第1个回答 2008-06-06
参数是一个索引，目的是得到系统预定义的画刷、字体、以及字体。
Selects a CGdiObject object that corresponds to one of the predefined stock pens, brushes, or fonts.
virtual CGdiObject* SelectStockObject(
int nIndex
);
Parameters
nIndex
Specifies the kind of stock object desired. It can be one of the following values:
BLACK_BRUSH Black brush.
DKGRAY_BRUSH Dark gray brush.
GRAY_BRUSH Gray brush.
HOLLOW_BRUSH Hollow brush.
LTGRAY_BRUSH Light gray brush.
NULL_BRUSH Null brush.
WHITE_BRUSH White brush.
BLACK_PEN Black pen.
NULL_PEN Null pen.
WHITE_PEN White pen.
ANSI_FIXED_FONT ANSI fixed system font.
ANSI_VAR_FONT ANSI variable system font.
DEVICE_DEFAULT_FONT Device-dependent font.
OEM_FIXED_FONT OEM-dependent fixed font.
SYSTEM_FONT The system font. By default, Windows uses the system font to draw menus, dialog-box controls, and other text. In Windows versions 3.0 and later, the system font is proportional width; earlier versions of Windows use a fixed-width system font.
SYSTEM_FIXED_FONT The fixed-width system font used in Windows prior to version 3.0. This object is available for compatibility with earlier versions of Windows.
DEFAULT_PALETTE Default color palette. This palette consists of the 20 static colors in the system palette.