Windows API 弹出文本框输入的内容

              1
            /*
            程序功能：点击button按钮弹出输入框的文本
            */
              2 #include<windows.h>
  3  4struct  5{
  6int iStyle;
  7     TCHAR * szText;
  8}
  9 button[]=
 10{
 11     BS_PUSHBUTTON,          TEXT("BS_PUSHBUTTON"),
 12     BS_DEFPUSHBUTTON,       TEXT("BS_DEFPUSHBUTTON")
 13}; 
 14 15#define NUM (sizeof button /sizeof button[0])  //num=2 16 17 LRESULT CALLBACK WndProc(HWND,UINT,WPARAM,LPARAM);  //申明函数 18 19int WINAPI WinMain(HINSTANCE hInstance,HINSTANCE hPrevInstance,LPSTR lpCmdLine,int iCmdShow)
 20{
 21static TCHAR szAppName[]= TEXT ("app1");
 22 23    HWND hwnd;
 24    MSG msg;
 25    WNDCLASS wndclass;
 26 27     wndclass.style    =       CS_HREDRAW | CS_VREDRAW;
 28     wndclass.lpfnWndProc =    WndProc;
 29     wndclass.cbClsExtra  =    0;
 30     wndclass.cbWndExtra  =    0;
 31     wndclass.hInstance   =    hInstance;
 32     wndclass.hIcon       =    LoadIcon(NULL, IDI_APPLICATION);
 33     wndclass.hCursor     =    LoadCursor(NULL,IDC_ARROW);
 34     wndclass.hbrBackground = (HBRUSH) GetStockObject(WHITE_BRUSH);
 35     wndclass.lpszMenuName = NULL;
 36     wndclass.lpszClassName= szAppName;
 37 38if(!RegisterClass(&wndclass))
 39    {
 40          MessageBox(NULL,TEXT("程序要求 Windows NT 系统!"),szAppName,MB_ICONERROR);
 41 42return0;
 43    }
 44 45     hwnd = CreateWindow (szAppName,
 46                          TEXT ( "WindowsAPI程序-按钮实例 "),
 47                         WS_OVERLAPPEDWINDOW,
 48                         CW_USEDEFAULT,
 49                         CW_USEDEFAULT,
 50                         CW_USEDEFAULT,
 51                         CW_USEDEFAULT,
 52                         NULL, 
 53                         NULL,
 54                         hInstance,
 55                         NULL);
 56 57    ShowWindow(hwnd,iCmdShow);
 58    UpdateWindow(hwnd);
 59 60while( GetMessage( &msg,NULL,0,0))
 61    {
 62       TranslateMessage(&msg);
 63       DispatchMessage(&msg);
 64    }
 65 66return msg.wParam;
 67 68}
 69 70//窗口过程函数 71LRESULT CALLBACK WndProc (HWND hwnd,UINT message,WPARAM wParam, LPARAM lParam)
 72{
 73 74static HWND hwndButton[NUM];  //按钮句柄集合 75static HWND hwndTxt;
 76static HWND hwndBtnSure;
 77static HWND hwndBtnSure2;
 78static HWND hwndChild;
 79static RECT rect; //矩形结构体
 80//char数组 81static TCHAR szTop[]       =TEXT("功能：点击按钮显示文本框内容"),
 82                  szUnd[]       =TEXT("_______          ______          ______"),
 83                  szFormat[]    =TEXT("%-16s%04X-%04X         %04X-%04X"),  //关于格式化字符串参考 http://blog.163.com/c__0/blog/static/188312066201162661240584/ 84                  szBuffer[50];
 85char constStr[]= { "，欢迎进入C++世界" };
 86char outputStr[256];
 87staticint cxChar,cyChar;
 88     HDC    hdc;     //绘图实例句柄 89    HDC    childHdc;
 90     PAINTSTRUCT ps; //绘制结构体 91int i,len;
 92switch (message)
 93    {
 94//创建 95case WM_CREATE:
 96 97             cxChar=LOWORD(GetDialogBaseUnits()); 
 98             cyChar=HIWORD(GetDialogBaseUnits());
 99100101//文本框102             hwndTxt = CreateWindow   (   
103"edit",   
104"",   
105                                       WS_CHILD|WS_VISIBLE|WS_BORDER|BS_TEXT,   
106250,  100,   300,22,   
107                                      hwnd,   
108                                       (HMENU)1,   
109                                       ((LPCREATESTRUCT) lParam)->hInstance,   
110                                      NULL   
111                                      );
112113//按钮114             hwndBtnSure2 = CreateWindow(   
115                                       TEXT("button"),  
116"点击我2",
117                                        WS_CHILD|WS_VISIBLE|BS_PUSHBUTTON,
118230, 
119190, 
12020*cxChar,
1217*cyChar/4,
122                                      hwnd,   
123                                       (HMENU)3,   
124                                       ((LPCREATESTRUCT) lParam)->hInstance,   
125                                      NULL   
126                                      );
127128129130             hwndBtnSure=CreateWindow(
131                                        TEXT("Button"),
132"点击我",
133                                        WS_CHILD|WS_VISIBLE|BS_PUSHBUTTON,
134230,
135150,
13620*cxChar,
1377*cyChar/4,
138                                       hwnd,
139                                        (HMENU)2,
140                                        ((LPCREATESTRUCT) lParam)->hInstance,NULL);
141142143144145return0;
146147case WM_SIZE:
148            rect.left=24* cxChar;
149            rect.top=2*cyChar;
150            rect.right=LOWORD(lParam);
151            rect.bottom=HIWORD(lParam);
152return0;
153154case WM_PAINT:
155156            InvalidateRect(hwnd,&rect,TRUE);
157158            hdc=BeginPaint(hwnd,&ps);
159160            SelectObject(hdc,GetStockObject(SYSTEM_FIXED_FONT));  //选取当前字体161            SetBkMode(hdc,TRANSPARENT) ;// 背景设置成透明
162163// SetBkColor(hdc,GetSysColor(COLOR_BTNFACE));164            SetTextColor(hdc,GetSysColor(COLOR_BTNTEXT)); //设置文本颜色165166            TextOut(hdc,24*cxChar,cyChar,szTop,lstrlen(szTop));
167//TextOut(hdc,24*cxChar,cyChar,szUnd,lstrlen(szUnd));168169170171            EndPaint(hwnd,&ps);
172return0;
173174case WM_DRAWITEM:
175case WM_COMMAND:
176177             hdc=GetDC(hwnd);
178             SelectObject(hdc,GetStockObject(SYSTEM_FIXED_FONT));  //选取当前字体
179180//获取当前子窗口句柄181             hwndChild=(HWND)lParam;
182if(hwndChild==hwndBtnSure)
183            {
184char szBuff[256];
185                  GetWindowText(hwndTxt,szBuff,sizeof(szBuff));
186if(strlen(szBuff)==0)
187return0;
188189for(i=0;i<sizeof(outputStr);i++)
190                 {
191if(i==0)
192                          len=strlen(szBuff);
193                      szBuff[len++]=constStr[i];
194                 }
195                  MessageBox(NULL, szBuff,TEXT("提示"),0);
196            }
197elseif(hwndChild==hwndBtnSure2)
198            {
199                 MessageBox(NULL,TEXT("按钮2点击了"),TEXT("提示"),0);
200            }
201202            ReleaseDC(hwnd,hdc);
203             ValidateRect(hwnd,&rect);
204break;
205206case WM_CTLCOLORBTN:
207/*208               childHdc=(HDC)wParam;
209            SetBkColor(childHdc,GetSysColor(COLOR_BTNFACE));
210            SetTextColor(childHdc,GetSysColor(COLOR_HIGHLIGHT));
211            ReleaseDC((HWND)lParam,childHdc);
212*/213break;
214215case WM_DESTROY:
216            PostQuitMessage(0);
217return0;
218    }
219220return DefWindowProc (hwnd,message,wParam,lParam);
221 }