MemoryExport Method

In This Topic

Description

Export an image to a global memory block

Syntax

Visual Basic
Public Function MemoryExport( _ ByVal Type As String, _ ByVal Information As Variant, _ ByRef Length As Long _ ) As Integer

Visual Basic

Public Function MemoryExport( _
   ByVal Type As String, _
   ByVal Information As Variant, _
   ByRef Length As Long _
) As Integer

Parameters

Remarks

Only JPEG and BMP/DIB formats are supported directly, but other formats such as TIFF may be supported via extension DLLs.

The following applies to JPEG file import:

The Type parameter must be JPEG or JPG
The Information parameter must contain an integer up to 100, which controls the quality of the resulting JPEG image.

The following applies to DIB/BMP file export:

Data will be uncompressed.
If type is BMP, then a BMP file header is included at the start of the data. If type is DIB, then no header is included.
The Type parameter must be DIB or BMP
The Information parameter is not used.

See Import/Export DLLs for details of how to write and configure your own extension DLLs