CommonDialog.ShowTransfer method

项目
05/31/2018

Displays a Progress dialog box while transferring the specified Item to the local computer.

Syntax

pvResult = .ShowTransfer( _
  ByVal Item As Item, _
  [ ByVal FormatID As BSTR ], _
  [ ByVal CancelError As VARIANT_BOOL ] _
) As HRESULT

Parameters

Item [in]

Type: Item*

Required. Item value.

FormatID [in, optional]

Type: BSTR

String value that specifies one of the FormatID Constants that indicates the requested image format.

Value	Meaning
{00000000-0000-0000-0000-000000000000}	Default. Unspecified format.

CancelError [in, optional]

Type: VARIANT_BOOL

Boolean value that indicates whether to generate an error if the user cancels the dialog box.

Value	Meaning
False	Default. Do not generate an error.
True	Generate an error.

Return value

Type: VARIANT*

Returns an ImageFile object in the format specified in FormatID, if the device supports that format; otherwise this method uses the preferred format for this imaging device.

Remarks

Transfer is essentially a version of ShowTransfer that does not display a UI or allow the user to cancel the transfer.

For example code, see Download New Items as They are Created in Shared Samples.

Requirements


Minimum supported client	Windows Vista [desktop apps only]
Minimum supported server	Windows Server 2003 R2 [desktop apps only]
Header	Wiaaut.h
IDL	Wiaaut.idl

通过