{

public event DisplayImageEventHandler ImageReadyForDisplay;

private bool _capturing;

private Image _finderHome;

private Image _finderGone;

private Cursor _cursorDefault;

private Cursor _cursorFinder;

private IntPtr _hPreviousWindow;

private System.Windows.Forms.Button _buttonOK;

private System.Windows.Forms.Button _buttonCancel;

private System.Windows.Forms.Button _buttonCapture;

private System.Windows.Forms.PictureBox _pictureBox;

private System.Windows.Forms.Label label7;

private System.Windows.Forms.Label label6;

private System.Windows.Forms.TextBox _textBoxRect;

private System.Windows.Forms.TextBox _textBoxStyle;

private System.Windows.Forms.Label label5;

private System.Windows.Forms.Label label4;

private System.Windows.Forms.Label label3;

private System.Windows.Forms.TextBox _textBoxHandle;

private System.Windows.Forms.TextBox _textBoxClass;

private System.Windows.Forms.Label label1;

private System.Windows.Forms.TextBox _textBoxText;

private System.Windows.Forms.Label label2;

private System.ComponentModel.Container components = null;

/// <summary>

/// Initializes a new instance of the SpyWindow class

/// </summary>

public SpyWindow()

{

this.InitializeComponent();

_cursorDefault = Cursor.Current;

_cursorFinder = EmbeddedResources.LoadCursor(EmbeddedResources.Finder);

_finderHome = EmbeddedResources.LoadImage(EmbeddedResources.FinderHome);

_finderGone = EmbeddedResources.LoadImage(EmbeddedResources.FinderGone);

_pictureBox.Image = _finderHome;

_pictureBox.MouseDown += new MouseEventHandler(OnFinderToolMouseDown);

_buttonOK.Click += new EventHandler(OnButtonOKClicked);

_buttonCancel.Click += new EventHandler(OnButtonCancelClicked);

_buttonCapture.Click += new EventHandler(OnButtonCaptureClicked);

_buttonCapture.Enabled = false;

_textBoxHandle.TextChanged += new EventHandler(OnTextBoxHandleTextChanged);

this.AcceptButton = _buttonOK;

this.CancelButton = _buttonCancel;

}

/// <summary>

/// Clean up any resources being used.

/// </summary>

protected override void Dispose( bool disposing )

{

if( disposing )

{

if(components != null)

{

components.Dispose();

if (_capturing)

this.CaptureMouse(false);

}

}

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._buttonOK = new System.Windows.Forms.Button();

this._buttonCancel = new System.Windows.Forms.Button();

this._buttonCapture = new System.Windows.Forms.Button();

this._pictureBox = new System.Windows.Forms.PictureBox();

this.label7 = new System.Windows.Forms.Label();

this.label6 = new System.Windows.Forms.Label();

this._textBoxRect = new System.Windows.Forms.TextBox();

this._textBoxStyle = new System.Windows.Forms.TextBox();

this.label5 = new System.Windows.Forms.Label();

this.label4 = new System.Windows.Forms.Label();

this.label3 = new System.Windows.Forms.Label();

this._textBoxHandle = new System.Windows.Forms.TextBox();

this._textBoxClass = new System.Windows.Forms.TextBox();

this.label1 = new System.Windows.Forms.Label();

this._textBoxText = new System.Windows.Forms.TextBox();

this.label2 = new System.Windows.Forms.Label();

this.SuspendLayout();

//

// _buttonOK

//

this._buttonOK.Anchor = ((System.Windows.Forms.AnchorStyles)((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Right)));

this._buttonOK.FlatStyle = System.Windows.Forms.FlatStyle.System;

this._buttonOK.Location = new System.Drawing.Point(195, 240);

this._buttonOK.Name = "_buttonOK";

this._buttonOK.TabIndex = 7;

this._buttonOK.Text = "OK";

//

// _buttonCancel

//

this._buttonCancel.Anchor = ((System.Windows.Forms.AnchorStyles)((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Right)));

this._buttonCancel.FlatStyle = System.Windows.Forms.FlatStyle.System;

this._buttonCancel.Location = new System.Drawing.Point(275, 240);

this._buttonCancel.Name = "_buttonCancel";

this._buttonCancel.TabIndex = 8;

this._buttonCancel.Text = "Cancel";

//

// _buttonCapture

//

this._buttonCapture.FlatStyle = System.Windows.Forms.FlatStyle.System;

this._buttonCapture.Location = new System.Drawing.Point(275, 100);

this._buttonCapture.Name = "_buttonCapture";

this._buttonCapture.Size = new System.Drawing.Size(75, 25);

this._buttonCapture.TabIndex = 14;

this._buttonCapture.Text = "Capture";

//

// _pictureBox

//

this._pictureBox.Location = new System.Drawing.Point(90, 60);

this._pictureBox.Name = "_pictureBox";

this._pictureBox.Size = new System.Drawing.Size(32, 32);

this._pictureBox.TabIndex = 27;

this._pictureBox.TabStop = false;

//

// label7

//

this.label7.Location = new System.Drawing.Point(15, 65);

this.label7.Name = "label7";

this.label7.Size = new System.Drawing.Size(70, 20);

this.label7.TabIndex = 26;

this.label7.Text = "Finder Tool:";

//

// label6

//

this.label6.Anchor = ((System.Windows.Forms.AnchorStyles)(((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Left)

| System.Windows.Forms.AnchorStyles.Right)));

this.label6.Location = new System.Drawing.Point(10, 10);

this.label6.Name = "label6";

this.label6.Size = new System.Drawing.Size(345, 40);

this.label6.TabIndex = 25;

this.label6.Text = "Drag the Finder Tool over a window to select it, then release the mouse button. O" +

"r enter a window handle (in hexadecimal).";

//

// _textBoxRect

//

this._textBoxRect.Anchor = ((System.Windows.Forms.AnchorStyles)(((System.Windows.Forms.AnchorStyles.Bottom | System.Windows.Forms.AnchorStyles.Left)

| System.Windows.Forms.AnchorStyles.Right)));

this._textBoxRect.BackColor = System.Drawing.SystemColors.Window;

this._textBoxRect.Location = new System.Drawing.Point(65, 205);

this._textBoxRect.Name = "_textBoxRect";

this._textBoxRect.Size = new System.Drawing.Size(285, 20);

this._textBoxRect.TabIndex = 24;

this._textBoxRect.Text = "";

//

// _textBoxStyle

//

this._textBoxStyle.Anchor = ((System.Windows.Forms.AnchorStyles)(((System.Windows.Forms.AnchorStyles.Bottom | System.Windows.Forms.AnchorStyles.Left)

| System.Windows.Forms.AnchorStyles.Right)));

this._textBoxStyle.BackColor = System.Drawing.SystemColors.Window;

this._textBoxStyle.Location = new System.Drawing.Point(65, 180);

this._textBoxStyle.Name = "_textBoxStyle";

this._textBoxStyle.Size = new System.Drawing.Size(285, 20);

this._textBoxStyle.TabIndex = 23;

this._textBoxStyle.Text = "";

//

// label5

//

this.label5.Anchor = ((System.Windows.Forms.AnchorStyles)((System.Windows.Forms.AnchorStyles.Bottom | System.Windows.Forms.AnchorStyles.Left)));

this.label5.Location = new System.Drawing.Point(10, 205);

this.label5.Name = "label5";

this.label5.Size = new System.Drawing.Size(55, 20);

this.label5.TabIndex = 22;

this.label5.Text = "Rect:";

//

// label4

//

this.label4.Anchor = ((System.Windows.Forms.AnchorStyles)((System.Windows.Forms.AnchorStyles.Bottom | System.Windows.Forms.AnchorStyles.Left)));

this.label4.Location = new System.Drawing.Point(10, 180);

this.label4.Name = "label4";

this.label4.Size = new System.Drawing.Size(55, 20);

this.label4.TabIndex = 21;

this.label4.Text = "Style:";

//

// label3

//

this.label3.Anchor = ((System.Windows.Forms.AnchorStyles)((System.Windows.Forms.AnchorStyles.Bottom | System.Windows.Forms.AnchorStyles.Left)));

this.label3.Location = new System.Drawing.Point(10, 130);

this.label3.Name = "label3";

this.label3.Size = new System.Drawing.Size(55, 20);

this.label3.TabIndex = 17;

this.label3.Text = "Caption:";

//

// _textBoxHandle

//

this._textBoxHandle.Anchor = ((System.Windows.Forms.AnchorStyles)((System.Windows.Forms.AnchorStyles.Bottom | System.Windows.Forms.AnchorStyles.Left)));

this._textBoxHandle.BackColor = System.Drawing.SystemColors.Window;

this._textBoxHandle.Location = new System.Drawing.Point(65, 105);

this._textBoxHandle.Name = "_textBoxHandle";

this._textBoxHandle.Size = new System.Drawing.Size(200, 20);

this._textBoxHandle.TabIndex = 18;

this._textBoxHandle.Text = "";

//

// _textBoxClass

//

this._textBoxClass.Anchor = ((System.Windows.Forms.AnchorStyles)(((System.Windows.Forms.AnchorStyles.Bottom | System.Windows.Forms.AnchorStyles.Left)

| System.Windows.Forms.AnchorStyles.Right)));

this._textBoxClass.BackColor = System.Drawing.SystemColors.Window;

this._textBoxClass.Location = new System.Drawing.Point(65, 155);

this._textBoxClass.Name = "_textBoxClass";

this._textBoxClass.Size = new System.Drawing.Size(285, 20);

this._textBoxClass.TabIndex = 19;

this._textBoxClass.Text = "";

//

// label1

//

this.label1.Anchor = ((System.Windows.Forms.AnchorStyles)((System.Windows.Forms.AnchorStyles.Bottom | System.Windows.Forms.AnchorStyles.Left)));

this.label1.Location = new System.Drawing.Point(10, 105);

this.label1.Name = "label1";

this.label1.Size = new System.Drawing.Size(55, 20);

this.label1.TabIndex = 15;

this.label1.Text = "Handle:";

//

// _textBoxText

//

this._textBoxText.Anchor = ((System.Windows.Forms.AnchorStyles)(((System.Windows.Forms.AnchorStyles.Bottom | System.Windows.Forms.AnchorStyles.Left)

| System.Windows.Forms.AnchorStyles.Right)));

this._textBoxText.BackColor = System.Drawing.SystemColors.Window;

this._textBoxText.Location = new System.Drawing.Point(65, 130);

this._textBoxText.Name = "_textBoxText";

this._textBoxText.Size = new System.Drawing.Size(285, 20);

this._textBoxText.TabIndex = 20;

this._textBoxText.Text = "";

//

// label2

//

this.label2.Anchor = ((System.Windows.Forms.AnchorStyles)((System.Windows.Forms.AnchorStyles.Bottom | System.Windows.Forms.AnchorStyles.Left)));

this.label2.Location = new System.Drawing.Point(10, 155);

this.label2.Name = "label2";

this.label2.Size = new System.Drawing.Size(55, 20);

this.label2.TabIndex = 16;

this.label2.Text = "Class:";

//

// SpyWindow

//

this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);

this.ClientSize = new System.Drawing.Size(362, 274);

this.Controls.Add(this._pictureBox);

this.Controls.Add(this.label7);

this.Controls.Add(this.label6);

this.Controls.Add(this._textBoxRect);

this.Controls.Add(this._textBoxStyle);

this.Controls.Add(this.label5);

this.Controls.Add(this.label4);

this.Controls.Add(this.label3);

this.Controls.Add(this._textBoxHandle);

this.Controls.Add(this._textBoxClass);

this.Controls.Add(this.label1);

this.Controls.Add(this._textBoxText);

this.Controls.Add(this.label2);

this.Controls.Add(this._buttonCancel);

this.Controls.Add(this._buttonOK);

this.Controls.Add(this._buttonCapture);

this.FormBorderStyle = System.Windows.Forms.FormBorderStyle.FixedToolWindow;

this.Name = "SpyWindow";

this.StartPosition = System.Windows.Forms.FormStartPosition.CenterParent;

this.Text = "Find Window";

this.ResumeLayout(false);

}

#endregion

/// <summary>

/// Processes window messages sent to the Spy Window

/// </summary>

/// <param name="m"></param>

protected override void WndProc(ref Message m)

{

switch(m.Msg)

{

/*

* stop capturing events as soon as the user releases the left mouse button

* */

case (int)Win32.WindowMessages.WM_LBUTTONUP:

this.CaptureMouse(false);

break;

/*

* handle all the mouse movements

* */

case (int)Win32.WindowMessages.WM_MOUSEMOVE:

this.HandleMouseMovements();

break;

};

base.WndProc (ref m);

}

/// <summary>

/// Processes the mouse down events for the finder tool

/// </summary>

/// <param name="sender"></param>

/// <param name="e"></param>

private void OnFinderToolMouseDown(object sender, MouseEventArgs e)

{

if (e.Button == MouseButtons.Left)

this.CaptureMouse(true);

}

/// <summary>

/// Raises the ImageReadyForDisplay event

/// </summary>

/// <param name="image"></param>

protected virtual void OnImageReadyForDisplay(Image image)

{

try

{

if (this.ImageReadyForDisplay != null)

this.ImageReadyForDisplay(image, false, PictureBoxSizeMode.CenterImage);

}

catch(Exception ex)

{

Debug.WriteLine(ex);

}

}

/// <summary>

/// Returns the caption of a window

/// </summary>

/// <param name="hWnd"></param>

/// <returns></returns>

private string GetWindowText(IntPtr hWnd)

{

StringBuilder sb = new StringBuilder(256);

Win32.GetWindowText(hWnd, sb, 256);

return sb.ToString();

}

/// <summary>

/// Returns the name of a window's class

/// </summary>

/// <param name="hWnd"></param>

/// <returns></returns>

private string GetClassName(IntPtr hWnd)

{

StringBuilder sb = new StringBuilder(256);

Win32.GetClassName(hWnd, sb, 256);

return sb.ToString();

}

/// <summary>

/// Captures or releases the mouse

/// </summary>

/// <param name="captured"></param>

private void CaptureMouse(bool captured)

{

// if we're supposed to capture the window

if (captured)

{

// capture the mouse movements and send them to ourself

Win32.SetCapture(this.Handle);

// set the mouse cursor to our finder cursor

Cursor.Current = _cursorFinder;

// change the image to the finder gone image

_pictureBox.Image = _finderGone;

}

// otherwise we're supposed to release the mouse capture

else

{

// so release it

Win32.ReleaseCapture();

// put the default cursor back

Cursor.Current = _cursorDefault;

// change the image back to the finder at home image

_pictureBox.Image = _finderHome;

// and finally refresh any window that we were highlighting

if (_hPreviousWindow != IntPtr.Zero)

{

WindowHighlighter.Refresh(_hPreviousWindow);

_hPreviousWindow = IntPtr.Zero;

}

}

// save our capturing state

_capturing = captured;

}

/// <summary>

/// Handles all mouse move messages sent to the Spy Window

/// </summary>

private void HandleMouseMovements()

{

// if we're not capturing, then bail out

if (!_capturing)

return;

try

{

// capture the window under the cursor's position

IntPtr hWnd = Win32.WindowFromPoint(Cursor.Position);

// if the window we're over, is not the same as the one before, and we had one before, refresh it

if (_hPreviousWindow != IntPtr.Zero && _hPreviousWindow != hWnd)

WindowHighlighter.Refresh(_hPreviousWindow);

// if we didn't find a window.. that's pretty hard to imagine. lol

if (hWnd == IntPtr.Zero)

{

_textBoxHandle.Text = null;

_textBoxClass.Text = null;

_textBoxText.Text = null;

_textBoxStyle.Text = null;

_textBoxRect.Text = null;

}

else

{

// save the window we're over

_hPreviousWindow = hWnd;

// handle

_textBoxHandle.Text = string.Format("{0}", hWnd.ToInt32().ToString());

// class

_textBoxClass.Text = this.GetClassName(hWnd);

// caption

_textBoxText.Text = this.GetWindowText(hWnd);

Win32.Rect rc = new Win32.Rect();

Win32.GetWindowRect(hWnd, ref rc);

// rect

_textBoxRect.Text = string.Format("[{0} x {1}], ({2},{3})-({4},{5})", rc.right - rc.left, rc.bottom - rc.top, rc.left, rc.top, rc.right, rc.bottom);

// highlight the window

WindowHighlighter.Highlight(hWnd);

}

}

catch(Exception ex)

{

Debug.WriteLine(ex);

}

}

/// <summary>

/// Occurs when the OK button is clicked

/// </summary>

/// <param name="sender"></param>

/// <param name="e"></param>

private void OnButtonOKClicked(object sender, EventArgs e)

{

this.DialogResult = DialogResult.OK;

this.Close();

}

/// <summary>

/// Occurs when the Cancel button is clicked

/// </summary>

/// <param name="sender"></param>

/// <param name="e"></param>

private void OnButtonCancelClicked(object sender, EventArgs e)

{

this.DialogResult = DialogResult.Cancel;

this.Close();

}

/// <summary>

/// Occurs when the user wants to capture the window that we've captured

/// </summary>

/// <param name="sender"></param>

/// <param name="e"></param>

private void OnButtonCaptureClicked(object sender, EventArgs e)

{

try

{

// parse the window handle

int handle = int.Parse(_textBoxHandle.Text);

// capture that window

Image image = ScreenCapturing.GetWindowCaptureAsBitmap(handle);

// fire our image read event, which the main window will display for us

this.OnImageReadyForDisplay(image);

}

catch(Exception ex)

{

Debug.WriteLine(ex);

}

}

/// <summary>

/// Occurs when the handle textbox changes, to determine if the capture button is enabled

/// </summary>

/// <param name="sender"></param>

/// <param name="e"></param>

private void OnTextBoxHandleTextChanged(object sender, EventArgs e)

{

_buttonCapture.Enabled = (_textBoxHandle.Text != null && _textBoxHandle.Text != string.Empty);

}