Question

如何选中其他程序ListView控件中的某个Item

Answer 1

/*

* 本程序适用于:Win2KP+SP4[Windows TaskManager(5.0.2195.6620)]
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* WinXP+SP1[Windows TaskManager]
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* 代码在Win2000P+SP4 + VC6+SP6测试通过
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*/
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#include< windows.h >
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#include< commctrl.h >
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int APIENTRY WinMain(HINSTANCE hInstance,
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HINSTANCE hPrevInstance,
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LPSTR lpCmdLine,
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int nCmdShow)
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{
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HWND hwnd;
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int iItem=0;
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LVITEM lvitem, *plvitem;
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DWORD PID;
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HANDLE hProcess;
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hwnd=FindWindow("#32770","Windows 任务管理器");
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hwnd=FindWindowEx(hwnd,0,"#32770",0);
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hwnd=FindWindowEx(hwnd,0,"SysListView32",0);
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if (!hwnd)
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MessageBox(NULL,"[Windows 任务管理器] 尚未启动！","错误！",NULL);
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else
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{
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GetWindowThreadProcessId(hwnd, &PID);
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hProcess=OpenProcess(PROCESS_ALL_ACCESS,false,PID);
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if (!hProcess)
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MessageBox(NULL,"获取进程句柄操作失败！","错误！",NULL);
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else
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{
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plvitem=(LVITEM*)VirtualAllocEx(hProcess, NULL,sizeof(LVITEM),
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MEM_COMMIT, PAGE_READWRITE);
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if (!plvitem)
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MessageBox(NULL,"无法分配内存！","错误！",NULL);
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else
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{
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MessageBox(NULL,"本演示程序将选中TaskManager中的第6个项目。","提示",NULL);
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iItem=5;//5在这里是第六个（从零开始）
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lvitem.state=LVIS_SELECTED;
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lvitem.stateMask=LVIS_SELECTED;
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WriteProcessMemory(hProcess, plvitem, &lvitem,sizeof(LVITEM), NULL);
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SendMessage(hwnd, LVM_SETITEMSTATE, (WPARAM)iItem, (LPARAM)plvitem);
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}
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}
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}
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//释放内存
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CloseHandle(hwnd);
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CloseHandle(hProcess);
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VirtualFreeEx(hProcess, plvitem, 0, MEM_RELEASE);
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return 0;