HDM_CREATEDRAGIMAGE


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HDM_CREATEDRAGIMAGE
HDM_CREATEDRAGIMAGE
    wParam = (WPARAM) (int) iIndex;
    lParam = 0;
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.
Returns a handle to an image list that contains the new image as its only element.

iIndex
Zero-based index of the item within the header control. The image assigned to this item is the basis for the transparent image.

Version 4.70

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