win32 sdk 列表视图控件绘制

1. //////////////////////////////////////////////////////////////
2. LRESULT ListViewCustomDraw(HWND hwnd, LPARAM lParam)
3. {
4. LPNMHDR pnmh = (LPNMHDR) lParam;
5. if (pnmh->code != NM_CUSTOMDRAW) return 0;
6. LPNMLVCUSTOMDRAW lpNMCustomDraw = (LPNMLVCUSTOMDRAW) lParam;
7. int nResult = CDRF_DODEFAULT;
8. if (CDDS_PREPAINT == lpNMCustomDraw->nmcd.dwDrawStage)
9. {
10. nResult = CDRF_NOTIFYITEMDRAW;
11. }
12. else if (CDDS_ITEMPREPAINT == lpNMCustomDraw->nmcd.dwDrawStage)
13. {
14. nResult = CDRF_NOTIFYSUBITEMDRAW;
15. }
16. else if ((CDDS_ITEMPREPAINT | CDDS_SUBITEM) == lpNMCustomDraw->nmcd.dwDrawStage)
17. {
18. nResult = CDRF_SKIPDEFAULT;
19. const DWORD dwStyle = DT_LEFT | DT_SINGLELINE | DT_VCENTER | DT_NOPREFIX | DT_END_ELLIPSIS;
20. HDC hdc = lpNMCustomDraw->nmcd.hdc;
21. SetBkMode(hdc,TRANSPARENT);
22. int nItem = (int)lpNMCustomDraw->nmcd.dwItemSpec;
23. int nSubItem = lpNMCustomDraw->iSubItem;
24. BOOL bItemSelected = ListView_GetItemState(hwnd, nItem, LVIS_SELECTED);
25. RECT subItemRect;
26. ListView_GetSubItemRect(hwnd, nItem, nSubItem, LVIR_BOUNDS, &subItemRect);
27. //
28. HBRUSH brsh=0;
29. if (bItemSelected)
30. {   //OutputDebugString("bItemSelected\n");
31. brsh=CreateSolidBrush(RGB(255, 128, 128));//yellow
32. FillRect(hdc, &subItemRect,brsh);
33. }
34. else
35. {// not Selected
36. brsh=CreateSolidBrush(RGB(51+nItem*30, 153, 255-nItem*30));
37. FillRect(hdc, &subItemRect,brsh);
38. }
39. if(brsh) DeleteObject(brsh);
40. //
41. TCHAR szText[260];
42. ListView_GetItemText(hwnd, nItem, nSubItem, szText, 260);
43. DrawText(hdc, szText, strlen(szText), &subItemRect, dwStyle);
44. }
45. return nResult;
46. }

关键：
else
{// not Selected
brsh=CreateSolidBrush(RGB(51+nItem*30, 153, 255-nItem*30));
FillRect(hdc, &subItemRect,brsh);
}