IRsDaDTarget Interface Reference

Inherits IUnknown.

List of all members.

Public Member Functions
Methods
HRESULT	AllowHighLightDropArea ([in] RtBool bHighLight)
HRESULT	HighLightDropArea ([in] POINT pntCursor)
HRESULT	CanAcceptObject ([in] POINT pntCursor,[in] RtUlong ulKey,[in] VARIANT vVal)
HRESULT	DropObject ([in] POINT pntCursor,[in] RtUlong ulKey,[in] VARIANT vVal,[in] IRsObject *pDaDSource)

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Detailed Description

Interface of Rosetta Drag & Drop Target window.

Author:

Ivan Hronec This interface declares properties and methods that allow drop object to window.

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Member Function Documentation

HRESULT IRsDaDTarget::AllowHighLightDropArea

(

[in] RtBool

bHighLight

)

Notify drop target that it can or cannot highlight drop area.

Parameters:

bHighLight

[In] Flag to highlight drop area.

Returns:

S_OK when no error occured.

Error code otherwise.

HRESULT IRsDaDTarget::HighLightDropArea

(

[in] POINT

pntCursor

)

This method highlights area under cursor during drag & drop.

Parameters:

pntCursor

[In] Cursor position in screen coordinates.

Returns:

S_OK when no error occured.

Error code otherwise.

HRESULT IRsDaDTarget::CanAcceptObject	(	[in] POINT	pntCursor,
		[in] RtUlong	ulKey,
		[in] VARIANT	vVal
	)

This method checks if target can accept object.

Parameters:

	pntCursor	[In] Cursor position in screen coordinates.
	vVal	[Out] Pointer to dragged object.

Returns:

S_OK when can accept.

S_FALSE when cannot accept.

Error code otherwise.

HRESULT IRsDaDTarget::DropObject	(	[in] POINT	pntCursor,
		[in] RtUlong	ulKey,
		[in] VARIANT	vVal,
		[in] IRsObject *	pDaDSource
	)

This method handles drop of dragged object.

Parameters:

	pntCursor	[In] Cursor position in screen coordinates.
	vVal	[Out] Pointer to dropped object.

Returns:

S_OK when no error occured.

Error code otherwise.