自学教程：C++ GetDlgItemTextA函数代码示例

//反汇编对话框的消息处理BOOL CALLBACK DlgProc2(HWND hdlg,UINT message,WPARAM  wParam,	LPARAM  lParam){	switch(message)	{	case WM_INITDIALOG:		break;	case WM_COMMAND:		switch(LOWORD(wParam))		{		case ID_OK:			{				char szStr[20];				GetDlgItemTextA(hdlg, IDC_EDIT1, szStr, 20);				StartAddress = atoi(szStr);				GetDlgItemTextA(hdlg, IDC_EDIT2, szStr, 20);				Size = atoi(szStr);				EndDialog(hdlg, 0);			}			break;		case ID_CLOSE:			EndDialog(hdlg, 0);			break;		}	}	return 0;}

int WINAPI MainDlgProc(HWND hWnd,UINT message,WPARAM wParam,LPARAM lParam){	CHAR ExeFilePath[MAX_PATH] = {0};	CHAR SysFilePath[MAX_PATH] = {0};	if (message == WM_COMMAND)	{		if (wParam == IDOK)		{			if (GetDlgItemTextA(hWnd, IDC_PATH_EXE, ExeFilePath, MAX_PATH-1))			{				if (GetDlgItemTextA(hWnd, IDC_PATH_SYS, SysFilePath, MAX_PATH-1))				{					if (BuildDropper(ExeFilePath, SysFilePath))					{						MessageBoxA(hWnd, "OK", "OK", MB_OK);					}				}			}			return 0;		}		if (wParam == IDC_CHOSE_EXE)		{			char *file = OpenFileDialog("Executable files (*.exe)/0*.exe/0", hWnd);			if (file)			{				SetDlgItemText(hWnd, IDC_PATH_EXE, file);							delete file;			}			return 0;		}		if (wParam == IDC_CHOSE_SYS)		{			char *file = OpenFileDialog("Executable files (*.sys)/0*.sys/0", hWnd);			if (file)			{				SetDlgItemText(hWnd, IDC_PATH_SYS, file);				delete file;			}			return 0;		}		if (wParam == IDCANCEL)		{			return EndDialog(hWnd, 0), ExitProcess(0), 0;		}	}	return 0;}

INT_PTR CALLBACK DlgProcContactInfo(HWND hwnd, UINT msg, WPARAM, LPARAM lParam){	switch (msg) {	case WM_INITDIALOG:		TranslateDialogDefault(hwnd);		{			MCONTACT hContact = (MCONTACT)((PROPSHEETPAGE*)lParam)->lParam;			char name[2048];			SetWindowLongPtr(hwnd, GWLP_USERDATA, (LONG_PTR)hContact);			if (db_get_static(hContact, MODNAME, "Name", name, _countof(name)))				break;			SetDlgItemTextA(hwnd, IDC_DISPLAY_NAME, name);			if (db_get_static(hContact, MODNAME, "ToolTip", name, _countof(name)))				break;			SetDlgItemTextA(hwnd, IDC_TOOLTIP, name);		}		return TRUE;	case WM_COMMAND:		SendMessage(GetParent(hwnd), PSM_CHANGED, 0, 0);		return TRUE;	case WM_NOTIFY:		switch (((LPNMHDR)lParam)->idFrom) {		case 0:			switch (((LPNMHDR)lParam)->code) {			case PSN_APPLY:				MCONTACT hContact = (MCONTACT)GetWindowLongPtr(hwnd, GWLP_USERDATA);				if (GetWindowTextLength(GetDlgItem(hwnd, IDC_DISPLAY_NAME))) {					char text[512];					GetDlgItemTextA(hwnd, IDC_DISPLAY_NAME, text, _countof(text));					db_set_s(hContact, MODNAME, "Name", text);					WriteSetting(hContact, MODNAME, "Name", MODNAME, "Nick");				}				else {					db_unset(hContact, MODNAME, "Name");					db_unset(hContact, MODNAME, "Nick");				}				if (GetWindowTextLength(GetDlgItem(hwnd, IDC_TOOLTIP))) {					char text[2048];					GetDlgItemTextA(hwnd, IDC_TOOLTIP, text, _countof(text));					db_set_s(hContact, MODNAME, "ToolTip", text);					WriteSetting(hContact, MODNAME, "ToolTip", "UserInfo", "MyNotes");				}				else {					db_unset(hContact, MODNAME, "ToolTip");					db_unset(hContact, "UserInfo", "MyNotes");				}			}			return TRUE;		}		break;	}	return FALSE;}

	static INT_PTR CALLBACK PromptForInputDialogProc(HWND dialogHandle, UINT message, WPARAM wParam, LPARAM lParam)	{		BOOL result = TRUE;		// Initialization		if (message == WM_INITDIALOG)		{			// Text initialization			TInputDialogInitInfo *pInfo = reinterpret_cast<TInputDialogInitInfo *>(lParam);			SetWindowTextA(dialogHandle, pInfo->get<1>().c_str());			SetDlgItemTextA(dialogHandle, IDC_PROMPT, pInfo->get<2>().c_str());			SetDlgItemTextA(dialogHandle, IDC_EDIT_CONTENT, pInfo->get<3>().c_str());			SetDlgItemTextA(dialogHandle, IDOK, pInfo->get<4>().c_str());			SetDlgItemTextA(dialogHandle, IDCANCEL, pInfo->get<5>().c_str());		}		// Clicked button		else if (message == WM_COMMAND)		{			// ID that triggered			UINT id = LOWORD(wParam);			// Clicked "OK" or "Cancel"			if (id == IDOK || id == IDCANCEL)			{				// TODO: Duplicate code.				SInputInfo *pInfo = reinterpret_cast<SInputInfo *>(malloc(sizeof(SInputInfo)));				if (pInfo)				{					pInfo->isOkClicked = (id == IDOK);					GetDlgItemTextA(dialogHandle, IDC_EDIT_CONTENT, pInfo->text, sizeof(pInfo->text));				}				EndDialog(dialogHandle, reinterpret_cast<INT_PTR>(pInfo));			}		}		// Clicked close		else if (message == WM_CLOSE)		{			// TODO: Duplicate code.			SInputInfo *pInfo = reinterpret_cast<SInputInfo *>(malloc(sizeof(SInputInfo)));			if (pInfo)			{				pInfo->isOkClicked = false;				GetDlgItemTextA(dialogHandle, IDC_EDIT_CONTENT, pInfo->text, sizeof(pInfo->text));			}			EndDialog(dialogHandle, reinterpret_cast<INT_PTR>(pInfo));		}		// Messages that not interested		else		{			result = FALSE;		}		return result;	}

VOID GetSetting(HWND hwnd){    int i;    CHAR buf[256];    for (i = 0; i < hack_argcount; i++)    {        GetDlgItemTextA(hwnd, IDC_ARGVAL00 + i, buf, 256);        sz_trim(buf);        switch (hack_arginfo[i].type)        {        case t_Bool:            if (lstrcmpiA(buf, "True") == 0 || lstrcmpiA(buf, "1") == 0 )                *(Bool *)hack_arginfo[i].data = True;            else if (lstrcmpiA(buf, "False") == 0 || lstrcmpiA(buf, "0") == 0 )                *(Bool *)hack_arginfo[i].data = False;            break;        case t_Int:            *(INT *)hack_arginfo[i].data = strtol(buf, NULL, 10);            break;        case t_Float:            *(float *)hack_arginfo[i].data = strtod(buf, NULL);            break;        case t_String:            *(char **)hack_arginfo[i].data = _strdup(buf);            break;        }    }    if (hack_count_enabled)    {        GetDlgItemTextA(hwnd, IDC_COUNTVAL, buf, 256);        sz_trim(buf);        ss.modeinfo.count = strtol(buf, NULL, 10);    }    if (hack_cycles_enabled)    {        GetDlgItemTextA(hwnd, IDC_CYCLESVAL, buf, 256);        sz_trim(buf);        ss.modeinfo.cycles = strtol(buf, NULL, 10);    }    if (hack_size_enabled)    {        GetDlgItemTextA(hwnd, IDC_SIZEVAL, buf, 256);        sz_trim(buf);        ss.modeinfo.size = strtol(buf, NULL, 10);    }}

void upsStatus::Update(StatMgr *statmgr){   // Bail if window is not open   WaitForSingleObject(_mutex, INFINITE);   if (!_hwnd)   {      ReleaseMutex(_mutex);      return;   }   // Fetch full status from nutupsd   list<string> keys, values;   if (!statmgr->GetAll(keys, values) || keys.empty())   {	  ReleaseMutex(_mutex);      return;   }   // Update listview   list<string>* data[] = {&keys, &values};   _grid->UpdateAll(data);   // Update battery   _bmeter->Set(atoi(statmgr->Get("battery.charge").c_str()));   // Update load   _lmeter->Set(atoi(statmgr->Get("ups.load").c_str()));   // Update status   char str[128];   string stat = statmgr->Get("ups.status");   GetDlgItemTextA(_hwnd, IDC_STATUS, str, sizeof(str));   if (stat != str)	   SetDlgItemTextA(_hwnd, IDC_STATUS, stat.c_str());   // Update runtime   string runtime = statmgr->Get("battery.runtime");   GetDlgItemTextA(_hwnd, IDC_RUNTIME, str, sizeof(str));   if (runtime != str)      SetDlgItemTextA(_hwnd, IDC_RUNTIME, runtime.c_str());   // Update title bar   char name[512];   string upsname = statmgr->Get("UPS");   snprintf(name, sizeof(name), "Status for UPS: %s", upsname.c_str());   SetWindowTextA(_hwnd, name);      ReleaseMutex(_mutex);}

void ProjectConfigDialog::onSelectScriptFile(void){    char buff[MAX_PATH + 1] = {0};    char projdir[MAX_PATH + 1] = {0};    GetDlgItemTextA(m_hwndDialog, IDC_EDIT_PROJECT_DIR, projdir, MAX_PATH);    OPENFILENAMEA ofn = {0};    ofn.lStructSize = sizeof(ofn);    ofn.hwndOwner = m_hwndDialog;    ofn.lpstrFilter = "Lua Script File (*.lua)/0*.lua/0";    ofn.lpstrTitle = "Select Script File";    if (DirectoryExists(projdir))    {        ofn.lpstrInitialDir = projdir;    }    ofn.Flags = OFN_DONTADDTORECENT | OFN_ENABLESIZING | OFN_FILEMUSTEXIST | OFN_PATHMUSTEXIST;    ofn.lpstrFile = buff;    ofn.nMaxFile = MAX_PATH;    if (GetOpenFileNameA(&ofn))    {        m_project.setScriptFile(buff);        updateScriptFile();    }}

LRESULT CALLBACK AboutProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM){	char buf[48];	DWORD d;	switch(message){		case WM_INITDIALOG:			setDlgTexts(hWnd, 11);			d=getVer();			sprintf(buf, "%d.%d", HIWORD(d), LOWORD(d));			SetDlgItemTextA(hWnd, 101, buf);			return TRUE;		case WM_COMMAND:			switch(wParam){				case IDOK:				case IDCANCEL:					EndDialog(hWnd, wParam);					return TRUE;				case 123:					GetDlgItemTextA(hWnd, wParam, buf, sizeA(buf)-13);					if(!_tcscmp(lang, _T("English"))) strcat(buf, "/indexEN.html");					ShellExecuteA(0, 0, buf, 0, 0, SW_SHOWNORMAL);					break;			}			break;	}	return FALSE;}

INT CALLBACKdlogpassproc(HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam){	switch(message)	{	case WM_INITDIALOG:		SetDlgItemTextA(hwnd, 4, pd_filename);		return TRUE;	case WM_COMMAND:		switch(wParam)		{		case 1:			pd_okay = 1;			GetDlgItemTextA(hwnd, 3, pd_password, sizeof pd_password);			EndDialog(hwnd, 1);			return TRUE;		case 2:			pd_okay = 0;			EndDialog(hwnd, 1);			return TRUE;		}		break;	}	return FALSE;}

static int JabbeSearchrRenewFields(HWND hwndDlg, JabberSearchData * dat){	char szServerName[100];	EnableWindow(GetDlgItem(hwndDlg, IDC_GO),FALSE);	GetDlgItemTextA(hwndDlg,IDC_SERVER,szServerName,sizeof(szServerName));	dat->CurrentHeight = 0;	dat->curPos = 0;	SetScrollPos( GetDlgItem( hwndDlg, IDC_VSCROLL ), SB_CTL, 0, FALSE );	JabberSearchFreeData( hwndDlg, dat );	JabberSearchRefreshFrameScroll( hwndDlg, dat );		if ( jabberOnline )		SetDlgItemText(hwndDlg,IDC_INSTRUCTIONS,TranslateT("Please wait.../r/nConnecting search server..."));	else		SetDlgItemText(hwndDlg,IDC_INSTRUCTIONS,TranslateT("You have to be connected to server"));	if ( !jabberOnline )		return 0;	searchHandleDlg = hwndDlg;	int iqId = JabberSerialNext();	XmlNodeIq iq( "get", iqId, szServerName );	XmlNode* query = iq.addChild( "query" );	query->addAttr( "xmlns", "jabber:iq:search" );	JabberIqAdd( iqId, IQ_PROC_GETSEARCHFIELDS, JabberIqResultGetSearchFields );	JabberSend( jabberThreadInfo->s, iq );	return iqId;}

static INT_PTR CALLBACK Window_StopwatchExportDlg(HWND hDlg, UINT msg, WPARAM wParam, LPARAM lParam){	(void)lParam; // unused	switch(msg) {	case WM_INITDIALOG:{		wchar_t buf[128];		api.GetStr(L"Timers", L"SwExT", buf, _countof(buf), L"");		SetDlgItemText(hDlg,IDC_SWE_TOTAL,buf);		api.GetStr(L"Timers", L"SwExL", buf, _countof(buf), L"");		SetDlgItemText(hDlg, IDC_SWE_LAP, buf);		SendMessage(hDlg, WM_COMMAND,IDOK, 0);		Edit_SetSel(GetDlgItem(hDlg,IDC_SWE_OUT), 0, -1);		SetFocus(GetDlgItem(hDlg,IDC_SWE_OUT));		return FALSE;}	case WM_DESTROY:{		break;}	case WM_COMMAND: {			switch(LOWORD(wParam)) {			case IDC_SWE_EXPORT:{				wchar_t filename[MAX_PATH];				unsigned buflen = (unsigned)SendDlgItemMessageA(hDlg,IDC_SWE_OUT,WM_GETTEXTLENGTH,0,0);				char* buf = malloc(buflen + 1);				if(buf && buflen){					GetDlgItemTextA(hDlg, IDC_SWE_OUT, buf, buflen+1);					*filename = '/0';					if(SaveFileDialog(hDlg,filename,_countof(filename))){						FILE* fp = _wfopen(filename, L"wb");						if(fp){							fwrite(buf, sizeof(buf[0]), buflen, fp);							fclose(fp);						}					}				}				free(buf);				break;}			case IDOK:{				wchar_t buf[128];				GetDlgItemText(hDlg, IDC_SWE_TOTAL, buf, _countof(buf));				if(!*buf){					api.DelValue(L"Timers", L"SwExT");					SetDlgItemText(hDlg, IDC_SWE_TOTAL, L"//n--------------------//n//t");				}else					api.SetStr(L"Timers", L"SwExT", buf);				GetDlgItemText(hDlg, IDC_SWE_LAP, buf, _countof(buf));				if(!*buf){					api.DelValue(L"Timers", L"SwExL");					SetDlgItemText(hDlg, IDC_SWE_LAP, L"Lap //#//f: //l (//t)//n");				}else					api.SetStr(L"Timers", L"SwExL", buf);				export_text(hDlg);				break;}			case IDCANCEL:				EndDialog(hDlg, TRUE);			}			return TRUE;		}	}	return FALSE;}

static void searchPackTLVWordLNTS(PBYTE *buf, int *buflen, HWND hwndDlg, UINT idControl, WORD w, WORD wType){	char str[512];	GetDlgItemTextA(hwndDlg, idControl, str, sizeof(str));	ppackLETLVWordLNTS(buf, buflen, w, str, wType, 0);}

static INT_PTR CALLBACK PwConfirmDlgProc(HWND hwndDlg, UINT msg, WPARAM wParam, LPARAM lParam){	PwConfirmDlgParam* dat = (PwConfirmDlgParam*)GetWindowLongPtr(hwndDlg, GWLP_USERDATA);	switch(msg) {	case WM_INITDIALOG:		TranslateDialogDefault(hwndDlg);		SetWindowLongPtr(hwndDlg, GWLP_USERDATA, lParam);		SendDlgItemMessage(hwndDlg,IDC_PASSWORD,EM_LIMITTEXT,15,0);		return TRUE;	case WM_COMMAND:		switch(LOWORD(wParam)) {		case IDOK:			{  				char szTest[16];				GetDlgItemTextA(hwndDlg,IDC_OLDPASS,szTest,sizeof(szTest));				if (strcmpnull(szTest, dat->ppro->GetUserPassword(TRUE))) 				{					MessageBox(hwndDlg, TranslateT("The password does not match your current password. Check Caps Lock and try again."), TranslateT("Change ICQ Details"), MB_OK);					SendDlgItemMessage(hwndDlg,IDC_OLDPASS,EM_SETSEL,0,(LPARAM)-1);					SetFocus(GetDlgItem(hwndDlg,IDC_OLDPASS));					break;				}				GetDlgItemTextA(hwndDlg,IDC_PASSWORD,szTest,sizeof(szTest));				if(strcmpnull(szTest, dat->Pass)) 				{					MessageBox(hwndDlg, TranslateT("The password does not match the password you originally entered. Check Caps Lock and try again."), TranslateT("Change ICQ Details"), MB_OK);					SendDlgItemMessage(hwndDlg,IDC_PASSWORD,EM_SETSEL,0,(LPARAM)-1);					SetFocus(GetDlgItem(hwndDlg,IDC_PASSWORD));					break;				}			}		case IDCANCEL:			EndDialog(hwndDlg,wParam);			break;		}		break;	}	return FALSE;}

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C++ GetDlgItemTextW函数代码示例
C++ GetDlgItemText函数代码示例