SCREENINFO


Retrieves information about current video mode or the desktop.

Syntax:
declare sub Screeninfo ( byref w as integer = 0, byref h as integer = 0, byref depth as integer = 0, byref bpp as integer = 0, byref pitch as integer = 0, byref rate as integer = 0, byref driver as string = "" )

Usage:
Screeninfo [ w ] [, [ h ] [, [ depth ] [ , [ bpp ] [ , [ pitch ] [ , [ rate ] [, driver ]]]]]

Parameters:
w
Width.
h
Height.
depth
Color depth in bits.
bpp
Bytes per pixel.
pitch
Bytes per scan line.
rate
Refresh rate.
driver
Driver name.

Description:
This function can be useful to get current mode informations like graphics driver name, color depth, screen size and more.

If Screeninfo is called when no graphics mode is set, it returns the information about the desktop.

Here's a description of available fields:

w Width of the screen in pixels
h Height of the screen in pixels
depth Current pixel format bits per pixel: this can be 1, 2, 4, 8, 16, or 32
bpp Bytes per pixel
pitch Size of a framebuffer row in bytes
rate Current refresh rate, or 0 if unknown
driver Name of current graphics driver in use, like DirectX or X11


Examples:
Dim w As Integer, h As Integer
Dim depth As Integer
Dim driver_name As String

Screen 15, 32
' Obtain info about current mode
ScreenInfo w, h, depth,,,,driver_name
Print Str(w) + "x" + Str(h) + "x" + Str(depth);
Print " using " + driver_name + " driver"
Sleep
' Quit graphics mode and obtain info about desktop
Screen 0
ScreenInfo w, h, depth
Print "Desktop running at " + Str(w) + "x" + Str(h) + "x" + Str(depth);


Dialect Differences:
Differences from QB:
See also:
Back to Screen Functions
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