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hi i wrote a Duplex wcf service and then i added reference its into a client
but when i play my client app it become lock and i can not do anything in my app
this is my project
what's my wrong ...

hi everyone
i want save a ByteArray(image)into a propertyitem an other image
i create http://www.mediafire.com/?5i8ja7fmfqz5483 project
but if Lenght Picture2 be Upper than 65000 it's give error :...

hi everyone
i created a thumbnail dll for my file type
my class dll create thumb for my files type but my class no dispose after create thumbnail
this is my project :...

hi everyone

i want ( SelectedIndex(0) ) or ( My First Item ) be in center my path in pathlistbox how can i set it

hi
how can convert bitmapimage to byte array in WPF?
Please help me
thanx

hi everyone
how can i create a thumbnail dll for Shell Extensions a type file in vb.net and register it in shell Extensions windows registery ?
i want my thumbnail dll create thumbnail for my xxx...

i founded a sample source for creat thumbnail
http://www.mvps.org/emorcillo/en/code/shell/shellextensions.shtml
but how can i register for sample txtThumbnail in other windows?

i'm sorry
i think i could not say my problem
i want create a thumbnail dll that it's create separate thumb for my xxx file type
as jpeg files thumbnail or psd files thumbnail and other...

well in windows explorer for sample any jpeg file have a separate thumbnail as
http://www.vbforums.com/attachment.php?attachmentid=87385&stc=1&d=1326870599
i want create thumbnail for my xxx type...

hi everyone
i do'nt know how can i create thumb for my xxx type file as jpeg files or psd files in windows
because they have a separate thumb for ever a file

please help me
thanx

hi
i merged two files in a file


'=================================
'Merge Two File in a File
My.Computer.FileSystem.WriteAllBytes("e:\a.jpg",...