[Bug 18041] Teamviewer 4 crash on Add group of Partner List

[wine-bugs at winehq.org]

http://bugs.winehq.org/show_bug.cgi?id=18041





--- Comment #12 from mst at collogia.de  2009-09-08 10:13:46 ---
Hi,

I do not know if this is a desired solution but modifying GdiAlphaBlend in
bitblt.c does the trick and application works as desired.

BOOL WINAPI GdiAlphaBlend(...)
{
    BOOL ret = FALSE;
    DC *dcDst, *dcSrc;

    dcSrc = get_dc_ptr( hdcSrc );

    if ( !dcSrc ) return ret; <-- Insert this to get around nil Pointer

    if ((dcDst = get_dc_ptr( hdcDst )))
    {

Best regards

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