using System.IO;

Open File Dialog Example


	String Filename;

	//If last directory is not valid then default to My Documents (if you don't include this the catch below won't occur for null strings so the start directory is undefined)
	if (!Directory.Exists(ApMain.LastFileDirectory))
		ApMain.LastFileDirectory = Environment.GetFolderPath(Environment.SpecialFolder.MyDocuments);

	//----- FILE OPEN DIALOG BOX -----
	OpenFileDialog SelectFileDialog = new OpenFileDialog();

	SelectFileDialog.Filter = "All Files (*.*)|*.*";		//"txt files (*.txt)|*.txt|All files (*.*)|*.*"
	SelectFileDialog.FilterIndex = 1;				//(First entry is 1, not 0)
	try
	{
		SelectFileDialog.InitialDirectory = ApMain.LastFileDirectory;
	}
	catch (Exception)
	{
		SelectFileDialog.InitialDirectory = Environment.GetFolderPath(Environment.SpecialFolder.MyDocuments);
	}
	//Display dialog box
	if (SelectFileDialog.ShowDialog() == System.Windows.Forms.DialogResult.OK)
	{
		//----- OPEN THE FILE -----
		Filename = SelectFileDialog.FileName;

		//STORE LAST USED DIRECTORY
		if (Filename.LastIndexOf("\\") >= 0)
			ApMain.LastFileDirectory = Filename.Substring(0, (Filename.LastIndexOf("\\") + 1));

	}
Feel free to comment if you can add help to this page or point out issues and solutions you have found. I do not provide support on this site, if you need help with a problem head over to stack overflow.

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