实例介绍
【实例简介】
【实例截图】
【实例截图】
【核心代码】
using System;
using System.Drawing;
using System.Collections;
using System.ComponentModel;
using System.Windows.Forms;
using Be.Windows.Forms;
using System.Collections.Generic;
using System.Text;
namespace Be.HexEditor
{
/// <summary>
/// Summary description for FormFind.
/// </summary>
public class FormFind : Core.FormEx
{
private Be.Windows.Forms.HexBox hexFind;
private System.Windows.Forms.TextBox txtFind;
private System.Windows.Forms.RadioButton rbString;
private System.Windows.Forms.RadioButton rbHex;
private System.Windows.Forms.Label label1;
private System.Windows.Forms.Button btnOK;
private System.Windows.Forms.Button btnCancel;
private Label lblPercent;
private Label lblFinding;
private CheckBox chkMatchCase;
private Timer timerPercent;
private Timer timer;
private FlowLayoutPanel flowLayoutPanel1;
private FlowLayoutPanel flowLayoutPanel2;
private Panel line;
private IContainer components;
public FormFind()
{
//
// Required for Windows Form Designer support
//
InitializeComponent();
//
// TODO: Add any constructor code after InitializeComponent call
//
rbString.CheckedChanged = new EventHandler(rb_CheckedChanged);
rbHex.CheckedChanged = new EventHandler(rb_CheckedChanged);
}
void ByteProvider_Changed(object sender, EventArgs e)
{
ValidateFind();
}
/// <summary>
/// Clean up any resources being used.
/// </summary>
protected override void Dispose( bool disposing )
{
if( disposing )
{
if(components != null)
{
components.Dispose();
}
}
base.Dispose( disposing );
}
#region Windows Form Designer generated code
/// <summary>
/// Required method for Designer support - do not modify
/// the contents of this method with the code editor.
/// </summary>
private void InitializeComponent()
{
this.components = new System.ComponentModel.Container();
System.ComponentModel.ComponentResourceManager resources = new System.ComponentModel.ComponentResourceManager(typeof(FormFind));
this.txtFind = new System.Windows.Forms.TextBox();
this.rbString = new System.Windows.Forms.RadioButton();
this.rbHex = new System.Windows.Forms.RadioButton();
this.label1 = new System.Windows.Forms.Label();
this.btnOK = new System.Windows.Forms.Button();
this.btnCancel = new System.Windows.Forms.Button();
this.lblPercent = new System.Windows.Forms.Label();
this.lblFinding = new System.Windows.Forms.Label();
this.chkMatchCase = new System.Windows.Forms.CheckBox();
this.timerPercent = new System.Windows.Forms.Timer(this.components);
this.timer = new System.Windows.Forms.Timer(this.components);
this.hexFind = new Be.Windows.Forms.HexBox();
this.flowLayoutPanel1 = new System.Windows.Forms.FlowLayoutPanel();
this.line = new System.Windows.Forms.Panel();
this.flowLayoutPanel2 = new System.Windows.Forms.FlowLayoutPanel();
this.flowLayoutPanel1.SuspendLayout();
this.flowLayoutPanel2.SuspendLayout();
this.SuspendLayout();
//
// txtFind
//
resources.ApplyResources(this.txtFind, "txtFind");
this.txtFind.Name = "txtFind";
this.txtFind.TextChanged = new System.EventHandler(this.txtString_TextChanged);
//
// rbString
//
resources.ApplyResources(this.rbString, "rbString");
this.rbString.Checked = true;
this.rbString.Name = "rbString";
this.rbString.TabStop = true;
//
// rbHex
//
resources.ApplyResources(this.rbHex, "rbHex");
this.rbHex.Name = "rbHex";
//
// label1
//
resources.ApplyResources(this.label1, "label1");
this.label1.ForeColor = System.Drawing.Color.Blue;
this.label1.Name = "label1";
//
// btnOK
//
resources.ApplyResources(this.btnOK, "btnOK");
this.btnOK.Name = "btnOK";
this.btnOK.Click = new System.EventHandler(this.btnOK_Click);
//
// btnCancel
//
resources.ApplyResources(this.btnCancel, "btnCancel");
this.btnCancel.DialogResult = System.Windows.Forms.DialogResult.Cancel;
this.btnCancel.Name = "btnCancel";
this.btnCancel.Click = new System.EventHandler(this.btnCancel_Click);
//
// lblPercent
//
resources.ApplyResources(this.lblPercent, "lblPercent");
this.lblPercent.Name = "lblPercent";
//
// lblFinding
//
this.lblFinding.ForeColor = System.Drawing.Color.Blue;
resources.ApplyResources(this.lblFinding, "lblFinding");
this.lblFinding.Name = "lblFinding";
//
// chkMatchCase
//
resources.ApplyResources(this.chkMatchCase, "chkMatchCase");
this.chkMatchCase.Name = "chkMatchCase";
this.chkMatchCase.UseVisualStyleBackColor = true;
//
// timerPercent
//
this.timerPercent.Tick = new System.EventHandler(this.timerPercent_Tick);
//
// timer
//
this.timer.Interval = 50;
this.timer.Tick = new System.EventHandler(this.timer_Tick);
//
// hexFind
//
resources.ApplyResources(this.hexFind, "hexFind");
//
//
//
this.hexFind.BuiltInContextMenu.CopyMenuItemImage = global::Be.HexEditor.images.CopyHS;
this.hexFind.BuiltInContextMenu.CopyMenuItemText = resources.GetString("hexFind.BuiltInContextMenu.CopyMenuItemText");
this.hexFind.BuiltInContextMenu.CutMenuItemImage = global::Be.HexEditor.images.CutHS;
this.hexFind.BuiltInContextMenu.CutMenuItemText = resources.GetString("hexFind.BuiltInContextMenu.CutMenuItemText");
this.hexFind.BuiltInContextMenu.PasteMenuItemImage = global::Be.HexEditor.images.PasteHS;
this.hexFind.BuiltInContextMenu.PasteMenuItemText = resources.GetString("hexFind.BuiltInContextMenu.PasteMenuItemText");
this.hexFind.BuiltInContextMenu.SelectAllMenuItemText = resources.GetString("hexFind.BuiltInContextMenu.SelectAllMenuItemText");
this.hexFind.InfoForeColor = System.Drawing.Color.Empty;
this.hexFind.Name = "hexFind";
this.hexFind.ShadowSelectionColor = System.Drawing.Color.FromArgb(((int)(((byte)(100)))), ((int)(((byte)(60)))), ((int)(((byte)(188)))), ((int)(((byte)(255)))));
//
// flowLayoutPanel1
//
this.flowLayoutPanel1.Controls.Add(this.label1);
this.flowLayoutPanel1.Controls.Add(this.line);
resources.ApplyResources(this.flowLayoutPanel1, "flowLayoutPanel1");
this.flowLayoutPanel1.Name = "flowLayoutPanel1";
this.flowLayoutPanel1.Paint = new System.Windows.Forms.PaintEventHandler(this.flowLayoutPanel1_Paint);
//
// line
//
resources.ApplyResources(this.line, "line");
this.line.BackColor = System.Drawing.Color.LightGray;
this.line.Name = "line";
//
// flowLayoutPanel2
//
resources.ApplyResources(this.flowLayoutPanel2, "flowLayoutPanel2");
this.flowLayoutPanel2.Controls.Add(this.btnCancel);
this.flowLayoutPanel2.Controls.Add(this.btnOK);
this.flowLayoutPanel2.Controls.Add(this.lblFinding);
this.flowLayoutPanel2.Controls.Add(this.lblPercent);
this.flowLayoutPanel2.Name = "flowLayoutPanel2";
//
// FormFind
//
this.AcceptButton = this.btnOK;
resources.ApplyResources(this, "$this");
this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Dpi;
this.BackColor = System.Drawing.SystemColors.Control;
this.CancelButton = this.btnCancel;
this.Controls.Add(this.flowLayoutPanel2);
this.Controls.Add(this.flowLayoutPanel1);
this.Controls.Add(this.chkMatchCase);
this.Controls.Add(this.rbHex);
this.Controls.Add(this.rbString);
this.Controls.Add(this.txtFind);
this.Controls.Add(this.hexFind);
this.FormBorderStyle = System.Windows.Forms.FormBorderStyle.FixedDialog;
this.MaximizeBox = false;
this.MinimizeBox = false;
this.Name = "FormFind";
this.ShowIcon = false;
this.ShowInTaskbar = false;
this.Activated = new System.EventHandler(this.FormFind_Activated);
this.flowLayoutPanel1.ResumeLayout(false);
this.flowLayoutPanel1.PerformLayout();
this.flowLayoutPanel2.ResumeLayout(false);
this.flowLayoutPanel2.PerformLayout();
this.ResumeLayout(false);
this.PerformLayout();
}
#endregion
private FindOptions _findOptions;
public FindOptions FindOptions
{
get
{
return _findOptions;
}
set
{
_findOptions = value;
Reinitialize();
}
}
public HexBox HexBox { get; set; }
private void Reinitialize()
{
rbString.Checked = _findOptions.Type == FindType.Text;
txtFind.Text = _findOptions.Text;
chkMatchCase.Checked = _findOptions.MatchCase;
rbHex.Checked = _findOptions.Type == FindType.Hex;
if (hexFind.ByteProvider != null)
hexFind.ByteProvider.Changed -= new EventHandler(ByteProvider_Changed);
var hex = this._findOptions.Hex != null ? _findOptions.Hex : new byte[0];
hexFind.ByteProvider = new DynamicByteProvider(hex);
hexFind.ByteProvider.Changed = new EventHandler(ByteProvider_Changed);
}
private void rb_CheckedChanged(object sender, System.EventArgs e)
{
txtFind.Enabled = rbString.Checked;
hexFind.Enabled = !txtFind.Enabled;
if(txtFind.Enabled)
txtFind.Focus();
else
hexFind.Focus();
}
private void rbString_Enter(object sender, EventArgs e)
{
txtFind.Focus();
}
private void rbHex_Enter(object sender, EventArgs e)
{
hexFind.Focus();
}
private void FormFind_Activated(object sender, System.EventArgs e)
{
if(rbString.Checked)
txtFind.Focus();
else
hexFind.Focus();
}
private void btnOK_Click(object sender, System.EventArgs e)
{
_findOptions.MatchCase = chkMatchCase.Checked;
var provider = this.hexFind.ByteProvider as DynamicByteProvider;
_findOptions.Hex = provider.Bytes.ToArray();
_findOptions.Text = txtFind.Text;
_findOptions.Type = rbHex.Checked ? FindType.Hex : FindType.Text;
_findOptions.MatchCase = chkMatchCase.Checked;
_findOptions.IsValid = true;
FindNext();
}
bool _finding;
public void FindNext()
{
if (!_findOptions.IsValid)
return;
UpdateUIToFindingState();
// start find process
long res = HexBox.Find(_findOptions);
UpdateUIToNormalState();
Application.DoEvents();
if (res == -1) // -1 = no match
{
MessageBox.Show(strings.FindOperationEndOfFile, Program.SoftwareName,
MessageBoxButtons.OK, MessageBoxIcon.Information);
}
else if (res == -2) // -2 = find was aborted
{
return;
}
else // something was found
{
this.Close();
Application.DoEvents();
if (!HexBox.Focused)
HexBox.Focus();
}
}
private void UpdateUIToNormalState()
{
timer.Stop();
timerPercent.Stop();
_finding = false;
txtFind.Enabled = chkMatchCase.Enabled = rbHex.Enabled = rbString.Enabled
= hexFind.Enabled = btnOK.Enabled = true;
}
private void UpdateUIToFindingState()
{
_finding = true;
timer.Start();
timerPercent.Start();
txtFind.Enabled = chkMatchCase.Enabled = rbHex.Enabled = rbString.Enabled
= hexFind.Enabled = btnOK.Enabled = false;
}
private void btnCancel_Click(object sender, System.EventArgs e)
{
if (_finding)
this.HexBox.AbortFind();
else
this.Close();
}
private void txtString_TextChanged(object sender, EventArgs e)
{
ValidateFind();
}
private void ValidateFind()
{
var isValid = false;
if (rbString.Checked && txtFind.Text.Length > 0)
isValid = true;
if (rbHex.Checked && hexFind.ByteProvider.Length > 0)
isValid = true;
this.btnOK.Enabled = isValid;
}
private void timer_Tick(object sender, EventArgs e)
{
if (lblFinding.Text.Length == 13)
lblFinding.Text = "";
lblFinding.Text = ".";
}
private void timerPercent_Tick(object sender, EventArgs e)
{
long pos = this.HexBox.CurrentFindingPosition;
long length = HexBox.ByteProvider.Length;
double percent = (double)pos / (double)length * (double)100;
System.Globalization.NumberFormatInfo nfi =
new System.Globalization.CultureInfo("en-US").NumberFormat;
string text = percent.ToString("0.00", nfi) " %";
lblPercent.Text = text;
}
private void flowLayoutPanel1_Paint(object sender, PaintEventArgs e)
{
}
}
}
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