DCompositionAttachMouseDragToHwnd function (dcomp.h)

Creates an Interaction/InputSink to route mouse button down and any subsequent move and up events to the given HWND. There is no move thresholding; when enabled, all events including and following the down are unconditionally redirected to the specified window. After calling this API, the device owning the visual must be committed.

Syntax

HRESULT DCompositionAttachMouseDragToHwnd(
  [in] IDCompositionVisual *visual,
  [in] HWND                hwnd,
  [in] BOOL                enable
);

Parameters

[in] visual

Type: IDCompositionVisual*

The visual to route messages from.

[in] hwnd

Type: HWND

The HWND to route messages to.

[in] enable

Type: BOOL

Boolean value indicating whether to enable or disable routing.

Return value

Type: HRESULT

If this function succeeds, it returns S_OK. Otherwise, it returns an HRESULT error code.

Requirements