'how to use hDevMode from PRINTDLGA

how to cast HGLOBAL to DEVMODE? I tried like this:

PRINTDLG pd;
pd.hDevMode = NULL;
if(PrintDlg(&pd)){
    DEVMODE* test=(DEVMODE*)pd.hDevMode;
c++winapi


Solution 1:[1]

Per the PRINTDLGA documentation:

hDevMode

Type: HGLOBAL

A handle to a movable global memory object that contains a DEVMODE structure.

So, use GlobalLock() to access the DEVMODE, eg:

PRINTDLG pd = {};
pd.lStructSize = sizeof(pd);
...

if (PrintDlg(&pd)){
    DEVMODE* test = (DEVMODE*) GlobalLock(pd.hDevMode);
    // use test as needed...
    GlobalUnlock(pd.hDevMode);
    GlobalFree(pd.hDevMode);
}

Sources

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Source: Stack Overflow

Solution Source
Solution 1 Remy Lebeau

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