Rebar / Coolbar 'visker' dele af baggrunden væk

Kode 

#define NTDDI_VERSION NTDDI_WIN2K
#define _WIN32_WINNT 0x0500
#define WINVER 0x0500
#define _WIN32_IE 0x0600

#include <windows.h>
#include <commctrl.h>

#pragma comment(linker, "/manifestdependency:\"type='win32' name='Microsoft.Windows.Common-Controls' version='6.0.0.0' processorArchitecture='x86' publicKeyToken='6595b64144ccf1df' language='*'\"")

HWND hRebar;
HWND hToolbar;
HWND hEdit;

DWORD dwSize;

LRESULT CALLBACK WndProc(HWND, UINT, WPARAM, LPARAM);
VOID InitCCEx(void);
VOID CreateRebar(HWND);

// Application entry
int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, PSTR szCmdLine, int iCmdShow)
{
	const TCHAR szClass[] = TEXT("RebarSampleApp");

	WNDCLASS wc;
	HWND     hwnd;
	MSG      msg;

	wc.cbClsExtra    = 0;
	wc.cbWndExtra    = 0;
	wc.hbrBackground = (HBRUSH)COLOR_BACKGROUND;
	wc.hCursor       = LoadCursor(NULL, IDC_ARROW);
	wc.hIcon         = LoadIcon(NULL, IDI_APPLICATION);
	wc.hInstance     = hInstance;
	wc.lpfnWndProc   = WndProc;
	wc.lpszClassName = szClass;
	wc.lpszMenuName  = NULL;
	wc.style         = CS_DBLCLKS;

	RegisterClass(&wc);

	// Initiate common controls
	InitCCEx();

	hwnd = CreateWindowEx(0L, szClass, TEXT("Rebar sample application"),
		WS_OVERLAPPEDWINDOW,
		CW_USEDEFAULT, CW_USEDEFAULT,
		300, 300,
		NULL, NULL, hInstance, NULL);

	// Add menu
	HMENU hMenu = CreateMenu();
	HMENU hFile = CreateMenu();
	HMENU hHelp = CreateMenu();

	AppendMenu(hFile, MF_STRING, 0, TEXT("Ny\tCtrl+N"));
	AppendMenu(hFile, MF_STRING, 0, TEXT("Åben...\tCtrl+O"));
	AppendMenu(hFile, MF_STRING, 0, TEXT("Gem\tCtrl+S"));
	AppendMenu(hFile, MF_STRING, 0, TEXT("Gem som...\tCtrl+Shift+S"));
	AppendMenu(hFile, MF_SEPARATOR, 0, 0);
	AppendMenu(hFile, MF_STRING, 0, TEXT("Afslut"));

	AppendMenu(hHelp, MF_STRING, 0, TEXT("Om...\tF1"));

	AppendMenu(hMenu, MF_POPUP, (UINT)hFile, TEXT("&Filer"));
	AppendMenu(hMenu, MF_POPUP, (UINT)hHelp, TEXT("&Hjælp"));
	SetMenu(hwnd, hMenu);

	ShowWindow(hwnd, iCmdShow);
	UpdateWindow(hwnd);

	while (GetMessage(&msg, NULL, 0, 0))
	{
		TranslateMessage(&msg);
		DispatchMessage(&msg);
	}
	return msg.wParam;
}

// Init common controls function
void InitCCEx(void)
{
	INITCOMMONCONTROLSEX ccex;
	ccex.dwICC  = ICC_COOL_CLASSES | ICC_BAR_CLASSES;
	ccex.dwSize = sizeof(INITCOMMONCONTROLSEX);
	InitCommonControlsEx(&ccex);
}

// Create rebar control
// This function also creates the toolbar,
// it being a part of the rebar
void CreateRebar(HWND hwnd)
{
	hRebar = CreateWindowEx(0L, REBARCLASSNAME, NULL,
		WS_CHILD | WS_VISIBLE | WS_BORDER | CCS_NODIVIDER,
		0, 0, 100, 25,
		hwnd, NULL, NULL, NULL);

	REBARBANDINFO bandinfo;

	hToolbar = CreateWindowEx(0L, TOOLBARCLASSNAME, NULL,
		WS_CHILD | WS_VISIBLE | TBSTYLE_FLAT | CCS_NODIVIDER,
		0, 0, 0, 0,
		hwnd, NULL, NULL, NULL);

	// Get the size of the tool bar
	dwSize = SendMessage(hToolbar, TB_GETBUTTONSIZE, 0, 0);

	// Add buttons
	TBBUTTON buttons[2];
	memset(&buttons, 0, sizeof(buttons));

	buttons[0].fsState = TBSTATE_ENABLED;
	buttons[0].fsStyle = TBSTYLE_BUTTON;
	buttons[1].fsState = TBSTATE_ENABLED;
	buttons[1].fsStyle = TBSTYLE_BUTTON;

	SendMessage(hToolbar, TB_BUTTONSTRUCTSIZE, sizeof(TBBUTTON), 0);
	SendMessage(hToolbar, TB_AUTOSIZE, 0, 0);

	UINT uNumBtns = sizeof(buttons) / sizeof(TBBUTTON);
	SendMessage(hToolbar, TB_ADDBUTTONS, uNumBtns, (LPARAM)buttons);

	bandinfo.cbSize     = sizeof(REBARBANDINFO);
	bandinfo.cyMinChild = LOWORD(dwSize);
	bandinfo.cx         = HIWORD(dwSize);
	bandinfo.fMask      = RBBIM_CHILD | RBBIM_CHILDSIZE;
	bandinfo.hwndChild  = hToolbar;

	SendMessage(hRebar, RB_INSERTBAND, 0, (LPARAM)&bandinfo);
}

// Windows procedure
LRESULT CALLBACK WndProc(HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam)
{
	switch (message)
	{
	case WM_CREATE:
		CreateRebar(hwnd);

		hEdit = CreateWindow(TEXT("EDIT"), TEXT("<Edit>..."),
			WS_CHILD | WS_VISIBLE | WS_HSCROLL | WS_VSCROLL | ES_MULTILINE,
			0, 0, 0, 0,
			hwnd, NULL, NULL, NULL);
		SendMessage(hEdit, WM_SETFONT, (WPARAM)GetStockObject(DEFAULT_GUI_FONT), TRUE);
		return 0;

	case WM_SIZE:
		MoveWindow(hRebar, 0, 0, LOWORD(lParam), HIWORD(lParam), FALSE);
		MoveWindow(hEdit,  0, HIWORD(dwSize) + 1, LOWORD(lParam), HIWORD(lParam) - HIWORD(dwSize) - 1, FALSE);
		return 0;

	case WM_DESTROY:
		PostQuitMessage(0);
		return 0;
	}

	return DefWindowProc(hwnd, message, wParam, lParam);
}