win32 树形控件的小例子

#include "stdAfx.h" #include "MyTree.h" #pragma comment(lib,"comctl32.lib") HINSTANCE hInst; LPCTSTR szWindowClass=_T("POWER_WND"); //窗口类名 LPCTSTR szTitle=_T("树形控件"); //标题名 在标题栏上显示 HWND hMainWnd; //主窗口句柄 HWND hWndTree; RECT WndRect; //窗口矩形 RECT rcClient; HTREEITEM hNode[50]; int fScreenX; int fScreenY; LRESULT CALLBACK WndProc(HWND, UINT, WPARAM, LPARAM); void TVImageLoad(HWND hwndTV); ATOM MyRegisterClass() { WNDCLASSEX wcex; wcex.cbSize =sizeof(WNDCLASSEX); wcex.style = CS_HREDRAW | CS_VREDRAW ; wcex.lpfnWndProc = (WNDPROC)WndProc; wcex.cbClsExtra = 0; wcex.cbWndExtra = 0; wcex.hInstance = hInst; wcex.hIcon = LoadIcon(hInst, (LPCTSTR)IDI_TREE); wcex.hCursor = LoadCursor (NULL, IDC_ARROW) ; wcex.hbrBackground = (HBRUSH) GetStockObject (WHITE_BRUSH);//(HBRUSH)(COLOR_WINDOW+1); wcex.lpszMenuName = 0; wcex.lpszClassName = szWindowClass; wcex.hIconSm = LoadIcon(hInst, (LPCTSTR)IDI_ICON1); return RegisterClassEx(&wcex); } int APIENTRY WinMain(HINSTANCE hInstance,HINSTANCE,LPSTR lpCmdLine,int nCmdShow) { MSG msg; HACCEL hAccelTable; hInst=hInstance; // MyRegisterClass(); if (!MyRegisterClass ()) { MessageBox (NULL, TEXT ("This program requires Windows NT!"), NULL, MB_ICONERROR) ; return 0 ; } fScreenX=GetSystemMetrics(SM_CXSCREEN); fScreenY=GetSystemMetrics(SM_CYSCREEN); SetRect(&WndRect,0,0,GetSystemMetrics(SM_CXSCREEN),GetSystemMetrics(SM_CYSCREEN)); if(!(hMainWnd=CreateWindow(szWindowClass, szTitle, WS_POPUP,0,0,WndRect.right,WndRect.bottom, NULL, NULL, hInst, NULL))) return FALSE; /* if(!InitRegister()) { DestroyWindow(hMainWnd); return 0; } if(!InitDate() || !InitUI() ) { DestroyWindow(hMainWnd); return 0; } */ InitCommonControls(); ShowWindow(hMainWnd, SW_SHOWMAXIMIZED); UpdateWindow(hMainWnd); hAccelTable = LoadAccelerators(hInstance, (LPCTSTR)IDC_CLIENT); while (GetMessage(&msg, NULL, 0, 0)) { if (!TranslateAccelerator(msg.hwnd, hAccelTable, &msg)) { TranslateMessage(&msg); DispatchMessage(&msg); } } return msg.wParam; } LRESULT CALLBACK WndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam) { HDC hdc; PAINTSTRUCT ps; RECT rect; int i=0; switch(message) { case WM_CREATE: { hWndTree = CreateWindow(TEXT("SysTreeView32"), TEXT("Simple"), WS_CHILD | WS_VISIBLE | TVS_HASBUTTONS | TVS_HASLINES | TVS_LINESATROOT | TVS_SHOWSELALWAYS //,rcClient.left,rcClient.top,170,rcClient.bottom-rcClient.top, hWnd, NULL, hInst, 0); ,10,10,1000,1000,hWnd,NULL,hInst,0); TVImageLoad(hWndTree); //Root... TVINSERTSTRUCT tvInst; tvInst.item.mask = TVIF_TEXT | TVIF_IMAGE | TVIF_SELECTEDIMAGE; tvInst.item.iImage = 0; tvInst.item.iSelectedImage = 2; tvInst.hInsertAfter = TVI_LAST; tvInst.hParent = NULL; for(i=0;i<10;i++) { tvInst.item.pszText = TEXT("房间"); hNode[i]= (HTREEITEM)SendMessage(hWndTree, TVM_INSERTITEM, 0, (LPARAM)&tvInst); // game = game->pnext; } tvInst.item.pszText = TEXT("正在下载房间列表"); tvInst.item.iImage = 0; tvInst.item.iSelectedImage = 2; tvInst.hParent = hNode[1]; hNode[3] = (HTREEITEM)SendMessage(hWndTree, TVM_INSERTITEM, 0, (LPARAM)&tvInst); } return 0; case WM_SIZE: hdc = BeginPaint(hWnd,&ps); GetClientRect(hWnd,&rect); EndPaint(hWnd,&ps); return 0; case WM_DESTROY: PostQuitMessage(0); return 0; } return DefWindowProc(hWnd,message,wParam,lParam); } void TVImageLoad(HWND hwndTV) { HIMAGELIST himl; // handle to image list HICON hIcon; if ((himl = ImageList_Create(16, 16, FALSE, 3, 0)) == NULL) return ; hIcon = LoadIcon(hInst, MAKEINTRESOURCE(IDI_FATHER)); int g_nOpen = ImageList_AddIcon(himl, hIcon); DeleteObject(hIcon); hIcon = LoadIcon(hInst, MAKEINTRESOURCE(IDI_CHILD)); int g_nClosed = ImageList_AddIcon(himl, hIcon); DeleteObject(hIcon); hIcon = LoadIcon(hInst, MAKEINTRESOURCE(IDI_TREE)); int g_nDocument = ImageList_AddIcon(himl, hIcon); DeleteObject(hIcon); if (ImageList_GetImageCount(himl) < 3) return ; TreeView_SetImageList(hwndTV, himl, TVSIL_NORMAL); }