netsend.cpp

非常适用的一个局域网内通讯的信使工具.vc++6.0

// NetSend.cpp : Defines the entry point for the application.
//NJ 刘帅

#include "stdafx.h"
#include "resource.h"


HINSTANCE hInst;
HWND afxwnd;
LRESULT CALLBACK	WndProc(HWND, UINT, WPARAM, LPARAM);
LRESULT CALLBACK	About(HWND, UINT, WPARAM, LPARAM);

int APIENTRY WinMain(HINSTANCE hInstance,
                     HINSTANCE hPrevInstance,
                     LPSTR     lpCmdLine,
                     int       nCmdShow)
{
	
	return DialogBox(hInstance, (LPCTSTR)IDD_main, 0, (DLGPROC)WndProc);;
}

LRESULT CALLBACK WndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)
{
	int wmId, wmEvent;
	afxwnd=hWnd;
	UINT  retval=0;
	char sendcmd[100]="",tem[100]="";
	switch (message) 
	{
	case WM_INITDIALOG:
		CheckDlgButton(afxwnd,IDC_single,BST_CHECKED);
		break;
	case WM_COMMAND:
		wmId    = LOWORD(wParam); 
		wmEvent = HIWORD(wParam); 
		switch (wmId)
		{
		case IDC_aboutbox:  //关于
			DialogBox(hInst, (LPCTSTR)IDD_ABOUTBOX, afxwnd, (DLGPROC)About);
			break;
		case IDC_single:
			if(IsDlgButtonChecked(afxwnd,IDC_single)==BST_CHECKED)
				EnableWindow(GetDlgItem(afxwnd,IDC_pcname),TRUE);
			break;
		case IDC_group:
		case IDC_field:
		case IDC_all:
			EnableWindow(GetDlgItem(afxwnd,IDC_pcname),FALSE);
			break;
		case IDC_opennet:
			retval=WinExec((LPCSTR)"net start messenger",SW_HIDE);		
			break;
		case IDC_stopnet:
			retval=WinExec((LPCSTR)"net stop messenger",SW_HIDE);		
			break;
		case IDC_send:
			if(IsDlgButtonChecked(afxwnd,IDC_group)==BST_CHECKED) //组内发送
				strcpy(sendcmd,"net send * ");
			else if(IsDlgButtonChecked(afxwnd,IDC_field)==BST_CHECKED) //域内发送
				strcpy(sendcmd,"net send /domain ");
			else if(IsDlgButtonChecked(afxwnd,IDC_all)==BST_CHECKED)  //所有连到服务器上的PC
				strcpy(sendcmd,"net send /users ");
			else if(IsDlgButtonChecked(afxwnd,IDC_single)==BST_CHECKED){
				GetDlgItemText(afxwnd,IDC_pcname,tem,100);
				strcpy(sendcmd,"net send ");				
				strcat(sendcmd,tem);				
				strcat(sendcmd," ");
			}
			ZeroMemory(tem,sizeof(tem));
			GetDlgItemText(afxwnd,IDC_message,tem,100);
			strcat(sendcmd,"\"");				
			strcat(sendcmd,tem);
			strcat(sendcmd,"\" ");
			WinExec((LPCSTR)sendcmd,SW_HIDE);
			break;

		case WM_DESTROY:
			PostQuitMessage(0);
			break;
		default:
			return DefWindowProc(hWnd, message, wParam, lParam);
		}
		break;				
	}
	return 0;
}

// Mesage handler for about box.
LRESULT CALLBACK About(HWND hDlg, UINT message, WPARAM wParam, LPARAM lParam)
{
	switch (message)
	{
	case WM_INITDIALOG:
		return TRUE;		
	case WM_COMMAND:
		if (LOWORD(wParam) == IDOK || LOWORD(wParam) == IDCANCEL) 
		{
			EndDialog(hDlg, LOWORD(wParam));
			return TRUE;
		}
		break;
	}
    return FALSE;
}