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1120745
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0
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0
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0
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CreationDate
2009-07-13T16:56:48.910
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2009-07-13T16:56:48.910
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1099277
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2
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text
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Thanks to all who gave advice and help. I now have this working to my satisfaction. I have successfully colored the buttons and surrounded them with a black outline if selected or if they have the input focus. I'll add some code snippets below to show the final state of things but here is synopsis. First, I believe there is some legacy code in my system which makes owner drawn buttons respond to the WM_CTLCOLORBTN for the first child 64 buttons created. Second, I believe the only thing one needs to do is create the buttons, respond properly to the WM_DRAWITEM and WM_COMMAND/BN_CLICKED messages. Here are the code snippets from my dialog box handler. In the WM_INITDIALOG code -- create the buttons <pre><code> for (i=0; i<=255; i++) { int xp, yp; HWND status; xp = rect_pos.left+16*(i&0x0F); yp = rect_pos.top+16*(i>>4); status = CreateWindow ( TEXT("button"), "\0", WS_CHILD|WS_VISIBLE|WS_TABSTOP|BS_OWNERDRAW, xp, yp, 15, 15, hDlg, (HMENU) (5000+i), // id used to report events hInst, NULL ); if (status == NULL) xp =7; SetFocus (status); } </code></pre> Respond to the WM_DRAWITEM message <pre><code>case WM_DRAWITEM: // Owner drawn botton { LPDRAWITEMSTRUCT lpDrawItem; HBRUSH BS, BS_Old; HPEN PN_Old; int sz=15; int cntl; cntl = LOWORD (wParam) - 5000; lpDrawItem = (LPDRAWITEMSTRUCT) lParam; if (lpDrawItem->CtlType != ODT_BUTTON) return FALSE; BS = CreateSolidBrush (ColorRef[cntl]); if (lpDrawItem->itemState & (ODS_SELECTED | ODS_FOCUS)) { sz = 14; PN_Old = (HPEN) SelectObject(lpDrawItem->hDC, GetStockObject(BLACK_PEN)); } else PN_Old = (HPEN) SelectObject(lpDrawItem->hDC, GetStockObject(NULL_PEN)); BS_Old = (HBRUSH) SelectObject(lpDrawItem->hDC, BS); Rectangle (lpDrawItem->hDC, 0, 0, sz, sz); SelectObject(lpDrawItem->hDC, PN_Old); SelectObject(lpDrawItem->hDC, BS_Old); DeleteObject (BS); return true; } </code></pre> and finally in the WM_COMMAND code <pre><code> if (HIWORD(wParam) == BN_CLICKED) { if ((LOWORD(wParam) >= 5000) && (LOWORD(wParam) <=5255)) { Color[0] = ColorRef[LOWORD(wParam)-5000] & 0xFF; Color[1] = (ColorRef[LOWORD(wParam)-5000] >> 16) & 0xFF; Color[2] = (ColorRef[LOWORD(wParam)-5000] >> 8 ) & 0xFF; InvalidateRect (hDlg, NULL, TRUE); goto Set_Color; } } </code></pre>
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1. This table or related slice is empty.
PostParentId
1. POlimit of 64 ownerdraw createwindow buttons
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1. PTAnswer
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1. This table or related slice is empty.
UserOwnerUserId
1. USMike D
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