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使用C++创建树视图控件

一、创建树视图控件

在C++中使用Windows公共控件库创建树视图控件的基本步骤如下：

二、添加根结点

三、扩展树结构

四、完整代码示例

#include 
   
    
#include 
    
     
#define IDM_EXIT        10001
#define IDM_ABOUT       10002
#define IDC_WIN32TREEDEMO  10101
LRESULT CALLBACK WindowProcedure(HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam)
{
    static HINSTANCE hInst = NULL;
    static HWND hTree = NULL;
    switch (message)
    {
        case WM_CREATE:
            hTree = CreateWindow("SysTreeView32", NULL,
                WS_CHILD | WS_BORDER | WS_VISIBLE | TVS_HASLINES | TVS_HASBUTTONS | TVS_LINESATROOT,
                10, 20, 200, 400, hwnd, NULL, NULL, NULL);
            TvInsertItem.hParent = NULL;
            TvInsertItem.hInsertAfter = TVI_LAST;
            TvInsertItem.item.mask = TVIF_TEXT;
            TvInsertItem.item.pszText = "根结点AAAA";
            hitema = SendMessage(hTree, TVM_INSERTITEM, 0, (LPARAM)&TvInsertItem);
            TvInsertItem2.hParent = hitema;
            TvInsertItem2.hInsertAfter = TVI_LAST;
            TvInsertItem2.item.mask = TVIF_TEXT;
            TvInsertItem2.item.pszText = "子结点AABB";
            hitemab = SendMessage(hTree, TVM_INSERTITEM, 0, (LPARAM)&TvInsertItem2);
            TvInsertItem3.hParent = hitema;
            TvInsertItem3.hInsertAfter = TVI_LAST;
            TvInsertItem3.item.mask = TVIF_TEXT;
            TvInsertItem3.item.pszText = "子结点AACC";
            hitemac = SendMessage(hTree, TVM_INSERTITEM, 0, (LPARAM)&TvInsertItem3);
            TvInsertItem4.hParent = NULL;
            TvInsertItem4.hInsertAfter = TVI_LAST;
            TvInsertItem4.item.mask = TVIF_TEXT;
            TvInsertItem4.item.pszText = "根结点BBBB";
            hitemb = SendMessage(hTree, TVM_INSERTITEM, 0, (LPARAM)&TvInsertItem4);
            break;
        case WM_DESTROY:
            PostQuitMessage(0);
            break;
        default:
            return DefWindowProc(hwnd, message, wParam, lParam);
    }
    return 0;
}
int WINAPI WinMain(HINSTANCE hThisInstance, HINSTANCE hPrevInstance, LPSTR lpszArgument, int nFunsterStil)
{
    HWND hwnd;
    MSG messages;
    WNDCLASSEX wincl;
    wincl.hInstance = hThisInstance;
    wincl.lpszClassName = "win32TreeDemo";
    wincl.lpfnWndProc = WindowProcedure;
    wincl.style = CS_DBLCLKS;
    wincl.cbSize = sizeof(WNDCLASSEX);
    wincl.hIcon = LoadIcon(NULL, IDI_APPLICATION);
    wincl.hIconSm = LoadIcon(NULL, IDI_APPLICATION);
    wincl.hCursor = LoadCursor(NULL, IDC_ARROW);
    wincl.lpszMenuName = MAKEINTRESOURCE(IDC_WIN32TREEDEMO);
    wincl.cbClsExtra = 0;
    wincl.cbWndExtra = 0;
    wincl.hbrBackground = (HBRUSH)(COLOR_WINDOW + 1);
    if (!RegisterClassEx(&wincl))
        return 0;
    hwnd = CreateWindowEx(
        0,
        "win32TreeDemo",
        TEXT("win32TreeDemo"),
        WS_OVERLAPPEDWINDOW,
        CW_USEDEFAULT,
        CW_USEDEFAULT,
        300,
        500,
        HWND_DESKTOP,
        NULL,
        hThisInstance,
        NULL
    );
    ShowWindow(hwnd, nFunsterStil);
    while (GetMessage(&messages, NULL, 0, 0))
    {
        TranslateMessage(&messages);
        DispatchMessage(&messages);
    }
    return messages.wParam;
}
    
   

五、资源文件

#resource.h
IDC_WIN32TREEDEMO MENU BEGIN
POPUP "File"
BEGIN
MENUITEM "E&xit",        IDM_EXIT
END
POPUP "Help"
BEGIN
MENUITEM "&About ...",    IDM_ABOUT
END
END

六、常用宏定义

#define IDM_EXIT        10001
#define IDM_ABOUT       10002
#define IDC_WIN32TREEDEMO  10101

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