CopyMemory (RtlMoveMemory) moves memory either forward or backward, _
aligned or unaligned, in 4-byte blocks, followed by any remaining bytes.
Library
user32
Alias
CallWindowProcA
Type Return
A Long Value
Syntax
CallWindowProc ( lpPrevWndFunc, hwnd, Msg, wParam, lParam)
The CallWindowProc Declaration syntax has these parts:
| Part | Description |
| lpPrevWndFunc | Required. A Long Value. |
| hwnd | Required. A Long Value. |
| Msg | Required. A Long Value. |
| wParam | Required. A Long Value. |
| lParam | Required. A Long Value. |
Remarks
The (Source + Length) can overlap the Destination range passed in to CopyMemory (RtlMoveMemory).