一 列表框
1 列表框的样式
1.1 单选列表框 默认 1.2 多选列表框 LBS_MULTIPLESEL2 列表框的使用
2.1 列表框的创建 窗口类名为 LISTBOX,使用 CreateWindow/Ex 2.2 增加选项 LB_ADDSTRING LB_INSERTSTRING 2.3 删除选项 LB_DELETESTRING 删除指定选项 LB_RESETCONTENT 清空所有选项 2.4 选择项的获取和设置 LB_GETCURSEL 获取被选择项 LB_SETCURSEL 设置当前被选择项 LB_GETSEL 获取指定项的选择状态 LB_SETSEL 设置指定选项的选择状态 LB_GETSELCOUNT 获取被选择的数量 LB_GETSELITEMS 获取被选择项索引2.5 查找 LB_FINDSTRING
2.6 获取指定项的文字
LB_GETEXT 指定项的文字 LB_GETTEXTLEN 指定项的文字长度2.7 选项的数据
LB_SETITEMDATA 将自定义数据保存到指定的选项当中 LB_GETITEMDATA 将自定义数据从指定选项中取出2.8 目录信息
LB_DIR 显示指定目录下的文件和子目录信息2.9 通知消息
LBN_SELCHANGE 当 ListBox 中的选择项发生变化时，通知父窗口 注：对于 ListBox 需要增加 LBS_NOTIFY 的样式才能发送通知消息
View Code 1 // WinListBox.cpp : Defines the entry point for the application. 2 // 3 4 #include "stdafx.h" 5 #include "resource.h" 6 7 HINSTANCE g_hInst = NULL; 8 HWND g_hSingle = NULL; 9 HWND g_hMulti = NULL; 10 void OnCreate( HWND hWnd, UINT nMsg, 11 WPARAM wParam, LPARAM lParam ) 12 { 13 g_hSingle = CreateWindow( 14 "LISTBOX", "SINGLE", 15 WS_CHILD|WS_VISIBLE|LBS_NOTIFY, 16 50, 50, 200, 400, hWnd, 17 (HMENU)1001, g_hInst, NULL ); 18 g_hMulti = CreateWindow( 19 "LISTBOX", "MULTI", 20 WS_CHILD|WS_VISIBLE|LBS_MULTIPLESEL|LBS_NOTIFY, 21 300, 50, 200, 400, hWnd, 22 (HMENU)1002, g_hInst, NULL ); 23 } 24 25 void OnAdd( ) 26 { 27 CHAR szText[] = "ListBox 0"; 28 for( int nIndex=0; nIndex<10; nIndex++ ) 29 { //添加项 30 LRESULT nItem = 31 SendMessage( g_hSingle, LB_ADDSTRING, 32 0, (LPARAM)szText ); 33 SendMessage( g_hMulti, LB_ADDSTRING, 34 0, (LPARAM)szText ); 35 szText[8]++; 36 } 37 } 38 39 void OnSelect( ) 40 { //设置当前选择项 41 SendMessage( g_hSingle, LB_SETCURSEL, 2, 0 ); 42 //设置指定项的选择状态 43 for( int nIndex=0; nIndex<10; nIndex++ ) 44 { 45 SendMessage( g_hMulti, LB_SETSEL, 46 TRUE, nIndex ); 47 } 48 //获取所有选择项的数量 49 LRESULT nCount = SendMessage( g_hMulti, 50 LB_GETSELCOUNT, 0, 0 ); 51 if( nCount == 10 ) 52 { 53 MessageBox( NULL, "10", "10", MB_OK ); 54 } 55 //获取选择项的索引号 56 INT nSel[20] = { 0 }; 57 SendMessage( g_hMulti, LB_GETSELITEMS, 58 20, (LPARAM)nSel ); 59 } 60 61 void OnCommand( HWND hWnd, UINT nMsg, 62 WPARAM wParam, LPARAM lParam ) 63 { 64 int nNotifyCode = HIWORD( wParam ); 65 int nCtrlID = LOWORD( wParam ); 66 switch( nCtrlID ) 67 { 68 case ID_ADD: 69 OnAdd( ); 70 break; 71 case ID_SELECT: 72 OnSelect( ); 73 break; 74 case 1001: 75 { 76 switch( nNotifyCode ) 77 { 78 case LBN_SELCHANGE: 79 MessageBox( NULL, "LBN_SELCHANGE", 80 "ListBox", MB_OK ); 81 break; 82 } 83 } 84 break; 85 } 86 } 87 88 LRESULT CALLBACK WndProc( HWND hWnd, 89 UINT nMsg, 90 WPARAM wParam, 91 LPARAM lParam ) 92 { 93 switch( nMsg ) 94 { 95 case WM_CREATE: 96 OnCreate( hWnd, nMsg, wParam, lParam ); 97 break; 98 case WM_COMMAND: 99 OnCommand( hWnd, nMsg, wParam, lParam );100 break;101 case WM_DESTROY:102 PostQuitMessage( 0 );103 return 0;104 }105 return DefWindowProc( hWnd, nMsg,106 wParam, lParam );107 }108 109 BOOL RegisterWnd( LPSTR pszClassName )110 {111 WNDCLASSEX wce = { 0 };112 wce.cbSize = sizeof( wce );113 wce.cbClsExtra = 0;114 wce.cbWndExtra = 0;115 wce.hbrBackground = HBRUSH(COLOR_BTNFACE+1);116 wce.hCursor = NULL;117 wce.hIcon = NULL;118 wce.hIconSm = NULL;119 wce.hInstance = g_hInst;120 wce.lpfnWndProc = WndProc;121 wce.lpszClassName = pszClassName;122 wce.lpszMenuName = NULL;123 wce.style = CS_HREDRAW|CS_VREDRAW;124 125 ATOM nAtom = RegisterClassEx( &wce );126 if( 0 == nAtom )127 {128 return FALSE;129 }130 131 return TRUE;132 }133 134 HWND CreateWnd( LPSTR pszClassName )135 {136 HMENU hMenu = LoadMenu( g_hInst, 137 MAKEINTRESOURCE(IDR_MAIN) );138 HWND hWnd = CreateWindowEx( 0,139 pszClassName, "MyWnd", 140 WS_OVERLAPPEDWINDOW, CW_USEDEFAULT,141 CW_USEDEFAULT, CW_USEDEFAULT,142 CW_USEDEFAULT, NULL, hMenu, g_hInst,143 NULL );144 return hWnd;145 }146 147 void DisplayWnd( HWND hWnd )148 {149 ShowWindow( hWnd, SW_SHOW );150 UpdateWindow( hWnd );151 }152 153 void Message( )154 {155 MSG msg = { 0 };156 while( GetMessage( &msg, NULL, 0, 0 ) )157 {158 TranslateMessage( &msg );159 DispatchMessage( &msg );160 }161 }162 163 int APIENTRY WinMain(HINSTANCE hInstance,164 HINSTANCE hPrevInstance,165 LPSTR lpCmdLine,166 int nCmdShow)167 {168 g_hInst = hInstance;169 RegisterWnd( "MYWND" );170 HWND hWnd = CreateWnd( "MYWND" );171 DisplayWnd( hWnd );172 Message( );173 return 0;174 }