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HDM_CREATEDRAGIMAGE message

  • Artikkel

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
Commctrl.h