Retrieving the value of a capabilityΒΆ
GetDeviceCaps() |
Retrieve the value of a capability |
SYNTAX
GetDeviceCaps(window_id, capability)
Interrogate a device to return the value of a specified capability. The function returns TRUE or FALSE if a Boolean capability is asked for, or else returns the value of the capability itself. See the MSDN Library documentation on GetDeviceCaps for further information.
window_id |
If a window_id is specified, the device interrogated is the windows device driver of the graphic display. If NULL is specified, the current printer is interrogated. |
capability |
The capabilities which may be interrogated are listed under Device capabilities in $SCULPTOR/include/draw.h. |
EXAMPLE
Retrieve the number of pixels per inch in the x and y axes
!temp Pixperinch_x,,i4
!temp Pixperinch_y,,i4
Pixperinch_x = GetDeviceCaps(Window1, LOGPIXELSX)
Pixperinch_y = GetDeviceCaps(Window1, LOGPIXELSY)
RELATED TOPICS |