在窗口中建立TREE窗口,能够正常显示,节点点击也都正常,但就是点击几次根节点后整个树就消失了,需要重新移动整个窗口或resize窗口的时候tree才会重新出来,请问我该怎么办啊?
若是把tree放到dialog窗口里面倒是正常的,谢谢各位请帮帮忙,我已经google了一天了没结果!
case WM_CREATE:
InitCommonControls();
hwndTreeContent = CreateWindowEx(
0, // no extended styles
WC_TREEVIEW, // window class
NULL, // text for window title bar
WS_CHILD | // window styles
WS_VISIBLE|
WS_BORDER |
TVS_HASBUTTONS|
TVS_HASLINES |
TVS_LINESATROOT,
0, // default horizontal position
0, // default vertical position
190, // default width
300, // default height
hWnd, // no parent for overlapped windows
(HMENU)4, // window class menu
hInst, // instance owning this window
(LPVOID) NULL // pointer not needed
); insertTree(hwndTreeContent,TVI_ROOT,"root",TRUE,NULL); //insertTree是我加节点的一个函数
insertTree(hwndTreeContent,rootitem,"child1",TRUE,NULL);
insertTree(hwndTreeContent,rootitem,"child2",TRUE,NULL);
break;
若是把tree放到dialog窗口里面倒是正常的,谢谢各位请帮帮忙,我已经google了一天了没结果!
case WM_CREATE:
InitCommonControls();
hwndTreeContent = CreateWindowEx(
0, // no extended styles
WC_TREEVIEW, // window class
NULL, // text for window title bar
WS_CHILD | // window styles
WS_VISIBLE|
WS_BORDER |
TVS_HASBUTTONS|
TVS_HASLINES |
TVS_LINESATROOT,
0, // default horizontal position
0, // default vertical position
190, // default width
300, // default height
hWnd, // no parent for overlapped windows
(HMENU)4, // window class menu
hInst, // instance owning this window
(LPVOID) NULL // pointer not needed
); insertTree(hwndTreeContent,TVI_ROOT,"root",TRUE,NULL); //insertTree是我加节点的一个函数
insertTree(hwndTreeContent,rootitem,"child1",TRUE,NULL);
insertTree(hwndTreeContent,rootitem,"child2",TRUE,NULL);
break;
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#include <windows.h>
#include <stdio.h>
#include <commctrl.h>HTREEITEM insertTree(HWND hTree, HTREEITEM hRoot, LPCTSTR name, bool children, LPARAM lParam);
HWND hwndMain,hwndTreeContent;
HINSTANCE hInst;LRESULT CALLBACK WndProc(
HWND hwnd, // handle to window
UINT uMsg, // message identifier
WPARAM wParam, // first message parameter
LPARAM lParam // second message parameter
);int WINAPI WinMain(
HINSTANCE hInstance, // handle to current instance
HINSTANCE hPrevInstance, // handle to previous instance
LPSTR lpCmdLine, // command line
int nCmdShow // show state
)
{
hInst = hInstance; WNDCLASSEX wndex;
wndex.cbClsExtra = 0;
wndex.cbSize = sizeof(WNDCLASSEX);
wndex.cbWndExtra = 0;
wndex.hbrBackground = (HBRUSH)(LTGRAY_BRUSH);
wndex.hCursor = LoadCursor(hInstance,IDC_ARROW);
wndex.hIcon = LoadIcon(NULL,IDI_QUESTION);
wndex.hIconSm = LoadIcon(NULL,IDI_QUESTION);
wndex.hInstance = hInstance;
wndex.lpfnWndProc = WndProc;
wndex.lpszClassName = "xuaisi";
wndex.lpszMenuName = NULL;
wndex.style = CS_HREDRAW | CS_VREDRAW; RegisterClassEx(&wndex);
hwndMain = CreateWindow("xuaisi","Map Editor",WS_OVERLAPPEDWINDOW|WS_CLIPCHILDREN ,0,0,800,600,NULL,NULL,hInstance,NULL); ShowWindow(hwndMain,SW_SHOWNORMAL);
UpdateWindow(hwndMain); MSG msg;
while(GetMessage(&msg,NULL,0,0))
{
TranslateMessage(&msg);
DispatchMessage(&msg);
}
return 0;
}LRESULT CALLBACK WndProc(
HWND hWnd, // handle to window
UINT uMsg, // message identifier
WPARAM wParam, // first message parameter
LPARAM lParam // second message parameter
)
{
HTREEITEM rootitem,roleItem;
switch(uMsg)
{
case WM_CREATE:
InitCommonControls();
hwndTreeContent = CreateWindowEx(
0, // no extended styles
WC_TREEVIEW, // window class
NULL, // text for window title bar
WS_CHILD | // window styles
WS_VISIBLE|
WS_BORDER |
TVS_HASBUTTONS|
TVS_HASLINES |
TVS_LINESATROOT,
0, // default horizontal position
0, // default vertical position
190, // default width
300, // default height
hWnd, // no parent for overlapped windows
(HMENU)4, // window class menu
hInst, // instance owning this window
(LPVOID) NULL // pointer not needed
);
rootitem = insertTree(hwndTreeContent,TVI_ROOT,"地形",TRUE,NULL);
roleItem = insertTree(hwndTreeContent,rootitem,"人物",TRUE,NULL);
insertTree(hwndTreeContent,rootitem,"道具",TRUE,NULL);
insertTree(hwndTreeContent,rootitem,"建筑",TRUE,NULL);
insertTree(hwndTreeContent,roleItem,"主角",TRUE,NULL);
insertTree(hwndTreeContent,roleItem,"NPC",TRUE,NULL); break;
case WM_NOTIFY:
break;
case WM_LBUTTONDOWN:
break;
case WM_PAINT:
break;
case WM_CLOSE:
DestroyWindow(hWnd);
break;
case WM_DESTROY:
PostQuitMessage(0);
break;
default:
return DefWindowProc(hWnd,uMsg,wParam,lParam);
}
return 0;
}
HTREEITEM insertTree(HWND hTree, HTREEITEM hRoot, LPCTSTR name, bool children, LPARAM lParam)
{
TVINSERTSTRUCT tvis;
tvis.hParent = hRoot;
tvis.hInsertAfter = TVI_LAST;
tvis.itemex.mask = TVIF_TEXT | TVIF_IMAGE | TVIF_SELECTEDIMAGE | TVIF_PARAM;
tvis.itemex.hItem = NULL;
tvis.itemex.state = 0;
tvis.itemex.stateMask = 0;
tvis.itemex.pszText = (LPTSTR)name;
tvis.itemex.cchTextMax = sizeof(tvis.itemex.pszText)/sizeof(tvis.itemex.pszText[0]); tvis.itemex.iImage = NULL;
tvis.itemex.iSelectedImage = NULL;
tvis.itemex.cChildren = children ? TRUE : FALSE;
tvis.itemex.lParam = lParam;
tvis.itemex.iIntegral = 1; HTREEITEM hItem = TreeView_InsertItem(hTree, &tvis); return hItem;
}