S9 A; v* b) T+ h4 T( f- d SysFreeString(topicStr);) G3 u% s2 s, U5 r' \
SysFreeString(itemStr);
[- `. z+ Y! M请问该程序是获得extend里面的哪个值?# V) `/ j! k, E4 L- Y
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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