VB.NET获取文件默认图标的方法
发布时间:2020-12-17 00:33:37 所属栏目:大数据 来源:网络整理
导读:本篇章节讲解VB.NET获取文件默认图标的方法。供大家参考研究。具体如下: 该段代码帮助你获取计算机上的任何文件的默认图标,使用Shell32.dll。 Private Structure SHFILEINFO Public hIcon As IntPtr Public iIcon As Integer Public dwAttributes
本篇章节讲解VB.NET获取文件默认图标的方法。分享给大家供大家参考。具体如下: 该段代码帮助你获取计算机上的任何文件的默认图标,使用Shell32.dll。 Private Structure SHFILEINFO Public hIcon As IntPtr Public iIcon As Integer Public dwAttributes As Integer <MarshalAs(UnmanagedType.ByValTStr,SizeConst:=260)> _ Public szDisplayName As String <MarshalAs(UnmanagedType.ByValTStr,SizeConst:=80)> _ Public szTypeName As String End Structure Private Declare Auto Function SHGetFileInfo Lib "shell32.dll" _ (ByVal pszPath As String,_ ByVal dwFileAttributes As Integer,_ ByRef psfi As SHFILEINFO,_ ByVal cbFileInfo As Integer,_ ByVal uFlags As Integer) As IntPtr Private Const SHGFI_ICON = &H100 Private Const SHGFI_SMALLICON = &H1 Private Const SHGFI_LARGEICON = &H0 Private nIndex = 0 Private hImgLarge As IntPtr 'The handle to the system image list. Private Function GetLargeIcon(ByVal FilePath As String) As System.Drawing.Icon Dim fName As String Dim shinfo As SHFILEINFO shinfo = New SHFILEINFO() shinfo.szDisplayName = New String(Chr(0),260) shinfo.szTypeName = New String(Chr(0),80) fName = FilePath hImgLarge = SHGetFileInfo(fName,shinfo,Marshal.SizeOf(shinfo),SHGFI_ICON Or SHGFI_LARGEICON) Dim myIcon As System.Drawing.Icon myIcon = System.Drawing.Icon.FromHandle(shinfo.hIcon) Return myIcon End Function Private Function GetSmallIcon(ByVal FilePath As String) As System.Drawing.Icon Dim fName As String Dim shinfo As SHFILEINFO shinfo = New SHFILEINFO() shinfo.szDisplayName = New String(Chr(0),SHGFI_ICON Or SHGFI_SMALLICON) Dim myIcon As System.Drawing.Icon myIcon = System.Drawing.Icon.FromHandle(shinfo.hIcon) Return myIcon End Function 希望本文所述对大家的VB.NET程序设计有所帮助。 (编辑:李大同) 【声明】本站内容均来自网络,其相关言论仅代表作者个人观点,不代表本站立场。若无意侵犯到您的权利,请及时与联系站长删除相关内容! |