/* ************************************
* HWND CreateTreeView(HWND hwndParent, LPSTR szWindowName)
* 功能 创建一个Tree View控件，并调用InitTreeViewItems增加若干个节点
* 参数 hwndParent，父窗口句柄
* szWindowName，窗口标题
* 返回值 创建的窗口句柄
**************************************/
HWND CreateTreeView(HWND hwndParent, LPSTR szWindowName)
{
HWND hwndTV;
// 创建Tree View
hwndTV = CreateWindowEx(0,
WC_TREEVIEW, // Tree View控制窗口类
szWindowName, // 窗口的标题
// 窗口样式 ：可见，子窗口，可改变大小，具体窗口标题
WS_VISIBLE | WS_CHILD | WS_SIZEBOX | WS_TILED |
// 附加Tree View样式
TVS_HASBUTTONS |TVS_LINESATROOT ,
// 默认大小和位置，后面使用SetWindows函数设置
CW_USEDEFAULT,
CW_USEDEFAULT,
CW_USEDEFAULT,
CW_USEDEFAULT,
hwndParent, // 父窗口句柄
(HMENU)NULL, // 没有菜单
hinst, // 应用程序实例
NULL); // 没有图标
// 初始化 Image List 和节点，
if (!InitTreeViewImageLists(hwndTV) ||
!InitTreeViewItems(hwndTV))
{
DestroyWindow(hwndTV);
return NULL;
}
return hwndTV;
}
/*
* CreateTreeView - creates a tree view control.
* Returns the handle to the new control if successful, or NULL otherwise.
* hwndParent - handle to the control's parent window.
*/
HWND CreateTreeView(HWND hwndParent, LPWSTR pHostName, UINT id)
{
RECT rcClient;
HWND hwndTV;
WCHAR TreeView[] = {'T','r','e','e',' ','V','i','e','w',0};
/* Get the dimensions of the parent window's client area, and create the tree view control. */
GetClientRect(hwndParent, &rcClient);
hwndTV = CreateWindowExW(WS_EX_CLIENTEDGE, WC_TREEVIEWW, TreeView,
WS_VISIBLE | WS_CHILD | WS_TABSTOP | TVS_HASLINES | TVS_HASBUTTONS | TVS_LINESATROOT | TVS_EDITLABELS,
0, 0, rcClient.right, rcClient.bottom,
hwndParent, ULongToHandle(id), hInst, NULL);
SendMessageW(hwndTV, TVM_SETUNICODEFORMAT, TRUE, 0);
/* Initialize the image list, and add items to the control. */
if (!InitTreeViewImageLists(hwndTV) || !InitTreeViewItems(hwndTV, pHostName)) {
DestroyWindow(hwndTV);
return NULL;
}
return hwndTV;
}