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ender_341

(Resolved) WIN32: using sizeof(TBBUTTON) gets an error

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I get this error when using sizeof(TBBUTTON): Unhandled exception at 0x5d0970a2 in Resources2.exe: 0xC0000005: Access violation reading location 0xcccccccc. I have no clue what this means, if you need source code or anything just ask [Edited by - ender_341 on June 18, 2005 10:56:29 PM]

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const int NUMBUTTONS = 8;


INITCOMMONCONTROLSEX InitCtrlEx;

InitCtrlEx.dwSize = sizeof(INITCOMMONCONTROLSEX);
InitCtrlEx.dwICC = ICC_BAR_CLASSES;
InitCommonControlsEx(&InitCtrlEx);

TBBUTTON tbrButtons[7];

tbrButtons[0].iBitmap = 0;
tbrButtons[0].idCommand = IDM_FILE_NEW;
tbrButtons[0].fsState = TBSTATE_ENABLED;
tbrButtons[0].fsstyle = TBstyle_BUTTON;
tbrButtons[0].dwData = 0L;
tbrButtons[0].iBitmap = 0;
tbrButtons[0].iString = 0;

tbrButtons[1].iBitmap = 1;
tbrButtons[1].idCommand = IDM_FILE_OPEN;
tbrButtons[1].fsState = TBSTATE_ENABLED;
tbrButtons[1].fsstyle = TBstyle_BUTTON;
tbrButtons[1].dwData = 0L;
tbrButtons[1].iString = 0;

tbrButtons[2].iBitmap = 0;
tbrButtons[2].idCommand = 0;
tbrButtons[2].fsState = TBSTATE_ENABLED;
tbrButtons[2].fsstyle = TBstyle_SEP;
tbrButtons[2].dwData = 0L;
tbrButtons[2].iString = 0;

tbrButtons[3].iBitmap = 2;
tbrButtons[3].idCommand = IDM_ARROW;
tbrButtons[3].fsState = TBSTATE_ENABLED;
tbrButtons[3].fsstyle = TBstyle_BUTTON;
tbrButtons[3].dwData = 0L;
tbrButtons[3].iString = 0;

tbrButtons[4].iBitmap = 3;
tbrButtons[4].idCommand = IDM_DRAW_LINE;
tbrButtons[4].fsState = TBSTATE_ENABLED;
tbrButtons[4].fsstyle = TBstyle_BUTTON;
tbrButtons[4].dwData = 0L;
tbrButtons[4].iString = 0;

tbrButtons[5].iBitmap = 4;
tbrButtons[5].idCommand = IDM_DRAW_RECTANGLE;
tbrButtons[5].fsState = TBSTATE_ENABLED;
tbrButtons[5].fsstyle = TBstyle_BUTTON;
tbrButtons[5].dwData = 0L;
tbrButtons[5].iString = 0;

tbrButtons[6].iBitmap = 5;
tbrButtons[6].idCommand = IDM_DRAW_ELLIPSE;
tbrButtons[6].fsState = TBSTATE_ENABLED;
tbrButtons[6].fsstyle = TBstyle_BUTTON;
tbrButtons[6].dwData = 0L;
tbrButtons[6].iString = 0;

HWND hWndToolbar;
hWndToolbar = CreateToolbarEx(hWnd,
WS_VISIBLE | WS_CHILD | WS_BORDER,
IDB_STANDARD,
NUMBUTTONS,
hInst,
IDB_STANDARD,
tbrButtons,
NUMBUTTONS,
16, 16, 16, 16,
sizeof(TBBUTTON));
}

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The problem is you are adding 8 buttons (const int NUMBUTTONS = 8), yet you have only filled out an array with 7 buttons [0->6].

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