. NET C # pictures to Base64 Base64 to pictures

//picture converted to Base64 encoded text        Private voidButton1_Click (Objectsender, EventArgs e) {OpenFileDialog Dlg=NewOpenFileDialog (); Dlg. MultiSelect=true; Dlg. Title="Select the picture you want to convert"; Dlg. Filter="Image Files (*.jpg;*.bmp;*.gif;*.png) |*.jpg*.jpeg;*.gif;*.bmp| Allfiles (*. *) |*.*"; if(DialogResult.OK = =dlg. ShowDialog ()) { for(inti =0; I < dlg. Filenames.length; i++) {imgtobase64string (dlg. Filenames[i].                ToString ()); }            }        }        //picture converted to Base64 encoded text        Private voidImgtobase64string (stringimagefilename) {            Try{Bitmap bmp=NewBitmap (imagefilename);  This. pictureBox1.Image =bmp; FileStream FS=NewFileStream (Imagefilename +". txt", FileMode.Create); StreamWriter SW=NewStreamWriter (FS); MemoryStream Ms=NewMemoryStream (); Bmp.                Save (MS, System.Drawing.Imaging.ImageFormat.Jpeg); byte[] arr =New byte[Ms.                Length]; Ms. Position=0; Ms. Read (arr,0, (int) Ms.                Length); Ms.                Close (); String strbaser64=convert.tobase64string (arr); Sw.                Write (STRBASER64); Sw.                Close (); Fs.               Close (); //MessageBox.Show ("Successful conversion!");            }            Catch(Exception ex) {MessageBox.Show ("imgtobase64string conversion failed \nexception:"+Ex.            Message); }        }        //Base64 encoded text to image        Private voidButton2_Click (Objectsender, EventArgs e) {OpenFileDialog Dlg=NewOpenFileDialog (); Dlg. MultiSelect=true; Dlg. Title="Select the Base64 encoded text that you want to convert"; Dlg. Filter="txt files|*.txt"; if(DialogResult.OK = =dlg. ShowDialog ()) { for(inti =0; I < dlg. Filenames.length; i++) {base64stringtoimage (dlg. Filenames[i].                ToString ()); }                            }        }        //Base64 encoded text to image        Private voidBase64stringtoimage (stringtxtfilename) {            Try{FileStream IFS=NewFileStream (Txtfilename, FileMode.Open, FileAccess.Read); StreamReader SR=NewStreamReader (IFS); String Inputstr=Sr.                ReadToEnd (); byte[] arr =convert.frombase64string (INPUTSTR); MemoryStream Ms=NewMemoryStream (arr); Bitmap BMP=NewBitmap (MS); //bmp.                Save (Txtfilename + ". jpg", System.Drawing.Imaging.ImageFormat.Jpeg); //bmp.                Save (Txtfilename + ". bmp", imageformat.bmp); //bmp.                Save (Txtfilename + ". gif", imageformat.gif); //bmp. Save (Txtfilename + ". png", imageformat.png);Ms.                Close (); Sr.                Close (); Ifs.                Close ();  This. Picturebox2.image =bmp; if(File.exists (txtfilename)) {file.delete (txtfilename); }                //MessageBox.Show ("Conversion succeeded!") ");            }            Catch(Exception ex) {MessageBox.Show ("base64stringtoimage conversion failed \nexception:"+Ex.            Message); }        }

. NET C # pictures to Base64 Base64 to pictures