C 全域性滑鼠鍵盤Hook

原文出自:

using

system;
using
system.collections.generic;
using
system.reflection;
using
system.runtime.interopservices;
using
system.text;
using
system.windows.forms;
namespace
dciengine.framework.snap
//裝置鉤子的函式 
[dllimport("
user32.dll 
", charset = charset.auto, callingconvention =callingconvention.stdcall)]
public
static
extern
int setwindowshookex(int idhook, hookproc lpfn, intptr hinstance, int
threadid);
//卸下鉤子的函式 
[dllimport("
user32.dll 
", charset = charset.auto, callingconvention =callingconvention.stdcall)]
public
static
extern
bool unhookwindowshookex(int
idhook);
//下乙個鉤掛的函式 
[dllimport("
user32.dll 
", charset = charset.auto, callingconvention =callingconvention.stdcall)]
public
static
extern
int callnexthookex(int idhook, int
ncode, int32 wparam, intptr lparam);
[dllimport(
"user32 ")]
public
static
extern
int toascii(int uvirtkey, int uscancode, byte lpbkeystate, byte lpwtranskey, int
fustate);
[dllimport(
"user32 ")]
public
static
extern
int getkeyboardstate(byte
pbkeystate);
public
delegate
int hookproc(int
ncode, int32 wparam, intptr lparam);
//////
墨認的建構函式構造當前類的例項並自動的執行起來. 
/// 
public
keybordhook()
//析構函式. 
~keybordhook()
public
void
start()}}
public
void
stop()
//如果卸下鉤子失敗 
if (!(retkeyboard)) throw
new exception("
unhookwindowshookex   failed. ");
}private
int keyboardhookproc(int
ncode, int32 wparam, intptr lparam)
//引發onkeypressevent 
if (onkeypressevent != null && wparam ==wm_keydown)
}//引發onkeyupevent 
if (onkeyupevent != null && (wparam == wm_keyup || wparam ==wm_syskeyup))
}return
callnexthookex(hkeyboardhook, ncode, wparam, lparam);}}
//////
這個類可以讓你得到乙個在執行中程式的所有滑鼠事件 
///並且引發乙個帶mouseeventargs引數的.net滑鼠事件以便你很容易使用這些資訊 
/// 
public
class
mousehook
//宣告滑鼠鉤子的封送結構型別 
[structlayout(layoutkind.sequential)]
public
class
mousehookstruct
//裝置鉤子的函式 
[dllimport("
user32.dll 
", charset = charset.auto, callingconvention =callingconvention.stdcall)]
public
static
extern
int setwindowshookex(int idhook, hookproc lpfn, intptr hinstance, int
threadid);
//卸下鉤子的函式 
[dllimport("
user32.dll 
", charset = charset.auto, callingconvention =callingconvention.stdcall)]
public
static
extern
bool unhookwindowshookex(int
idhook);
//下乙個鉤掛的函式 
[dllimport("
user32.dll 
", charset = charset.auto, callingconvention =callingconvention.stdcall)]
public
static
extern
int callnexthookex(int idhook, int
ncode, int32 wparam, intptr lparam);
public
delegate
int hookproc(int
ncode, int32 wparam, intptr lparam);
//////
墨認的建構函式構造當前類的例項. 
/// 
public
mousehook()
//析構函式. 
~mousehook()
public
void
start()}}
public
void
stop()
//如果卸下鉤子失敗 
if (!(retmouse)) throw
new exception("
unhookwindowshookex   failed. ");
}private
int mousehookproc(int
ncode, int32 wparam, intptr lparam)
//從**函式中得到滑鼠的資訊 
mousehookstruct mymousehookstruct = (mousehookstruct)marshal.ptrtostructure(lparam, typeof
(mousehookstruct));
mouseeventargs e = new mouseeventargs(button, clickcount, mymousehookstruct.pt.x, mymousehookstruct.pt.y, 0
);                onmouseactivity(
this
, e);
}return
callnexthookex(hmousehook, ncode, wparam, lparam);}}
}

在vs中直接執行，hook將會失敗。

必須生成release然後直接執行exe才能生效。。

如果失敗的話，可以把**寒函式設定成靜態的

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