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图象转换上
作者:武汉SEO闵涛  文章来源:敏韬网  点击数805  更新时间:2009/4/23 16:38:59  文章录入:mintao  责任编辑:mintao

图象转换上

''''功能 Picture对象相关操作
''''类别 模块

Option Explicit

''''*****************************************************************
''''* 将 icon 对象转换为 VB 的 picture 对象
''''* 参数∶ hIcon 一个有效的图标句柄
''''*****************************************************************
Function IconToPicture(ByVal hIcon As Long) As IPicture
  Dim ipic As IPicture
  Dim picdes As PICTDESC, iidIPicture As IID

  If hIcon = hNull Then Exit Function
  picdes.cbSizeofstruct = Len(picdes)
  picdes.picType = vbPicTypeIcon
  picdes.hgdiobj = hIcon
  '''' Fill in magic IPicture GUID {7BF80980-BF32-101A-8BBB-00AA00300CAB}
  iidIPicture.Data1 = &H7BF80980
  iidIPicture.Data2 = &HBF32
  iidIPicture.Data3 = &H101A
  iidIPicture.Data4(0) = &H8B
  iidIPicture.Data4(1) = &HBB
  iidIPicture.Data4(2) = &H0
  iidIPicture.Data4(3) = &HAA
  iidIPicture.Data4(4) = &H0
  iidIPicture.Data4(5) = &H30
  iidIPicture.Data4(6) = &HC
  iidIPicture.Data4(7) = &HAB
 
  OleCreatePictureIndirect picdes, iidIPicture, True, ipic
 
  Set IconToPicture = ipic
End Function

''''******************************************************************
''''* 将 Cursor 对象转换为 VB 的 Picture 对象
''''* 参数∶ hIcon 一个有效的光标句柄
''''******************************************************************
Function CursorToPicture(ByVal hIcon As Long) As IPicture
  '''' It''''s just an alias
  Set CursorToPicture = IconToPicture(hIcon)
  End Function

''''******************************************************************
''''* 将 bitmap 对象转换为 VB 的 picture 对象
''''* 参数∶ hBmp 一个有效的位图句柄
''''* hpal 一个有效的调色板句柄
''''******************************************************************
Function BitmapToPicture(ByVal hBmp As Long, _
             Optional ByVal hPal As Long = hNull) As IPicture
 
  Dim ipic As IPicture
  Dim picdes As PICTDESC, iidIPicture As IID
  picdes.cbSizeofstruct = Len(picdes)
  picdes.picType = vbPicTypeBitmap
  picdes.hgdiobj = hBmp
  picdes.hPalOrXYExt = hPal
  '''' Fill in magic IPicture GUID {7BF80980-BF32-101A-8BBB-00AA00300CAB}
  iidIPicture.Data1 = &H7BF80980
  iidIPicture.Data2 = &HBF32
  iidIPicture.Data3 = &H101A
  iidIPicture.Data4(0) = &H8B
  iidIPicture.Data4(1) = &HBB
  iidIPicture.Data4(2) = &H0
  iidIPicture.Data4(3) = &HAA
  iidIPicture.Data4(4) = &H0
  iidIPicture.Data4(5) = &H30
  iidIPicture.Data4(6) = &HC
  iidIPicture.Data4(7) = &HAB

  OleCreatePictureIndirect picdes, iidIPicture, True, ipic
 
  Set BitmapToPicture = ipic
End Function

 


       以上代码来自: 源代码数据库(SourceDataBase)
           当前版本: 1.0.436
               作者: Shawls
           个人主页: Http://Shawls.Yeah.Net
             E-Mail: ShawFile@163.Net
                 QQ: 9181729

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