VioGetState

Gets the current settings of the:

• Blink and background intensity switch
• Color registers
• Overscan (border) color
• Palette registers
• Target VioSetMode display configuration
• Underline location

Syntax

VioGetState(RequestBlock, VioHandle)

Parameters

RequestBlock (PVIOD) - in/out

Request block.

The address of the video-state structures consisting of six different structures depending on the request type:

Type	Definition
0	Get palette registers
1	Get overscan (border) color
2	Get blink and background intensity switch
3	Get color registers
4	Reserved
5	Get the scan line for underlining
6	Get target VioSetMode display configuration

The six structures, depending on request type, are:

• VIOPALSTATE
• VIOOVERSCAN
• VIOINTENSITY
• VIOCOLORREG
• VIOSETULINELOC
• VIOSETTARGET

VioHandle (HVIO) - input

Reserved. Must be 0.

Return Code

rc (APIRET) - returns

VioGetState returns one of the following values:

• 0 NO_ERROR
• 355 ERROR_VIO_MODE
• 421 ERROR_VIO_INVALID_PARMS
• 436 ERROR_VIO_INVALID_HANDLE
• 438 ERROR_VIO_INVALID_LENGTH

Remarks

Note: VioGetState allows access to hardware-dependent features. Not all video hardware will honor these settings or return valid settings.