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case WM_SETCURSOR:
if(HIWORD(lParam) == WM_LBUTTONDOWN)
{
goto LButtonDown;
}
else if(HIWORD(lParam) == WM_MOUSEMOVE)
{
goto LButtonMove;
}
else if(HIWORD(lParam) == WM_LBUTTONUP)
{
goto LButtonUp;
}
else if(HIWORD(lParam) == WM_RBUTTONDOWN)//鼠标右键
{
GetCursorPos(&ptScreen);
TrackPopupMenu(hMenuSet, TPM_BOTTOMALIGN, ptScreen.x, ptScreen.y, 0, hWnd, NULL);
}