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'Substracting' bitfields

Started by Tree Penguin Jan 9, 2004 at 5:11 AM 3 replies 350+ views

Original Post

Jan 9, 2004 at 5:11 AM

I am not really sure they are called bitfields but i use this code adding bitfields to the window style in the precreatewindow function: cs.style |= WS_CLIPSIBLINGS | WS_CLIPCHILDREN; By this, you add those properties, is there a way to ''substract'' properties? Thanks, TP

falkone

Jan 9, 2004 at 7:01 AM

Re-create the window with the changes you wish to make.

VolkerG

Jan 9, 2004 at 7:06 AM

You mean &= ~(flags)?

Crispy

Jan 9, 2004 at 7:11 AM

AFAIK you can update window flags by calling SetWindowLong(). Don''t have the time to check it now, though. As for bitwise manipulation on a variable, VolkerG posted an elegnt solution.

Tree Penguin

Jan 9, 2004 at 7:14 AM

VolkerG: YES THANKS!!!

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