pb 程序之间的消息传递

ehxz

免费乐捐，感谢支持

一、发送消息
long   ll_handle,ll_rtn
string ls_msg,ls_len

Blob   lblob_snd

ll_handle = long(profilestring(guo_sys.is_inifile,'Set','handle','0'))//主程序窗口，可以通过FindWindowA取得
if ll_handle <> 0 then
  
ls_msg = '消息'
//计算整个要发送字符的长度，并转化为长度为10的字符串
ls_len = String(Len(ls_msg))
IF Len(ls_len) < 10 THEN
  ls_len = Space(10 - Len(ls_len))+ls_len
END IF

lblob_snd = Blob(ls_len + ls_msg)
SndMsg(ll_handle,1024,getcurrentprocessID(),lblob_snd)//发送pbm_custom01消息给主程序
end if

二、主程序接收消息（窗口的pbm_custom01事件）

//wparam  发送的进程ID

//lparam    发送的进程里的消息地址

Long   ll_null,ll_processhnd,ll_size
String ls_size,ls_data
blob   lb_data

If (wparam = 0) Or (lparam = 0) THEN RETURN

SetNull(ll_null)
ll_processhnd = openprocess(PROCESS_VM_READ,0,wparam);
//读取发送进程的内存数据

ls_size = Space(10) //数据的大小
ReadProcessMemoryStr(ll_processhnd,lparam,ls_size,10,ll_null)
ll_size = Long(Trim(ls_size))

lb_data = Blob(String(Space(ll_size)))

//读取消息内容
ReadProcessMemoryBlob(ll_processhnd,lparam+10,lb_data,ll_size,ll_null)

ls_data = String(lb_data)//接收到的消息
CloseHandle(ll_processhnd)

三、相关API

//接收相关

Function ulong OpenProcess(ulong dwDesiredAccess,ulong bInheritHandle,ulong dwProcessId) LIBRARY "kernel32.dll"
Function ulong CloseHandle(ulong  hObject) LIBRARY "kernel32.dll"
Function ulong ReadProcessMemoryStr(ulong hProcess,long lpBaseAddress,ref string lpBuffer,ulong nSize,ref long lpNumberOfBytesWritten) LIBRARY "kernel32.dll" Alias for "ReadProcessMemory"
Function ulong ReadProcessMemoryBlob(ulong hProcess,long lpBaseAddress,ref blob lpBuffer,ulong nSize,ref long lpNumberOfBytesWritten) LIBRARY "kernel32.dll" Alias for "ReadProcessMemory"
//发送相关

Function ulong GetCurrentProcessId() LIBRARY "kernel32.dll"
Function integer SndMsg(long hWnd, long uMsg, long url,  ref blob info) library "user32.dll" Alias For "SendMessageA"

telephone

学习了、。。。

lifei1210

收藏了，谢谢