ImgOpenMem

HANDLE IMAPI ImgOpenMem ( hpMem, dwSize, lpExt)

This function opens the image contained in hpMem and returns a handle to be used with the other ImageMan functions.

Parameter

Type

Description

hpMem

HPSTR

Points to a buffer containing the image to open.

dwSize

DWORD

Size, in bytes, of the image in hpMem. Note that this is not necessarily the size of the memory block.

lpExt

LPSTR

Can be set to NULL. Gives ImageMan a hint as to the type of image in the memory block.

Return Value

The return value specifies the handle used to refer to the image. It is NULL if the file could not be opened.

Comments

hpMem must contain a valid file format, i.e., it must be identical to what a given image would look like in a disk file.

Parameter	Type	Description
hpMem	HPSTR	Points to a buffer containing the image to open.
dwSize	DWORD	Size, in bytes, of the image in hpMem. Note that this is not necessarily the size of the memory block.
lpExt	LPSTR	Can be set to NULL. Gives ImageMan a hint as to the type of image in the memory block.