Witam. Postepuje zgodnie z kursem WinAPI ze strony http://cpp0x.pl/kursy/Kurs-WinAPI-C++/Kontrolki/Drzewo-TreeView/206
Jednak nie widzę żadnych efektów pojawienia sie kontrolki. macie jakieś pomysły?
#include <windows.h>
#include <CommCtrl.h>
HWND hDrzewko;
LRESULT CALLBACK WindowProcedure (HWND, UINT, WPARAM, LPARAM);
CHAR szClassName[ ] = "CodeBlocksWindowsApp";
int WINAPI WinMain (HINSTANCE hThisInstance,
HINSTANCE hPrevInstance,
LPSTR lpszArgument,
int nCmdShow)
{
HWND hwnd;
MSG messages;
WNDCLASSEX wincl;
wincl.hInstance = hThisInstance;
wincl.lpszClassName = szClassName;
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 = NULL;
wincl.cbClsExtra = 0;
wincl.cbWndExtra = 0;
wincl.hbrBackground = (HBRUSH) COLOR_BACKGROUND;
if (!RegisterClassEx (&wincl))
return 0;
hwnd = CreateWindowEx (
0,
szClassName,
"Code::Blocks Template Windows App",
WS_OVERLAPPEDWINDOW,
CW_USEDEFAULT,
CW_USEDEFAULT,
544,
375,
HWND_DESKTOP,
NULL,
hThisInstance,
NULL
);
hDrzewko = CreateWindowEx( 0, "SysTreeView", "Drzewko", WS_CHILD | WS_VISIBLE | WS_BORDER | TVS_HASBUTTONS | TVS_HASLINES | TVS_LINESATROOT, 5, 5, 300, 450, hwnd,( HMENU ) 1001, hThisInstance, NULL );
{
TVITEM tvi;
tvi.mask = TVIF_TEXT;
tvi.pszText = "Element Jeden";
TVINSERTSTRUCT tvins;
tvins.item = tvi;
tvins.hParent = tvins.hInsertAfter = TVI_ROOT;
HTREEITEM hItem1 = TreeView_InsertItem( hDrzewko, & tvins );
}
ShowWindow (hwnd, nCmdShow);
while (GetMessage (&messages, NULL, 0, 0))
{
TranslateMessage(&messages);
DispatchMessage(&messages);
}
return messages.wParam;
}
LRESULT CALLBACK WindowProcedure (HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam)
{
switch (message)
{
case WM_DESTROY:
PostQuitMessage (0);
break;
default:
return DefWindowProc (hwnd, message, wParam, lParam);
}
return 0;
}