delphi编程来记录QQ的聊天记录
2011-02-25 16:03
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本文主要讲的是如何使用delphi编程来记录QQ的聊天记录,下面是主要代码,供参考:
function Process_ReadRichEditText(AHandle: THandle): WideString;
var
vGetTextEx: GETTEXTEX;
vGetTextLengthEx: GETTEXTLENGTHEX;
L: Integer; vProcessId: DWORD;
vProcess: THandle;
vPointer: Pointer;
vNumberOfBytesRead: Cardinal;
begin
Result := '';
if not IsWindow(AHandle) then Exit;
GetWindowThreadProcessId(AHandle, @vProcessId);
vProcess := OpenProcess(PROCESS_VM_OPERATION or PROCESS_VM_READ or
PROCESS_VM_WRITE, False, vProcessId);
try
vPointer := VirtualAllocEx(vProcess, nil, 4096, MEM_RESERVE or MEM_COMMIT,
PAGE_READWRITE);
vGetTextLengthEx.flags := GTL_DEFAULT;
vGetTextLengthEx.codepage := 1200; // Unicode
WriteProcessMemory(vProcess, vPointer, @vGetTextLengthEx,
SizeOf(vGetTextLengthEx), vNumberOfBytesRead);
L := SendMessage(AHandle, EM_GETTEXTLENGTHEX, Integer(vPointer), 0);
VirtualFreeEx(vProcess, vPointer, 0, MEM_RELEASE);
if L <= 0 then Exit;
vPointer := VirtualAllocEx(vProcess, nil, SizeOf(vGetTextEx) + L * 2 + 2,
MEM_RESERVE or MEM_COMMIT, PAGE_READWRITE);
SetLength(Result, L);
vGetTextEx.cb := L * 2 + 2;
vGetTextEx.flags := GT_DEFAULT;
vGetTextEx.codepage := 1200; // Unicode
vGetTextEx.lpDefaultChar := nil;
vGetTextEx.lpUsedDefChar := nil;
WriteProcessMemory(vProcess, vPointer, @vGetTextEx,
SizeOf(vGetTextEx), vNumberOfBytesRead);
SendMessage(AHandle, EM_GETTEXTEX, Integer(vPointer),
Integer(vPointer) + SizeOf(vGetTextEx));
ReadProcessMemory(vProcess, Pointer(Integer(vPointer) + SizeOf(vGetTextEx)),
@Result[1], L * 2, vNumberOfBytesRead);
VirtualFreeEx(vProcess, vPointer, 0, MEM_RELEASE);
finally
CloseHandle(vProcess);
end;
end;
{ Process_ReadRichEditText }
function GetProcessName(AProcessID: THandle): string;
var
vBuffer: array[0..MAX_PATH] of Char;
vProcess: THandle;
begin
vProcess := OpenProcess(PROCESS_QUERY_INFORMATION or PROCESS_VM_READ, False,
AProcessID);
try
if GetModuleBaseName(vProcess, 0, vBuffer, SizeOf(vBuffer)) > 0 then
Result := vBuffer
else Result := '';
finally
CloseHandle(vProcess);
end;
end;
{ GetProcessName }
function EnumChild(hwnd: HWND; lParam: LPARAM): BOOL; stdcall;
var
vBuffer: array[0..255] of Char;
begin
Result := True;
if not IsWindowVisible(hwnd) then Exit; // 不可见
GetClassName(hwnd, vBuffer, SizeOf(vBuffer));
if SameText(vBuffer, 'RichEdit20A') then
begin
if GetWindowLong(hwnd, GWL_STYLE) and ES_READONLY <> ES_READONLY then // 非只读
begin
PInteger(lParam)^ := hwnd;
Result := False;
end;
end;
end;
{ EnumChild }
function EnumFunc(hwnd: HWND; lParam: LPARAM): BOOL; stdcall;
var
vBuffer: array[0..255] of Char;
vProcessId: THandle;
begin
Result := True;
if not IsWindowVisible(hwnd) then Exit; // 不可见
GetClassName(hwnd, vBuffer, SizeOf(vBuffer));
if SameText(vBuffer, '#32770') then
begin
GetWindowThreadProcessId(hwnd, vProcessId);
if SameText(GetProcessName(vProcessId), 'qq.exe') then
begin
GetWindowText(hwnd, vBuffer, SizeOf(vBuffer));
if Pos('交谈中', vBuffer) > 0 then // 标题中含"聊天中"
begin
EnumChildWindows(hwnd, @EnumChild, lParam);
Result := False;
end;
end;
end;
end;
procedure TForm1.Button1Click(Sender: TObject);
var
vHandle: THandle;
begin
vHandle := 0;
EnumWindows(@EnumFunc, Integer(@vHandle));
if vHandle = 0 then Exit;
Memo1.Text := Process_ReadRichEditText(vHandle);
end;
function Process_ReadRichEditText(AHandle: THandle): WideString;
var
vGetTextEx: GETTEXTEX;
vGetTextLengthEx: GETTEXTLENGTHEX;
L: Integer; vProcessId: DWORD;
vProcess: THandle;
vPointer: Pointer;
vNumberOfBytesRead: Cardinal;
begin
Result := '';
if not IsWindow(AHandle) then Exit;
GetWindowThreadProcessId(AHandle, @vProcessId);
vProcess := OpenProcess(PROCESS_VM_OPERATION or PROCESS_VM_READ or
PROCESS_VM_WRITE, False, vProcessId);
try
vPointer := VirtualAllocEx(vProcess, nil, 4096, MEM_RESERVE or MEM_COMMIT,
PAGE_READWRITE);
vGetTextLengthEx.flags := GTL_DEFAULT;
vGetTextLengthEx.codepage := 1200; // Unicode
WriteProcessMemory(vProcess, vPointer, @vGetTextLengthEx,
SizeOf(vGetTextLengthEx), vNumberOfBytesRead);
L := SendMessage(AHandle, EM_GETTEXTLENGTHEX, Integer(vPointer), 0);
VirtualFreeEx(vProcess, vPointer, 0, MEM_RELEASE);
if L <= 0 then Exit;
vPointer := VirtualAllocEx(vProcess, nil, SizeOf(vGetTextEx) + L * 2 + 2,
MEM_RESERVE or MEM_COMMIT, PAGE_READWRITE);
SetLength(Result, L);
vGetTextEx.cb := L * 2 + 2;
vGetTextEx.flags := GT_DEFAULT;
vGetTextEx.codepage := 1200; // Unicode
vGetTextEx.lpDefaultChar := nil;
vGetTextEx.lpUsedDefChar := nil;
WriteProcessMemory(vProcess, vPointer, @vGetTextEx,
SizeOf(vGetTextEx), vNumberOfBytesRead);
SendMessage(AHandle, EM_GETTEXTEX, Integer(vPointer),
Integer(vPointer) + SizeOf(vGetTextEx));
ReadProcessMemory(vProcess, Pointer(Integer(vPointer) + SizeOf(vGetTextEx)),
@Result[1], L * 2, vNumberOfBytesRead);
VirtualFreeEx(vProcess, vPointer, 0, MEM_RELEASE);
finally
CloseHandle(vProcess);
end;
end;
{ Process_ReadRichEditText }
function GetProcessName(AProcessID: THandle): string;
var
vBuffer: array[0..MAX_PATH] of Char;
vProcess: THandle;
begin
vProcess := OpenProcess(PROCESS_QUERY_INFORMATION or PROCESS_VM_READ, False,
AProcessID);
try
if GetModuleBaseName(vProcess, 0, vBuffer, SizeOf(vBuffer)) > 0 then
Result := vBuffer
else Result := '';
finally
CloseHandle(vProcess);
end;
end;
{ GetProcessName }
function EnumChild(hwnd: HWND; lParam: LPARAM): BOOL; stdcall;
var
vBuffer: array[0..255] of Char;
begin
Result := True;
if not IsWindowVisible(hwnd) then Exit; // 不可见
GetClassName(hwnd, vBuffer, SizeOf(vBuffer));
if SameText(vBuffer, 'RichEdit20A') then
begin
if GetWindowLong(hwnd, GWL_STYLE) and ES_READONLY <> ES_READONLY then // 非只读
begin
PInteger(lParam)^ := hwnd;
Result := False;
end;
end;
end;
{ EnumChild }
function EnumFunc(hwnd: HWND; lParam: LPARAM): BOOL; stdcall;
var
vBuffer: array[0..255] of Char;
vProcessId: THandle;
begin
Result := True;
if not IsWindowVisible(hwnd) then Exit; // 不可见
GetClassName(hwnd, vBuffer, SizeOf(vBuffer));
if SameText(vBuffer, '#32770') then
begin
GetWindowThreadProcessId(hwnd, vProcessId);
if SameText(GetProcessName(vProcessId), 'qq.exe') then
begin
GetWindowText(hwnd, vBuffer, SizeOf(vBuffer));
if Pos('交谈中', vBuffer) > 0 then // 标题中含"聊天中"
begin
EnumChildWindows(hwnd, @EnumChild, lParam);
Result := False;
end;
end;
end;
end;
procedure TForm1.Button1Click(Sender: TObject);
var
vHandle: THandle;
begin
vHandle := 0;
EnumWindows(@EnumFunc, Integer(@vHandle));
if vHandle = 0 then Exit;
Memo1.Text := Process_ReadRichEditText(vHandle);
end;
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