Mega Code Archive
RichTextBox Focus()
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using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Windows.Forms;
class Form1 : Form {
public Form1() {
InitializeComponent();
}
private void buttonBold_Click(object sender, EventArgs e) {
Font oldFont;
Font newFont;
oldFont = this.richTextBoxText.SelectionFont;
if (oldFont.Bold)
newFont = new Font(oldFont, oldFont.Style & ~FontStyle.Bold);
else
newFont = new Font(oldFont, oldFont.Style | FontStyle.Bold);
this.richTextBoxText.SelectionFont = newFont;
this.richTextBoxText.Focus();
}
private void buttonUnderline_Click(object sender, EventArgs e) {
Font oldFont;
Font newFont;
oldFont = this.richTextBoxText.SelectionFont;
if (oldFont.Underline)
newFont = new Font(oldFont, oldFont.Style & ~FontStyle.Underline);
else
newFont = new Font(oldFont, oldFont.Style | FontStyle.Underline);
this.richTextBoxText.SelectionFont = newFont;
this.richTextBoxText.Focus();
}
private void buttonItalic_Click(object sender, EventArgs e) {
Font oldFont;
Font newFont;
oldFont = this.richTextBoxText.SelectionFont;
if (oldFont.Italic)
newFont = new Font(oldFont, oldFont.Style & ~FontStyle.Italic);
else
newFont = new Font(oldFont, oldFont.Style | FontStyle.Italic);
this.richTextBoxText.SelectionFont = newFont;
this.richTextBoxText.Focus();
}
private void buttonCenter_Click(object sender, EventArgs e) {
if (this.richTextBoxText.SelectionAlignment == HorizontalAlignment.Center)
this.richTextBoxText.SelectionAlignment = HorizontalAlignment.Left;
else
this.richTextBoxText.SelectionAlignment = HorizontalAlignment.Center;
this.richTextBoxText.Focus();
}
private void textBoxSize_KeyPress(object sender, KeyPressEventArgs e) {
if ((e.KeyChar < 48 || e.KeyChar > 57) &&
e.KeyChar != 8 && e.KeyChar != 13) {
e.Handled = true;
} else if (e.KeyChar == 13) {
TextBox txt = (TextBox)sender;
if (txt.Text.Length > 0)
ApplyTextSize(txt.Text);
e.Handled = true;
this.richTextBoxText.Focus();
}
}
private void textBoxSize_Validating(object sender, CancelEventArgs e) {
TextBox txt = (TextBox)sender;
ApplyTextSize(txt.Text);
this.richTextBoxText.Focus();
}
private void ApplyTextSize(string textSize) {
float newSize = Convert.ToSingle(textSize);
FontFamily currentFontFamily;
Font newFont;
currentFontFamily = this.richTextBoxText.SelectionFont.FontFamily;
newFont = new Font(currentFontFamily, newSize);
this.richTextBoxText.SelectionFont = newFont;
}
private void richTextBoxText_LinkClicked(object sender, LinkClickedEventArgs e) {
System.Diagnostics.Process.Start(e.LinkText);
}
private void buttonLoad_Click(object sender, EventArgs e) {
try {
richTextBoxText.LoadFile("Test.rtf");
} catch (System.IO.FileNotFoundException) {
MessageBox.Show("No file to load yet");
}
}
private void buttonSave_Click(object sender, EventArgs e) {
try {
richTextBoxText.SaveFile("Test.rtf");
} catch (System.Exception err) {
MessageBox.Show(err.Message);
}
}
private void InitializeComponent() {
this.buttonBold = new System.Windows.Forms.Button();
this.buttonUnderline = new System.Windows.Forms.Button();
this.buttonItalic = new System.Windows.Forms.Button();
this.buttonCenter = new System.Windows.Forms.Button();
this.buttonSave = new System.Windows.Forms.Button();
this.buttonLoad = new System.Windows.Forms.Button();
this.labelSize = new System.Windows.Forms.Label();
this.textBoxSize = new System.Windows.Forms.TextBox();
this.richTextBoxText = new System.Windows.Forms.RichTextBox();
this.SuspendLayout();
this.buttonBold.Anchor = System.Windows.Forms.AnchorStyles.Top;
this.buttonBold.Location = new System.Drawing.Point(187, 13);
this.buttonBold.Margin = new System.Windows.Forms.Padding(3, 3, 3, 1);
this.buttonBold.Name = "buttonBold";
this.buttonBold.Size = new System.Drawing.Size(82, 23);
this.buttonBold.TabIndex = 0;
this.buttonBold.Text = "Bold";
this.buttonBold.Click += new System.EventHandler(this.buttonBold_Click);
this.buttonUnderline.Anchor = System.Windows.Forms.AnchorStyles.Top;
this.buttonUnderline.Location = new System.Drawing.Point(276, 13);
this.buttonUnderline.Margin = new System.Windows.Forms.Padding(3, 3, 3, 1);
this.buttonUnderline.Name = "buttonUnderline";
this.buttonUnderline.Size = new System.Drawing.Size(82, 23);
this.buttonUnderline.TabIndex = 1;
this.buttonUnderline.Text = "Underline";
this.buttonUnderline.Click += new System.EventHandler(this.buttonUnderline_Click);
this.buttonItalic.Anchor = System.Windows.Forms.AnchorStyles.Top;
this.buttonItalic.Location = new System.Drawing.Point(365, 13);
this.buttonItalic.Name = "buttonItalic";
this.buttonItalic.Size = new System.Drawing.Size(82, 23);
this.buttonItalic.TabIndex = 2;
this.buttonItalic.Text = "Italic";
this.buttonItalic.Click += new System.EventHandler(this.buttonItalic_Click);
this.buttonCenter.Anchor = System.Windows.Forms.AnchorStyles.Top;
this.buttonCenter.Location = new System.Drawing.Point(454, 13);
this.buttonCenter.Margin = new System.Windows.Forms.Padding(3, 0, 3, 3);
this.buttonCenter.Name = "buttonCenter";
this.buttonCenter.Size = new System.Drawing.Size(82, 23);
this.buttonCenter.TabIndex = 3;
this.buttonCenter.Text = "Center";
this.buttonCenter.Click += new System.EventHandler(this.buttonCenter_Click);
this.buttonSave.Anchor = System.Windows.Forms.AnchorStyles.Bottom;
this.buttonSave.Location = new System.Drawing.Point(365, 309);
this.buttonSave.Margin = new System.Windows.Forms.Padding(3, 0, 3, 3);
this.buttonSave.Name = "buttonSave";
this.buttonSave.Size = new System.Drawing.Size(82, 23);
this.buttonSave.TabIndex = 4;
this.buttonSave.Text = "Save";
this.buttonSave.Click += new System.EventHandler(this.buttonSave_Click);
this.buttonLoad.Anchor = System.Windows.Forms.AnchorStyles.Bottom;
this.buttonLoad.Location = new System.Drawing.Point(276, 309);
this.buttonLoad.Name = "buttonLoad";
this.buttonLoad.Size = new System.Drawing.Size(82, 23);
this.buttonLoad.TabIndex = 5;
this.buttonLoad.Text = "Load";
this.buttonLoad.Click += new System.EventHandler(this.buttonLoad_Click);
this.labelSize.Anchor = System.Windows.Forms.AnchorStyles.Top;
this.labelSize.AutoSize = true;
this.labelSize.Location = new System.Drawing.Point(295, 46);
this.labelSize.Name = "labelSize";
this.labelSize.Size = new System.Drawing.Size(26, 14);
this.labelSize.TabIndex = 6;
this.labelSize.Text = "Size";
this.textBoxSize.Anchor = System.Windows.Forms.AnchorStyles.Top;
this.textBoxSize.Location = new System.Drawing.Point(328, 43);
this.textBoxSize.Name = "textBoxSize";
this.textBoxSize.TabIndex = 7;
this.textBoxSize.Text = "10";
this.textBoxSize.Validating += new System.ComponentModel.CancelEventHandler(this.textBoxSize_Validating);
this.textBoxSize.KeyPress += new System.Windows.Forms.KeyPressEventHandler(this.textBoxSize_KeyPress);
this.richTextBoxText.Anchor = ((System.Windows.Forms.AnchorStyles)((((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Bottom)
| System.Windows.Forms.AnchorStyles.Left)
| System.Windows.Forms.AnchorStyles.Right)));
this.richTextBoxText.Location = new System.Drawing.Point(13, 70);
this.richTextBoxText.Name = "richTextBoxText";
this.richTextBoxText.Size = new System.Drawing.Size(686, 232);
this.richTextBoxText.TabIndex = 8;
this.richTextBoxText.Text = "";
this.richTextBoxText.LinkClicked += new System.Windows.Forms.LinkClickedEventHandler(this.richTextBoxText_LinkClicked);
this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);
this.ClientSize = new System.Drawing.Size(722, 341);
this.Controls.Add(this.richTextBoxText);
this.Controls.Add(this.textBoxSize);
this.Controls.Add(this.labelSize);
this.Controls.Add(this.buttonLoad);
this.Controls.Add(this.buttonSave);
this.Controls.Add(this.buttonCenter);
this.Controls.Add(this.buttonItalic);
this.Controls.Add(this.buttonUnderline);
this.Controls.Add(this.buttonBold);
this.MinimumSize = new System.Drawing.Size(730, 368);
this.Name = "Form1";
this.Text = "RichTextBox Test";
this.ResumeLayout(false);
this.PerformLayout();
}
private System.Windows.Forms.Button buttonBold;
private System.Windows.Forms.Button buttonUnderline;
private System.Windows.Forms.Button buttonItalic;
private System.Windows.Forms.Button buttonCenter;
private System.Windows.Forms.Button buttonSave;
private System.Windows.Forms.Button buttonLoad;
private System.Windows.Forms.Label labelSize;
private System.Windows.Forms.TextBox textBoxSize;
private System.Windows.Forms.RichTextBox richTextBoxText;
[STAThread]
static void Main() {
Application.EnableVisualStyles();
Application.Run(new Form1());
}
}
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