QueryBufferPtrV Method

Description

Retrieves information about an image from a variant.

Syntax

Visual Basic
Public Sub QueryBufferPtrV( _ ByVal v As Variant, _ ByVal nPageNbr As Long, _ ByRef pnWidth As Long, _ ByRef pnHeight As Long, _ ByRef pnBPP As Integer, _ ByRef pnFormat As Integer, _ ByRef pnResUnits As Integer, _ ByRef pfResX As Double, _ ByRef pfResY As Double _ )

Visual Basic

Public Sub QueryBufferPtrV( _
   ByVal v As Variant, _
   ByVal nPageNbr As Long, _
   ByRef pnWidth As Long, _
   ByRef pnHeight As Long, _
   ByRef pnBPP As Integer, _
   ByRef pnFormat As Integer, _
   ByRef pnResUnits As Integer, _
   ByRef pfResX As Double, _
   ByRef pfResY As Double _
)

Parameters

v

The variant from which the image information will be retrieved.

nPageNbr

The page number inside the image to be queried.

pnWidth

The address of the long value, which will contain the width of the image after the call.

pnHeight

The address of the long value, which will contain the height of the image after the call.

pnBPP

The address of the integer value, which will contain the number of bits per pixel of the image after the call.

pnFormat

The address of the integer which will contain the format of the image in the memory buffer.

This will be one of the IX_ImageType enumerated values.

pnResUnits

The address of the integer value which will contain the resolution units of the image after the call.

pfResX

The address of a double value which will contain the x resolution of the image after the call.

pfResY

The address of a double value which will contain the y resolution of the image after the call.