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CentOS 7.0 - man page for xtgetgc (centos section 3)

XtGetGC(3)				   XT FUNCTIONS 			       XtGetGC(3)

NAME
       XtGetGC, XtReleaseGC - obtain and destroy a sharable GC

SYNTAX
       GC XtGetGC(Widget w, XtGCMask value_mask, XGCValues *values);

       void XtReleaseGC(Widget w, GC gc);

ARGUMENTS
       gc	 Specifies the GC to be deallocated.

       values	 Specifies the actual values for this GC.

       value_mask
		 Specifies which fields of the values are specified.

       w	 Specifies the widget.

DESCRIPTION
       The XtGetGC function returns a sharable, read-only GC.  The parameters to this function
       are the same as those for XCreateGC except that a widget is passed instead of a display.
       XtGetGC shares only GCs in which all values in the GC returned by XCreateGC are the same.
       In particular, it does not use the value_mask provided to determine which fields of the GC
       a widget considers relevant.  The value_mask is used only to tell the server which fields
       should be filled in with widget data and which it should fill in with default values.  For
       further information about value_mask and values, see XCreateGC in the Xlib - C Language X
       Interface.

       The XtReleaseGC function deallocate the specified shared GC.

SEE ALSO
       X Toolkit Intrinsics - C Language Interface
       Xlib - C Language X Interface

X Version 11				   libXt 1.1.4				       XtGetGC(3)


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