Public Function HitTest( _
   ByVal x As Integer, _
   ByVal y As Integer _
) As RasterImageListItem

Visual Basic (Usage)	Copy Code
Dim instance As RasterImageList Dim x As Integer Dim y As Integer Dim value As RasterImageListItem   value = instance.HitTest(x, y)

public RasterImageListItem HitTest( 
   int x,
   int y
)

public:
RasterImageListItem^ HitTest( 
   int x,
   int y
) 

Parameters

x

The horizontal position of the coordinate in client coordinates.

y

The vertical position of the coordinate in client coordinates.

Return Value

This example will create and populate a RasterImageList control, and then performs hittesting when the user right clicks on the control and shows the item information.

Visual Basic

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Private Class MyForm4 : Inherits Form     Private imageList As RasterImageList     Private codecs As RasterCodecs     Public Sub New(ByVal title As String)         Text = title         ' Set the size of the form         Size = New Size(400, 200)         ' Create a new RasterImageList control         imageList = New RasterImageList()         imageList.Dock = DockStyle.Fill         imageList.SelectionMode = RasterImageListSelectionMode.Single         imageList.Size = Size         Controls.Add(imageList)         imageList.BringToFront()         RasterCodecs.Startup()         codecs = New RasterCodecs()         ' Create three items         Dim imagesPath As String = LeadtoolsExamples.Common.ImagesPath.Path         For i As Integer = 0 To 2             ' Load the image             Dim index As Integer = i + 1             Dim imageFileName As String = imagesPath & "Image" & index.ToString() & ".cmp"             Dim image As RasterImage = codecs.Load(imageFileName, 0, CodecsLoadByteOrder.BgrOrGray, 1, 1)             Dim item As RasterImageListItem = New RasterImageListItem(image, 1, "Item" & index.ToString())             ' Select the first item             If i = 0 Then                 item.Selected = True             End If             ' Add the item to the image list             imageList.Items.Add(item)         Next i         RasterCodecs.Shutdown()         ' Add a handler to the MouseDown event         AddHandler imageList.MouseDown, AddressOf rasterImageList_MouseDown         ' Add the RasterImageList to the control collection.         Controls.Add(imageList)     End Sub     Private Sub rasterImageList_MouseDown(ByVal sender As Object, ByVal e As MouseEventArgs)         ' Check for right button clicks         If e.Button = Windows.Forms.MouseButtons.Right Then             ' Check if any item is under the cursor poisition             Dim imageList As RasterImageList = CType(IIf(TypeOf sender Is RasterImageList, sender, Nothing), RasterImageList)             Dim item As RasterImageListItem = imageList.HitTest(e.X, e.Y)             If Not item Is Nothing Then                 ' Yes, show the item text in a message box                 MessageBox.Show(Me, item.Text)             End If         End If     End Sub End Class Public Sub RasterImageList_HitTest(ByVal title As String)     Dim form As MyForm4 = New MyForm4(title)     form.ShowDialog() End Sub

C#

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class MyForm4 : Form  {     RasterImageList imageList;     RasterCodecs codecs;     public MyForm4(string title)     {        Text = title;          // Set the size of the form        Size = new Size(400, 200);          // Create a new RasterImageList control        imageList = new RasterImageList();        imageList.Dock = DockStyle.Fill;        imageList.SelectionMode = RasterImageListSelectionMode.Single;        imageList.Size = Size;        Controls.Add(imageList);        imageList.BringToFront();          RasterCodecs.Startup();        codecs = new RasterCodecs();          // Create three items        string imagesPath = LeadtoolsExamples.Common.ImagesPath.Path;          for(int i = 0; i < 3; i++)        {           // Load the image           int index = i + 1;           string imageFileName = imagesPath + "Image" + index.ToString() + ".cmp";           RasterImage image = codecs.Load(imageFileName, 0, CodecsLoadByteOrder.BgrOrGray, 1, 1);           RasterImageListItem item = new RasterImageListItem(image, 1, "Item" + index.ToString());             // Select the first item           if(i == 0)              item.Selected = true;             // Add the item to the image list           imageList.Items.Add(item);        }          RasterCodecs.Shutdown();          // Add a handler to the MouseDown event        imageList.MouseDown += new MouseEventHandler(rasterImageList_MouseDown);          // Add the RasterImageList to the control collection.        Controls.Add(imageList);     }       private void rasterImageList_MouseDown(object sender, MouseEventArgs e)     {        // Check for right button clicks        if(e.Button == MouseButtons.Right)        {           // Check if any item is under the cursor poisition           RasterImageList imageList = sender as RasterImageList;           RasterImageListItem item = imageList.HitTest(e.X, e.Y);           if(item != null)           {              // Yes, show the item text in a message box              MessageBox.Show(this, item.Text);           }        }     }  }    public void RasterImageList_HitTest(string title)  {     MyForm4 form = new MyForm4(title);     form.ShowDialog();  }

Target Platforms: Microsoft .NET Framework 2.0, Windows 98, Windows NT 4.0, Windows Millennium Edition, Windows 2000, Windows XP Home Edition, Windows XP Professional, Windows Server 2003 family

Reference