GetRowPointer
Gets a pointer to a specific row of an image.
Syntax
Definition:
METHOD GetRowPointer : HRESULT
VAR_INPUT
nRowIndex : UDINT;
ppRow : Pointer To PVOID;
END_VAR
Inputs
|
Name |
Type |
Description |
|---|---|---|
|
nRowIndex |
UDINT |
Row index. |
|
ppRow |
Pointer To PVOID |
Returns a pointer to the requested image row. |
Return valueFurther information
Make sure that the describing pointer is of the same elementary type as the pixel type of the image.
Notice | |
Enabling an Row Pointer If you create a pointer with GetRowPointer, you must also release it again with the method ReleaseRowPointer! |