VC如何获取其他程序的窗口数据

2025-03-15 16:53:29
推荐回答(4个)
回答1:

这是我曾经写过的一个类似Spy++的SDK程序,最起码能获取窗口句柄、类名等信息。我就直接贴出来了,仅供参考。

//////////////////////////////////////////////////////////////////////////////////////////////////////
#include
#include "resource.h"

BOOL APIENTRY MainDlgProc(HWND hDlg, UINT message, WPARAM wParam, LPARAM lParam)
{
POINT MousePoint;
TCHAR str[256];
HWND hWnd;
switch(message)
{
case WM_INITDIALOG:
{
SetWindowPos(hDlg, HWND_TOPMOST, 0, 0, 0, 0, SWP_NOSIZE|SWP_NOMOVE);
SetTimer(hDlg, 1, 100, NULL);
return(TRUE);
}
case WM_CLOSE:
{
AnimateWindow(hDlg, 1000, AW_HIDE|AW_BLEND);
EndDialog(hDlg, TRUE);
return(TRUE);
}
case WM_TIMER:
{
GetCursorPos(&MousePoint);
hWnd = WindowFromPoint(MousePoint);
SendMessage(hWnd, WM_GETTEXT, 255, (long)str);
SetDlgItemText(hDlg, IDC_CAPTION, str);
GetClassName(hWnd, str, 255);
SetDlgItemText(hDlg, IDC_CLASSNAME, str);
_ltow(GetClassLong(hWnd, GCW_ATOM), str, 10);
SetDlgItemText(hDlg, IDC_CLASSATOM, str);
_ltow(GetWindowLong(hWnd, GWL_STYLE), str, 2);
SetDlgItemText(hDlg, IDC_STYLE, str);
_ltow(GetWindowLong(hWnd, GWL_EXSTYLE), str, 2);
SetDlgItemText(hDlg, IDC_EXTSTYLE, str);
_ltow(GetWindowLong(hWnd, GWL_ID), str, 10);
SetDlgItemText(hDlg, IDC_ID, str);
return(TRUE);
}
case WM_DESTROY:
{
KillTimer(hDlg, 1);
return(TRUE);
}
case WM_COMMAND:
{
if(LOWORD(wParam) == IDC_QUIT)
EndDialog(hDlg, TRUE);
return(TRUE);
}
}
return(FALSE);
}

int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, int nCmdShow)
{
DialogBox(hInstance, MAKEINTRESOURCE(IDD_MAINDLG), NULL, (DLGPROC)MainDlgProc);
return(0);
}
///////////////////////////////////////////////////////////////////////////////////////////////////////

回答2:

FindWindowEx可以获得其他进程的窗口句柄

另外就是很多函数限定进程或者线程。

回答3:

首先要获取远进程窗口的句柄,如果只是要获取它的大小,可以直接GetWindowRect即可。

回答4:

你应该问,"如何获取其它进程的窗口句柄?".

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