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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 O) m/ y/ ?3 m& g( b* [7 D2 p
Name = (WCHAR *) L"Poke";4 K3 S# |" E z: { Q1 L0 ~
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hr = m_pDisp->GetIDsOfNames (/ a) j/ D( n2 D8 I
IID_NULL, // reserved: P6 j2 W6 O4 s3 N, D1 @
&Name, // Array of names to get IDs for; Z5 `' `. n( Q5 H4 }; T1 s
1, // # of names in the array
! j" W' a8 B# v4 h LOCALE_SYSTEM_DEFAULT, // System locale% p% G8 S% b( k/ H/ R* L5 o& h. S
&pokeID); // Array of IDs to fill on output
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8 M! w: h3 p* }! \ if (hr)8 N$ N) u1 S* n0 p' S! w( L+ G
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MessageBox ("Get Poke Unsuccessful");
/ ~9 L u$ Z$ d y4 ~* p u4 X, ]. X return;3 V1 r+ d* i) J0 a! S$ M# F
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/**************************传递数据给extend**************************************// w; c: I& f% o* K
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
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valueStr = SysAllocString((WCHAR *) L"1232");
2 b# Q3 M1 h* x- g2 }' f VariantInit(&pokeVariant[0]);
- c/ b3 H3 |0 u s+ v) a/ z8 Q! [+ q pokeVariant[0].vt = VT_BSTR;
. O3 z; B& }' f. } pokeVariant[0].bstrVal = valueStr;7 T) z# y* _2 I7 T5 ]/ H) _9 t
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");6 g+ M9 K( \( {1 D' `) H: P
VariantInit(&pokeVariant[1]); $ x) ~$ Z! j5 X- N' a2 \' K
pokeVariant[1].vt = VT_BSTR;& k1 j* |7 `4 \6 ^7 S0 l- t
pokeVariant[1].bstrVal = itemStr;3 @! u+ r" ~3 A2 J2 K' b
5 F4 ^4 l% I1 u! R4 s5 y topicStr = SysAllocString((WCHAR *) L"system");
# l& b9 u+ r/ \7 S5 [1 R; n5 W+ H VariantInit(&pokeVariant[2]); % r7 k \& Q& `9 h
pokeVariant[2].vt = VT_BSTR;( U4 D3 N3 n& o c6 ]; z5 X
pokeVariant[2].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.
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; |: ]2 w; i# N6 ?: @4 \ dp.rgvarg = pokeVariant;' @) P" s% ~, o( N3 K5 z/ Q
dp.cArgs = 3;
6 y! R' k: ]1 o7 f% s5 h! Q- W dp.rgdispidNamedArgs = NULL;6 {5 p5 |6 ]& y6 I% e
dp.cNamedArgs = 0;
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// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke(
* ? x" O* [! j/ d$ M0 w* ~, S pokeID,
( X9 m5 Y0 b$ f( E. q IID_NULL,9 a M1 ?8 M: R8 P* G- I
LOCALE_SYSTEM_DEFAULT,
+ s' Z0 v8 f& ~& H$ b2 M; R DISPATCH_METHOD,% ^5 G3 }7 F% a& k! ]* J
&dp,5 C/ S7 {8 ` y0 t3 e- w# K
NULL,
! M- E; U. z; l) G s/ o &ei,
7 o% E* j/ K/ q/ j3 d &uiErr);* c, M/ y, ^# ]$ t
. A0 w/ h: c* t- H% r; J SysFreeString(topicStr);
9 a, W$ k% w* b: ^ SysFreeString(itemStr);! T5 t& A9 z5 b3 [) V
SysFreeString(valueStr);: W5 ~, {2 {# D$ y r) s( E" J
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现在这个程序可以实现将1232这个数据发送到extend,extend有一个对话框弹出并出现1232这个数据,不知道这个对话框为什么会弹出并显示这个数据???
9 {( G% j' P' f7 _# ^* N6 m此外我希望将这个数据赋给extend程序里面的一个变量,请问如何实现????
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2.这是request的程序
0 y/ y5 B$ [3 {// Request a value from Extend8 @" v! K7 }9 [0 Q O
//
$ X* Z C7 o8 t$ l4 z1 \) W2 M// Initialize the variant that will hold the BSTR. Set the variant's% a, y4 r4 E9 j0 E. P+ P/ ~* i z
// type flag to indicate the fact that this variant holds a BSTR. Place the d. y# A+ @% M" u! q) b& N
// BSTR into the variant structure.
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
+ ]( F+ F! G, h VariantInit(&requestVariant[0]); + J* k* I( y! N
requestVariant[0].vt = VT_BSTR;9 O% l4 z) X/ Q. z& k9 A- C
requestVariant[0].bstrVal = itemStr;) v7 [% N8 j3 [3 S0 [
9 R3 G& Z' ]" X- K% c. i topicStr = SysAllocString((WCHAR *) L"system");: {! Z8 U, k4 [1 q8 \. o
VariantInit(&requestVariant[1]);
7 t# B! o, I; l/ {& Y7 L& \ requestVariant[1].vt = VT_BSTR;- U* d( [2 W2 Q# y* l& M" V( ^
requestVariant[1].bstrVal = topicStr;6 w, q. o3 K% ~( L8 O' e
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// Set the DISPPARAMS structure that holds the variant.
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/ ~% i+ j/ {# ^4 B3 {$ P dp2.rgvarg = requestVariant;' Q8 h9 |6 R E& b
dp2.cArgs = 2;; |: T6 V0 c) q) X3 C
dp2.rgdispidNamedArgs = NULL;% a- y/ P. k1 `; v" _8 q- a, c2 e
dp2.cNamedArgs = 0;, B3 ?7 ~2 s9 y$ r1 I1 P
P; v3 Y. l7 `: @ v7 } var.vt = VT_EMPTY;
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// Call IDispatch::Invoke()
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- k7 L( e3 J) w: S hr = m_pDisp->Invoke( e! G8 b* ]: j5 ^" w
requestID,: S3 Q: w& T7 d' O3 S B% z M
IID_NULL,% i; h+ m" h2 L& y; T( j: M; S
LOCALE_SYSTEM_DEFAULT,# ^* A, b, \' J, Z4 c3 [" _
DISPATCH_METHOD,1 {% M# V% F# {6 Q- a
&dp2,
+ `* L! K3 a4 A W/ z' p2 Y# B &var,8 l8 I1 h( Z9 \
&ei,% F; I9 m b4 |6 ?
&uiErr);
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+ I% A* g* o4 S# D/ e+ ? SysFreeString(topicStr);
1 X& ^1 k1 q! o$ | SysFreeString(itemStr);3 h$ T( c6 s+ ~; w
请问该程序是获得extend里面的哪个值?
- F" b( A; C1 ] s9 g; ~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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