Ing. Javier Calvo Moreno

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1 CODIGOS PARA HACER UN BLOCK DE NOTAS CON LAS FUNCIONES: Nuevo, Abrir, Guardar, Guardar Como, Imprimir, Formato fuente, Salir. Ing. Javier Calvo Moreno Nota: Son las opciones básicas, ustedes pueden agregar otras

2 Nuevo if (rtbdoc.modified == true) System.Windows.Forms.DialogResult answer; answer = MessageBox.Show("Save current document before creating new document?", "Unsaved Document", MessageBoxButtons.YesNo, MessageBoxIcon.Question); if (answer == System.Windows.Forms.DialogResult.No) currentfile = ""; this.text = "NotePad 2008: New Document"; rtbdoc.clear(); SaveToolStripMenuItem_Click(this, new EventArgs()); rtbdoc.clear(); currentfile = ""; this.text = "NotePad 2008: New Document"; currentfile = ""; this.text = "NotePad 2008: New Document"; rtbdoc.clear(); 2

Question); if (answer == System.Windows.Forms.DialogResult.No) currentfile = ""; this.text = "NotePad 2008: New Document"; rtbdoc.

3 Abrir if (rtbdoc.modified == true) System.Windows.Forms.DialogResult answer; answer = MessageBox.Show("Save current file before opening another document?", "Unsaved Document", MessageBoxButtons.YesNo, MessageBoxIcon.Question); if (answer == System.Windows.Forms.DialogResult.No) OpenFile(); SaveToolStripMenuItem_Click(this, new EventArgs()); OpenFile(); OpenFile(); Guardar if (currentfile == string.empty) SaveAsToolStripMenuItem_Click(this, e); string strext; strext = System.IO.Path.GetExtension(currentFile); strext = strext.toupper(); if (strext == ".RTF") rtbdoc.savefile(currentfile);

No) OpenFile(); SaveToolStripMenuItem_Click(this, new EventArgs()); OpenFile(); OpenFile(); 3 ++++++++++++++++++++++++ Guardar ++++++++++++++++++++++++++++++++ if (currentfile ==

4 System.IO.StreamWriter txtwriter; txtwriter = new System.IO.StreamWriter(currentFile); txtwriter.write(rtbdoc.text); txtwriter.close(); txtwriter = null; rtbdoc.selectionstart = 0; rtbdoc.selectionlength = 0; this.text = "NotePad 2008: " + currentfile.tostring(); MessageBox.Show(ex.Message.ToString(), "File Save Error"); Guardar Como SaveFileDialog1.Title = "RTE - Save File"; SaveFileDialog1.DefaultExt = "rtf"; SaveFileDialog1.Filter = "Rich Text Files *.rtf Text Files *.txt HTML Files *.htm All Files *.*"; SaveFileDialog1.FilterIndex = 1; 4 if (SaveFileDialog1.ShowDialog() == DialogResult.OK) if (SaveFileDialog1.FileName == "") string strext; strext = System.IO.Path.GetExtension(SaveFileDialog1.FileName); strext = strext.toupper(); if (strext == ".RTF") rtbdoc.savefile(savefiledialog1.filename, RichTextBoxStreamType.RichText); System.IO.StreamWriter txtwriter; txtwriter = new System.IO.StreamWriter(SaveFileDialog1.FileName);

Title = "RTE - Save File"; SaveFileDialog1.DefaultExt = "rtf"; SaveFileDialog1.Filter = "Rich Text Files *.rtf Text Files *.txt HTML Files *.htm All Files *.*"; SaveFileDialog1.

5 txtwriter.write(rtbdoc.text); txtwriter.close(); txtwriter = null; rtbdoc.selectionstart = 0; rtbdoc.selectionlength = 0; currentfile = SaveFileDialog1.FileName; this.text = "NotePad 2008: " + currentfile.tostring(); MessageBox.Show(currentFile.ToString() + " saved.", "File Save"); MessageBox.Show("Save File request cancelled by user.", "Cancelled"); imprimir PrintDialog1.Document = PrintDocument1; if (PrintDialog1.ShowDialog() == System.Windows.Forms.DialogResult.OK) PrintDocument1.Print(); fuente if (!(rtbdoc.selectionfont == null)) FontDialog1.Font = rtbdoc.selectionfont;

", "Cancelled"); ++++++++++++++++++++++++++++ imprimir +++++++++++++++++++++ 5 PrintDialog1.Document = PrintDocument1; if (PrintDialog1.ShowDialog() == System.Windows.Forms.

6 FontDialog1.Font = null; FontDialog1.ShowApply = true; if (FontDialog1.ShowDialog() == System.Windows.Forms.DialogResult.OK) rtbdoc.selectionfont = FontDialog1.Font; 6

I A Form és a párbeszédablakok I.1. MessageBox osztály MessageBox.Show(szöveg[,cím[,gombok[,ikon[,defaultbutton]]]]);

I A Form és a párbeszédablakok I.1. MessageBox osztály MessageBox.Show(szöveg[,cím[,gombok[,ikon[,defaultbutton]]]]); szöveg, cím gomb ikon defaultbutton String - MessageBoxButtons.OK - MessageBoxIcon.Asterix.Error.OKCancel.Question