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dotnet compact framework
group:Directory.Exist - Weird problem
dotnet compact framework:
Not sure what explanation you're after. The devices behave differently
because somewhere down in their FSD, the work a little differently. The point Peter is making is that folder names should not have the trailing slash and your search should strip them out with a Path.GetDirectoryName call to ensure this. Don't think of this as a bug where one device doesn't work - think of it as a bug where the others do work when they shouldn't. -- Chris Tacke OpenNETCF Consulting Managed Code in the Embedded World www.opennetcf.com -- [quoted text, click to view] "Thore Berntsen" <someone@microsoft,com> wrote in message news:%23KiOB3jOHHA.4644@TK2MSFTNGP03.phx.gbl... > Thank's but that doesn't really explain the differense in behavior from > device to device. > > The hardcoding of paths was just for the example. I never do this in a > application. > > Thore > > "Peter Foot [MVP]" <feedback@nospam-inthehand.com> wrote in message > news:91A7E2F4-21CE-4B72-A3ED-4FE2F3855FFF@microsoft.com... >> Normally a folder path would be expressed without the trailing slash >> character, so you should stick to the format of the second example. >> Path.GetDirectoryName() will return you a valid directory from a path. >> On a related note, you shouldn't hard code your paths to "Storage Card" >> since this varies between devices e.g. CF Card, SD Card etc. An easy way >> to retrieve card names is to get all the directories off the root folder >> which have the Temporary attribute. e.g. >> >> DirectoryInfo rootDir = new DirectoryInfo("\\"); >> >> //add all removable drives >> foreach (DirectoryInfo di in rootDir.GetDirectories()) >> { >> //if directory and temporary >> if ((di.Attributes & System.IO.FileAttributes.Temporary) >> == System.IO.FileAttributes.Temporary) >> { >> //folder is a removable card >> } >> } >> >> Peter >> >> -- >> Peter Foot >> Device Application Development MVP >> www.peterfoot.net | www.inthehand.com >> >> "Thore Berntsen" <someone@microsoft,com> wrote in message >> news:%23XCgAQjOHHA.4376@TK2MSFTNGP02.phx.gbl... >>>I have a CF 2.0 program where I have code like this: >>> >>> if (Directory.Exists("\\Storage Card\\Import\\) ... >>> >>> This works on all devices I tried yet except for the ViewSonic V.37. On >>> this device the call returns false even if the directory exists. >>> >>> If I write >>> if (Directory.Exists("\\Storage Card\\Import) ... (Without trailing >>> backslash) it works fine. >>> >>> It is not releated to the storage card. I have tested that. >>> >>> Ideas anyone? >>> >>> Thore Berntsen >>> >>> >>> >>> >> > >
Maybe one device doesn't have the space in the directory name between
"storage" and "card"... Paul T. [quoted text, click to view] "<ctacke/>" <ctacke[@]opennetcf[dot]com> wrote in message news:%23sMjPDkOHHA.1252@TK2MSFTNGP02.phx.gbl... > Not sure what explanation you're after. The devices behave differently > because somewhere down in their FSD, the work a little differently. The > point Peter is making is that folder names should not have the trailing > slash and your search should strip them out with a Path.GetDirectoryName > call to ensure this. > > Don't think of this as a bug where one device doesn't work - think of it > as a bug where the others do work when they shouldn't. > > > -- > Chris Tacke > OpenNETCF Consulting > Managed Code in the Embedded World > www.opennetcf.com > -- > > > > "Thore Berntsen" <someone@microsoft,com> wrote in message > news:%23KiOB3jOHHA.4644@TK2MSFTNGP03.phx.gbl... >> Thank's but that doesn't really explain the differense in behavior from >> device to device. >> >> The hardcoding of paths was just for the example. I never do this in a >> application. >> >> Thore >> >> "Peter Foot [MVP]" <feedback@nospam-inthehand.com> wrote in message >> news:91A7E2F4-21CE-4B72-A3ED-4FE2F3855FFF@microsoft.com... >>> Normally a folder path would be expressed without the trailing slash >>> character, so you should stick to the format of the second example. >>> Path.GetDirectoryName() will return you a valid directory from a path. >>> On a related note, you shouldn't hard code your paths to "Storage Card" >>> since this varies between devices e.g. CF Card, SD Card etc. An easy way >>> to retrieve card names is to get all the directories off the root folder >>> which have the Temporary attribute. e.g. >>> >>> DirectoryInfo rootDir = new DirectoryInfo("\\"); >>> >>> //add all removable drives >>> foreach (DirectoryInfo di in rootDir.GetDirectories()) >>> { >>> //if directory and temporary >>> if ((di.Attributes & System.IO.FileAttributes.Temporary) >>> == System.IO.FileAttributes.Temporary) >>> { >>> //folder is a removable card >>> } >>> } >>> >>> Peter >>> >>> -- >>> Peter Foot >>> Device Application Development MVP >>> www.peterfoot.net | www.inthehand.com >>> >>> "Thore Berntsen" <someone@microsoft,com> wrote in message >>> news:%23XCgAQjOHHA.4376@TK2MSFTNGP02.phx.gbl... >>>>I have a CF 2.0 program where I have code like this: >>>> >>>> if (Directory.Exists("\\Storage Card\\Import\\) ... >>>> >>>> This works on all devices I tried yet except for the ViewSonic V.37. On >>>> this device the call returns false even if the directory exists. >>>> >>>> If I write >>>> if (Directory.Exists("\\Storage Card\\Import) ... (Without trailing >>>> backslash) it works fine. >>>> >>>> It is not releated to the storage card. I have tested that. >>>> >>>> Ideas anyone? >>>> >>>> Thore Berntsen >>>> >>>> >>>> >>>> >>> >> >> > >
File system driver.
Paul T. [quoted text, click to view] "Thore Berntsen" <someone@microsoft,com> wrote in message news:%23ic7MEmOHHA.400@TK2MSFTNGP04.phx.gbl... > Thank you all! > > The Path.GetDirectoryName solved my problem. > By the way, what is FSD short for? > > "Paul G. Tobey [eMVP]" <p space tobey no spam AT no instrument no spam DOT > com> wrote in message news:Ot2G1TlOHHA.140@TK2MSFTNGP04.phx.gbl... >> Maybe one device doesn't have the space in the directory name between >> "storage" and "card"... >> >> Paul T. >> >> "<ctacke/>" <ctacke[@]opennetcf[dot]com> wrote in message >> news:%23sMjPDkOHHA.1252@TK2MSFTNGP02.phx.gbl... >>> Not sure what explanation you're after. The devices behave differently >>> because somewhere down in their FSD, the work a little differently. The >>> point Peter is making is that folder names should not have the trailing >>> slash and your search should strip them out with a Path.GetDirectoryName >>> call to ensure this. >>> >>> Don't think of this as a bug where one device doesn't work - think of it >>> as a bug where the others do work when they shouldn't. >>> >>> >>> -- >>> Chris Tacke >>> OpenNETCF Consulting >>> Managed Code in the Embedded World >>> www.opennetcf.com >>> -- >>> >>> >>> >>> "Thore Berntsen" <someone@microsoft,com> wrote in message >>> news:%23KiOB3jOHHA.4644@TK2MSFTNGP03.phx.gbl... >>>> Thank's but that doesn't really explain the differense in behavior from >>>> device to device. >>>> >>>> The hardcoding of paths was just for the example. I never do this in a >>>> application. >>>> >>>> Thore >>>> >>>> "Peter Foot [MVP]" <feedback@nospam-inthehand.com> wrote in message >>>> news:91A7E2F4-21CE-4B72-A3ED-4FE2F3855FFF@microsoft.com... >>>>> Normally a folder path would be expressed without the trailing slash >>>>> character, so you should stick to the format of the second example. >>>>> Path.GetDirectoryName() will return you a valid directory from a path. >>>>> On a related note, you shouldn't hard code your paths to "Storage >>>>> Card" since this varies between devices e.g. CF Card, SD Card etc. An >>>>> easy way to retrieve card names is to get all the directories off the >>>>> root folder which have the Temporary attribute. e.g. >>>>> >>>>> DirectoryInfo rootDir = new DirectoryInfo("\\"); >>>>> >>>>> //add all removable drives >>>>> foreach (DirectoryInfo di in rootDir.GetDirectories()) >>>>> { >>>>> //if directory and temporary >>>>> if ((di.Attributes & >>>>> System.IO.FileAttributes.Temporary) == >>>>> System.IO.FileAttributes.Temporary) >>>>> { >>>>> //folder is a removable card >>>>> } >>>>> } >>>>> >>>>> Peter >>>>> >>>>> -- >>>>> Peter Foot >>>>> Device Application Development MVP >>>>> www.peterfoot.net | www.inthehand.com >>>>> >>>>> "Thore Berntsen" <someone@microsoft,com> wrote in message >>>>> news:%23XCgAQjOHHA.4376@TK2MSFTNGP02.phx.gbl... >>>>>>I have a CF 2.0 program where I have code like this: >>>>>> >>>>>> if (Directory.Exists("\\Storage Card\\Import\\) ... >>>>>> >>>>>> This works on all devices I tried yet except for the ViewSonic V.37. >>>>>> On this device the call returns false even if the directory exists. >>>>>> >>>>>> If I write >>>>>> if (Directory.Exists("\\Storage Card\\Import) ... (Without trailing >>>>>> backslash) it works fine. >>>>>> >>>>>> It is not releated to the storage card. I have tested that. >>>>>> >>>>>> Ideas anyone? >>>>>> >>>>>> Thore Berntsen >>>>>> >>>>>> >>>>>> >>>>>> >>>>> >>>> >>>> >>> >>> >> >> > >
Normally a folder path would be expressed without the trailing slash
character, so you should stick to the format of the second example. Path.GetDirectoryName() will return you a valid directory from a path. On a related note, you shouldn't hard code your paths to "Storage Card" since this varies between devices e.g. CF Card, SD Card etc. An easy way to retrieve card names is to get all the directories off the root folder which have the Temporary attribute. e.g. DirectoryInfo rootDir = new DirectoryInfo("\\"); //add all removable drives foreach (DirectoryInfo di in rootDir.GetDirectories()) { //if directory and temporary if ((di.Attributes & System.IO.FileAttributes.Temporary) == System.IO.FileAttributes.Temporary) { //folder is a removable card } } Peter -- Peter Foot Device Application Development MVP www.peterfoot.net | www.inthehand.com [quoted text, click to view] "Thore Berntsen" <someone@microsoft,com> wrote in message
news:%23XCgAQjOHHA.4376@TK2MSFTNGP02.phx.gbl... >I have a CF 2.0 program where I have code like this: > > if (Directory.Exists("\\Storage Card\\Import\\) ... > > This works on all devices I tried yet except for the ViewSonic V.37. On > this device the call returns false even if the directory exists. > > If I write > if (Directory.Exists("\\Storage Card\\Import) ... (Without trailing > backslash) it works fine. > > It is not releated to the storage card. I have tested that. > > Ideas anyone? > > Thore Berntsen > > > >
I have a CF 2.0 program where I have code like this:
if (Directory.Exists("\\Storage Card\\Import\\) ... This works on all devices I tried yet except for the ViewSonic V.37. On this device the call returns false even if the directory exists. If I write if (Directory.Exists("\\Storage Card\\Import) ... (Without trailing backslash) it works fine. It is not releated to the storage card. I have tested that. Ideas anyone? Thore Berntsen
Thank's but that doesn't really explain the differense in behavior from
device to device. The hardcoding of paths was just for the example. I never do this in a application. Thore [quoted text, click to view] "Peter Foot [MVP]" <feedback@nospam-inthehand.com> wrote in message news:91A7E2F4-21CE-4B72-A3ED-4FE2F3855FFF@microsoft.com... > Normally a folder path would be expressed without the trailing slash > character, so you should stick to the format of the second example. > Path.GetDirectoryName() will return you a valid directory from a path. > On a related note, you shouldn't hard code your paths to "Storage Card" > since this varies between devices e.g. CF Card, SD Card etc. An easy way > to retrieve card names is to get all the directories off the root folder > which have the Temporary attribute. e.g. > > DirectoryInfo rootDir = new DirectoryInfo("\\"); > > //add all removable drives > foreach (DirectoryInfo di in rootDir.GetDirectories()) > { > //if directory and temporary > if ((di.Attributes & System.IO.FileAttributes.Temporary) == > System.IO.FileAttributes.Temporary) > { > //folder is a removable card > } > } > > Peter > > -- > Peter Foot > Device Application Development MVP > www.peterfoot.net | www.inthehand.com > > "Thore Berntsen" <someone@microsoft,com> wrote in message > news:%23XCgAQjOHHA.4376@TK2MSFTNGP02.phx.gbl... >>I have a CF 2.0 program where I have code like this: >> >> if (Directory.Exists("\\Storage Card\\Import\\) ... >> >> This works on all devices I tried yet except for the ViewSonic V.37. On >> this device the call returns false even if the directory exists. >> >> If I write >> if (Directory.Exists("\\Storage Card\\Import) ... (Without trailing >> backslash) it works fine. >> >> It is not releated to the storage card. I have tested that. >> >> Ideas anyone? >> >> Thore Berntsen >> >> >> >> >
Thank you all!
The Path.GetDirectoryName solved my problem. By the way, what is FSD short for? "Paul G. Tobey [eMVP]" <p space tobey no spam AT no instrument no spam DOT [quoted text, click to view] com> wrote in message news:Ot2G1TlOHHA.140@TK2MSFTNGP04.phx.gbl... > Maybe one device doesn't have the space in the directory name between > "storage" and "card"... > > Paul T. > > "<ctacke/>" <ctacke[@]opennetcf[dot]com> wrote in message > news:%23sMjPDkOHHA.1252@TK2MSFTNGP02.phx.gbl... >> Not sure what explanation you're after. The devices behave differently >> because somewhere down in their FSD, the work a little differently. The >> point Peter is making is that folder names should not have the trailing >> slash and your search should strip them out with a Path.GetDirectoryName >> call to ensure this. >> >> Don't think of this as a bug where one device doesn't work - think of it >> as a bug where the others do work when they shouldn't. >> >> >> -- >> Chris Tacke >> OpenNETCF Consulting >> Managed Code in the Embedded World >> www.opennetcf.com >> -- >> >> >> >> "Thore Berntsen" <someone@microsoft,com> wrote in message >> news:%23KiOB3jOHHA.4644@TK2MSFTNGP03.phx.gbl... >>> Thank's but that doesn't really explain the differense in behavior from >>> device to device. >>> >>> The hardcoding of paths was just for the example. I never do this in a >>> application. >>> >>> Thore >>> >>> "Peter Foot [MVP]" <feedback@nospam-inthehand.com> wrote in message >>> news:91A7E2F4-21CE-4B72-A3ED-4FE2F3855FFF@microsoft.com... >>>> Normally a folder path would be expressed without the trailing slash >>>> character, so you should stick to the format of the second example. >>>> Path.GetDirectoryName() will return you a valid directory from a path. >>>> On a related note, you shouldn't hard code your paths to "Storage Card" >>>> since this varies between devices e.g. CF Card, SD Card etc. An easy >>>> way to retrieve card names is to get all the directories off the root >>>> folder which have the Temporary attribute. e.g. >>>> >>>> DirectoryInfo rootDir = new DirectoryInfo("\\"); >>>> >>>> //add all removable drives >>>> foreach (DirectoryInfo di in rootDir.GetDirectories()) >>>> { >>>> //if directory and temporary >>>> if ((di.Attributes & System.IO.FileAttributes.Temporary) >>>> == System.IO.FileAttributes.Temporary) >>>> { >>>> //folder is a removable card >>>> } >>>> } >>>> >>>> Peter >>>> >>>> -- >>>> Peter Foot >>>> Device Application Development MVP >>>> www.peterfoot.net | www.inthehand.com >>>> >>>> "Thore Berntsen" <someone@microsoft,com> wrote in message >>>> news:%23XCgAQjOHHA.4376@TK2MSFTNGP02.phx.gbl... >>>>>I have a CF 2.0 program where I have code like this: >>>>> >>>>> if (Directory.Exists("\\Storage Card\\Import\\) ... >>>>> >>>>> This works on all devices I tried yet except for the ViewSonic V.37. >>>>> On this device the call returns false even if the directory exists. >>>>> >>>>> If I write >>>>> if (Directory.Exists("\\Storage Card\\Import) ... (Without trailing >>>>> backslash) it works fine. >>>>> >>>>> It is not releated to the storage card. I have tested that. >>>>> >>>>> Ideas anyone? >>>>> >>>>> Thore Berntsen >>>>> >>>>> >>>>> >>>>> >>>> >>> >>> >> >> > >
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