HDM_CREATEDRAGIMAGE message
Creates a semi-transparent version of an item's image for use as a dragging image. You can send this message explicitly or use the Header_CreateDragImage macro.
Parameters
-
wParam
-
The zero-based index of the item within the header control. The image assigned to this item is the basis for the transparent image.
-
lParam
- Must be zero.
Return value
Returns a handle to an image list that contains the new image as its only element.
Requirements
| Requirement | Value |
|---|---|
| Minimum supported client |
Windows Vista [desktop apps only] |
| Minimum supported server |
Windows Server 2003 [desktop apps only] |
| Header |
|