GetDisplayMode()

Retrieve information of a display mode.

APTR xrGetDisplayMode(LONG Index)

Parameter	Description
Index	Index of the display mode to retrieve.

This function returns the width, height and depth of a given display mode.

Result

An xrMode structure is returned or NULL on failure.

GetDisplayTotal()

Returns the total number of display modes.

LONG xrGetDisplayTotal()

This function returns the total number of known display modes.

Result

Returns the total number of known display modes.

SetDisplayMode()

Change the width and height of the display.

ERR xrSetDisplayMode(LONG * Width, LONG * Height)

Parameter	Description
Width	The required width of the display.
Height	The required height of the display.

This function changes the width and height of the display to that indicated by the Width and Height parameters. If the requested size does not match a known mode, the closest matching mode will be chosen.

Error Codes

Okay	Operation successful.

xrMode Structure

Display mode.

Field	Type	Description
Width	LONG	Horizontal
Height	LONG	Vertical
Depth	LONG	bit depth

XRandR Module

Functions

Structures

GetDisplayMode()

Result

GetDisplayTotal()

Result

SetDisplayMode()

Error Codes

xrMode Structure