Page 228 - DCAP408_WEB_PROGRAMMING

Windows Programming

Notes 14.5 Changing the Device Context

The following functions are used with device contexts.

Function Description
CancelDC Cancels any pending operation on the specified device context.
ChangeDisplaySettings Changes the settings of the default display device to the specified
graphics mode.
ChangeDisplaySettingsEx Changes the settings of the specified display device to the specified
graphics mode.
CreateCompatibleDC Creates a memory device context compatible with the specified
device.
CreateDC Creates a device context for a device using the specified name.
CreateIC Creates an information context for the specified device.
DeleteDC Deletes the specified device context.
DeleteObject Deletes a logical pen, brush, font, bitmap, region, or palette, freeing
all system resources associated with the object.
DeviceCapabilities Retrieves the capabilities of a printer device driver.
DrawEscape Provides drawing capabilities of the specified video display that are
not directly available through the graphics device interface.
EnumDisplayDevices Retrieves information about the display devices in a system.
EnumDisplaySettings Retrieves information about one of the graphics modes for a display
device.
EnumDisplaySettingsEx Retrieves information about one of the graphics modes for a display
device.
EnumObjects Enumerates the pens or brushes available for the specified device
context.
EnumObjectsProc An application-defined callback function used with
the EnumObjects function.
GetCurrentObject Retrieves a handle to an object of the specified type that has been
selected into the specified device context.
GetDC Retrieves a handle to a display device context for the client area of a
specified window or for the entire screen.
GetDCBrushColor Retrieves the current brush color for the specified device context.
GetObject Retrieves information for the specified graphics object.
GetObjectType Retrieves the type of the specified object.
GetStockObject Retrieves a handle to one of the stock pens, brushes, fonts, or
palettes.
ReleaseDC Releases a device context, freeing it for use by other applications.
ResetDC Updates the specified printer or plotter device context using the
specified information.
SelectObject Selects an object into the specified device context.
SetDCBrushColor Sets the current device context brush color to the specified color
value.
SetDCPenColor Sets the current device context pen color to the specified color value.
SetLayout Sets the layout for a device context.

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