Vb.net long path tool
' The object is currently in use elsewhere. ' if you do not release the device context then you will get ' An unhandled exception of type 'System.InvalidOperationException ' occurred in ' failure or base name too long for specified width If PathCompactPath(oGraphics.GetHdc, oPath, ) Then Public Function CompactPath(ByVal path As String, ByVal control As Control) As Stringĭim oPath As New (path, MAX_PATH)ĭim oGraphics As = control.CreateGraphics Tends to compact text too much when using proportional fonts. ' ' ' Works well with monospace/fixed-width fonts. Therefore, the base portion of the path may not always fit within the specified width. This function will not compact the path beyond the base file name preceded by ellipses. ' ' ' Returns the path compacted to the specified width. ' ' ' ' ' ' TextRenderer.MeasureText(sResult, control.Font, control.ClientSize, TextFormatFlags.PathEllipsis Or TextFormatFlags.ModifyString)ĭeclare Auto Function PathCompactPath Lib " shlwapi.dll" ( _īyVal lpszPath As, _ ' ' ' ' ' ' 'make a copy because the measure text call is instructed to modify string ' ' ' Dim sResult As String = String.Copy(text)
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' ' ' Public Function CompactPath(ByVal text As String, ByVal control As Control) As String 0 contains the TextRenderer.MeasureText method, which can reproduce the functionality of the PathCompactPath function, as shown in the following example. Any one plz help I need to use these API functions in VB.
![vb.net long path tool vb.net long path tool](https://www.linglom.com/wp-content/uploads/2017/02/Fix-Source-Path-Too-Long-while-deleting-files-03.png)
Declare Function GetComputerName Lib kernel32 Alias GetComputerNameA (ByVal lpBuffer As String, nSize As Long) As Long. This function will not compact the path beyond the base file name preceded by ellipses. (ByVal lpBuffer As String, nSize As Long) As Long. ' ' ' This Shell Lightweight Utility function uses the font currently selected in hDC to calculate the width of the text. Returns FALSE on failure, or if the base portion of the path would not fit the specified width.
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' ' ' Returns TRUE if the path was successfully compacted to the specified width. ' ' ' The width, in pixels, in which the string must fit. On return, this buffer will contain the modified string. ' ' ' A pointer to a null-terminated string of length MAX_PATH that contains the path to be modified. ' ' ' A handle to the device context used for font metrics. ' ' ' Truncates a file path to fit within a given pixel width by replacing path components with ellipses. If MS changes this implementation internally, your app will automatically follow suit. Let MS think about these details and just follow their lead. What if the standard for where to put the ellipsis changes? Maybe someday the ellipsis will be commonly inserted just after the drive letter instead of just before the filename.Why reinvent the wheel? Microsoft already did it and it's probably well tested and efficient do you really have extra time on your hands?.And in fact I have seen programmers doing this but I would recommend using the framework to handle this for a couple reasons: You might be thinking, why not just write your own algorithm to break apart a string and insert the ellipsis in a certain spot. TextFormatFlags.WordEllipsis for example will insert a "." at the end of the string instead in between parts of a path.
Vb.net long path tool how to#
Public Declare Sub Deltri2d Lib "D:\Visual Studio 2019\Triangles\Triangles\圆4\Release\ = CompactString(MyPath, Label1.Width, Label1.Font,įor example, the string: c:\program files\test app\runme.exe might turn into:Ĭ:\program files\.\runme.exe depending on the font and width.Ĭheck out the enumerated type for other options on how to compact your string.
Vb.net long path tool code#
In the VB code I'm declaring the external function as this: ` !DEC$ ATTRIBUTES DLLEXPORT :: adjacency
![vb.net long path tool vb.net long path tool](https://raw.githubusercontent.com/clechasseur/pathcopycopy/default/screenshots/PCC_ContextMenu_wiki.png)
Subroutine adjacency(nnode,numel,ix,nodcon,nelcon,nedge) In all fortran routines I use the compiler directives. I have also tried the old dll with 32 bits but I receive the same messages.
Vb.net long path tool 64 bits#
I tried both build VB options, 64 bits and Any CPU. Now I created a new 64 bits version of this dll to work with the new VB.NET. I have used this dll in a very old VB version. The dll was created in VS 2019 with regular fortran subroutines, that is, all arguments are passed by their addresses.