Winform file Control-Go

1. OpenFileDialog

Private voidOpenfiledialogbtn_click (Objectsender, System.EventArgs e) {OpenFileDialog OpenFileDialog=NewOpenFileDialog (); Openfiledialog.initialdirectory="C : \///Note that the path is written with a.Openfiledialog.filter ="text Files |*.*| C # files |*.cs| all Files |*.*"; Openfiledialog.restoredirectory=true; Openfiledialog.filterindex=1; if(Openfiledialog.showdialog () = =DialogResult.OK) {fName=Openfiledialog.filename; File FileOpen=NewFile (fName); Isfilehavename=true; richTextBox1.Text=Fileopen.readfile (); Richtextbox1.appendtext (""); }}

2. SaveFileDialog

#regionThe realization of SaveFileDialog            {                //string Localfilepath, Filenameext, NewFileName, FilePath;                 stringLocalfilepath =String.Empty; SaveFileDialog SaveFileDialog1=NewSaveFileDialog (); //Set File typeSavefiledialog1.filter ="xls files (*.xls) |*.txt| All Files (*. *) |*.*"; //Set file name:Savefiledialog1.filename = DateTime.Now.ToString ("YYYYMMDD") +"-"+"Asset Information report. xls"; //Set Default file type display orderSavefiledialog1.filterindex =2; //Save dialog box remembers the last Open directorySavefiledialog1.restoredirectory =true; //Click the Save button to enter                if(Savefiledialog1.showdialog () = =DialogResult.OK) {//Get file pathLocalfilepath =saveFileDialog1.FileName.ToString (); //string filname = This.openFileDialog2.FileName; //get the file name without a path//Filenameext = localfilepath.substring (localfilepath.lastindexof ("\ \") + 1); //get file path, without file name//FilePath = localfilepath.substring (0, localfilepath.lastindexof ("\ \")); //add time to file name before//NewFileName = DateTime.Now.ToString ("yyyyMMdd") + Filenameext; //add characters to the file name//SaveFileDialog1.FileName.Insert (1, "Dameng"); //System.IO.FileStream fs = (System.IO.FileStream) savefiledialog1.openfile ();//Output File//fs output files with text or pictures, just look at the requirements                }                           }

3.folderBrowserDialog

            if (Folderbrowserdialog1.showdialog () = = DialogResult.OK)            {                string filename = folderbrowserdialog1.selectedpath;                 = filename;            }

Http://www.xuejiehome.com/blread-1679.html

http://blog.csdn.net/pvfhv/article/details/6087400

Http://www.cnblogs.com/smile-wei/archive/2012/07/04/2575630.html

1. The OpenFileDialog control has the following basic properties

InitialDirectory	Initial directory of the dialog box
Filter	The file filter to display in the dialog box, for example, "text file (*.txt) |*.txt| All Files (*. *) | | *.*"
FilterIndex	The index of the file filter selected in the dialog box, set to 1 if the first item is selected
Restoredirectory	Controls whether the dialog box restores the current directory before closing
FileName	The first file to display in a dialog box or the last selected file
Title	Characters that will be displayed in the title bar of the dialog box
AddExtension	Whether to add default extensions automatically
Checkpathexists	Checks whether the specified path exists before the dialog box returns
DefaultExt	Default name extension
Dereferencelinks	Whether to dereference a shortcut before returning from the dialog box
ShowHelp	Enable the Help button
Validatenames	Control dialog box checks if the file name does not contain invalid characters or sequences

2. OpenFileDialog controls have the following common events

FileOk	Events to be handled when the user taps the "open" or "save" button
HelpRequest	Events to be handled when the user taps the Help button

Winform file Control-Go