IThumbnailExtractor.ExtractThumbnail Method

This API supports the .NET Framework infrastructure and is not intended to be used directly from your code.

Namespace:  Microsoft.VisualStudio.OLE.Interop
Assembly:  Microsoft.VisualStudio.OLE.Interop (in Microsoft.VisualStudio.OLE.Interop.dll)

Syntax

'宣言
Sub ExtractThumbnail ( _
    pstg As IStorage, _
    ulLength As UInteger, _
    ulHeight As UInteger, _
    <OutAttribute> ByRef pulOutputLength As UInteger, _
    <OutAttribute> ByRef pulOutputHeight As UInteger, _
    <OutAttribute> ByRef phOutputBitmap As IntPtr _
)
'使用
Dim instance As IThumbnailExtractor
Dim pstg As IStorage
Dim ulLength As UInteger
Dim ulHeight As UInteger
Dim pulOutputLength As UInteger
Dim pulOutputHeight As UInteger
Dim phOutputBitmap As IntPtr

instance.ExtractThumbnail(pstg, ulLength, _
    ulHeight, pulOutputLength, pulOutputHeight, _
    phOutputBitmap)

void ExtractThumbnail(
    IStorage pstg,
    uint ulLength,
    uint ulHeight,
    out uint pulOutputLength,
    out uint pulOutputHeight,
    out IntPtr phOutputBitmap
)

void ExtractThumbnail(
    [InAttribute] IStorage^ pstg, 
    [InAttribute] unsigned int ulLength, 
    [InAttribute] unsigned int ulHeight, 
    [OutAttribute] unsigned int% pulOutputLength, 
    [OutAttribute] unsigned int% pulOutputHeight, 
    [OutAttribute] IntPtr% phOutputBitmap
)

function ExtractThumbnail(
    pstg : IStorage, 
    ulLength : uint, 
    ulHeight : uint, 
    pulOutputLength : uint, 
    pulOutputHeight : uint, 
    phOutputBitmap : IntPtr
)

Parameters

• pstg
  Type: Microsoft.VisualStudio.OLE.Interop.IStorage

• ulLength
  Type: System.UInt32

• ulHeight
  Type: System.UInt32

• pulOutputLength
  Type: System.UInt32%

• pulOutputHeight
  Type: System.UInt32%

• phOutputBitmap
  Type: System.IntPtr%

Permissions

• Full trust for the immediate caller. This member cannot be used by partially trusted code. For more information, see Using Libraries from Partially Trusted Code.

See Also

Reference

IThumbnailExtractor Interface

IThumbnailExtractor Members

Microsoft.VisualStudio.OLE.Interop Namespace