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OpenProcess、GetExitCodeProcess、TerminateProcess
//声明: {返回进程的句柄} OpenProcess( dwDesiredAccess: DWORD; {訪问选项} bInheritHandle: BOOL; {是否能继承; True 表示能用 CreateProcess 继承句柄创建新进程} dwProcessId: DWORD {指定进程 ID} ): THandle; {成功会返回进程句柄; 失败返回 0} //dwDesiredAccess 可选值: PROCESS_TERMINATE = $0001; {同意 TerminateProcess 使用进程句柄来关闭进程} PROCESS_CREATE_THREAD = $0002; {同意 CreateRemoteThread 使用进程句柄来创建线程} PROCESS_VM_OPERATION = $0008; {同意 VirtualProtectEx 使用进程句柄来改变进程的虚拟内存} PROCESS_VM_READ = $0010; {同意 ReadProcessMemory 使用进程句柄从进程的虚拟内存中读取数据} PROCESS_VM_WRITE = $0020; {同意 WriteProcessMemory 使用进程句柄向进程的虚拟内存中写入数据} PROCESS_DUP_HANDLE = $0040; {同意 DuplicateHandle 把进程句柄当作源句柄或目标句柄进行复制} PROCESS_CREATE_PROCESS = $0080; {默认值} PROCESS_SET_QUOTA = $0100; {同意 SetProcessWorkingSetSize 使用进程句柄来来设置虚拟内存的上限值} PROCESS_SET_INFORMATION = $0200; {同意 SetPriorityClass 使用进程句柄来设置进程优先级} PROCESS_QUERY_INFORMATION = $0400; {同意 GetExitCodeProcess 或 GetPriorityClass 通过进程句柄读取进程信息} SYNCHRONIZE = $00100000; {同意不论什么等待的函数使用进程句柄} PROCESS_ALL_ACCESS = (STANDARD_RIGHTS_REQUIRED or SYNCHRONIZE or $FFF); {同意全部权限}
{获取指定进程的退出码} GetExitCodeProcess( hProcess: THandle; {进程句柄} var lpExitCode: DWORD {接收退出码} ): BOOL; {}
{强制结束(其它)进程} TerminateProcess( hProcess: THandle; {进程句柄} uExitCode: UINT {退出码} ): BOOL; {} //提示: 关闭其它程序一般应该是向其主窗体发送 WM_CLOSE 消息, 不行再用这个, 由于它不能关闭其关联的 DLL.
//举例(强行关闭 OICQ 的办法): unit Unit1; interface uses Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms, Dialogs, StdCtrls; type TForm1 = class(TForm) Button1: TButton; procedure Button1Click(Sender: TObject); end; var Form1: TForm1; implementation {$R *.dfm} procedure TForm1.Button1Click(Sender: TObject); var id: Cardinal; wh: HWND; ph: THandle; ExitCode: DWORD; begin wh := FindWindow(‘#32770‘, nil); GetWindowThreadProcessId(wh, id); ph := OpenProcess(PROCESS_TERMINATE, False, id); GetExitCodeProcess(ph, ExitCode); TerminateProcess(ph, ExitCode); end; end.
OpenProcess、GetExitCodeProcess、TerminateProcess
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