IFont::SetHdc
Provides a
device context to the font that describes the logical mapping mode.
HRESULT
SetHdc(
|
HDC hdc |
//Device
context handle |
|
); |
|
Parameters
hdc
[in] Handle
to the device context in which to select the font.
Return Values
The method
supports the standard return value E_INVALIDARG, as well as the following:
S_OK
The font was
selected successfully.
E_NOTIMPL
The font
selection is not supported through this font object.
Remarks
The logical
mapping mode affects the font s internal computation of its point size so that
when the caller asks for a font handle by calling IFont::GetHfont, the
font is already properly scaled to the device context.
Notes to Callers
The caller
retains ownership of this device context which must remain valid for the
lifetime of the font object. Thus, the device context passed should be a memory
device context (from the Win32 function CreateCompatibleDC) and not a
screen device context (from CreateDC, GetDC, or BeginPaint)
because screen device contexts are a limited system resource.