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AutoDeselectItems Property (RasterImageList)

Summary

Enables or disables de-selecting items when mouse button is clicked.

Syntax

C++

[DescriptionAttribute("Enables or disables de-selecting items when mouse button is clicked when selection mode is set to multi.")] 
[CategoryAttribute("Behavior")] 
public bool AutoDeselectItems {get; set;}

<DescriptionAttribute("Enables or disables de-selecting items when mouse button is clicked when selection mode is set to multi.")> 
<CategoryAttribute("Behavior")> 
Public Property AutoDeselectItems As Boolean

[DescriptionAttribute("Enables or disables de-selecting items when mouse button is clicked when selection mode is set to multi.")] 
[CategoryAttribute("Behavior")] 
public: 
property bool AutoDeselectItems { 
   bool get(); 
   void set (    bool ); 
}

Property Value

true to enable de-selecting; false otherwise.

Remarks

This property is used only if SelectionMode is set to RasterImageListSelectionMode.Multi.

Example

This example shows how to select (rubber band) and deselect multiple items with a mouse button. Run the sample, and select two or more items. Then click the mouse button to deselect all items.

Imports Leadtools.WinForms 
Imports Leadtools 
Imports Leadtools.Codecs 
Imports Leadtools.Drawing 
 
Private Class MyForm6 : Inherits Form 
   Public imageList As RasterImageList 
   Private codecs As RasterCodecs 
   Public Sub New() 
      ' Set the size of the form 
      Size = New Size(500, 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() 
 
      codecs = New RasterCodecs() 
 
      ' Create three items 
      Dim imagesPath As String = LEAD_VARS.ImagesDir 
 
      For i As Integer = 0 To 2 
         ' Load the image 
         Dim index As Integer = i + 1 
         Dim imageFileName As String = Path.Combine(imagesPath, "ImageProcessingDemo\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 
 
 
      ' Add the RasterImageList to the control collection. 
      Controls.Add(imageList) 
   End Sub 
End Class 
 
Public Sub RasterImageList_AutoDeselectItems() 
   Dim form As MyForm6 = New MyForm6() 
 
   ' Enable rubber band multi select 
   form.imageList.EnableRubberBandSelection = True 
 
   ' Enable the AutoDeselectItems 
   form.imageList.AutoDeselectItems = True 
   form.imageList.SelectionMode = RasterImageListSelectionMode.Multi 
 
   form.Text = "Drag mouse to select two images.  Then single-click to de-select." 
 
   form.ShowDialog() 
End Sub 
 
Public NotInheritable Class LEAD_VARS 
Public Const ImagesDir As String = "C:\Users\Public\Documents\LEADTOOLS Images" 
End Class

using Leadtools.WinForms; 
using Leadtools; 
using Leadtools.Codecs; 
using Leadtools.Drawing; 
 
class MyForm6 : Form 
{ 
   public RasterImageList imageList; 
   RasterCodecs codecs; 
   public MyForm6() 
   { 
      // Set the size of the form 
      Size = new Size(500, 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(); 
 
      codecs = new RasterCodecs(); 
 
      // Create three items 
      string imagesPath = LEAD_VARS.ImagesDir; 
 
      for(int i = 0; i < 3; i++) 
      { 
         // Load the image 
         int index = i + 1; 
         string imageFileName = Path.Combine(imagesPath, @"ImageProcessingDemo\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); 
      } 
 
 
      // Add the RasterImageList to the control collection. 
      Controls.Add(imageList); 
   } 
} 
 
public void RasterImageList_AutoDeselectItems() 
{ 
   MyForm6 form = new MyForm6(); 
 
   // Enable rubber band multi select 
   form.imageList.EnableRubberBandSelection = true; 
 
   // Enable the AutoDeselectItems 
   form.imageList.AutoDeselectItems = true; 
   form.imageList.SelectionMode = RasterImageListSelectionMode.Multi; 
 
   form.Text = "Drag mouse to select two images.  Then single-click to de-select."; 
 
   form.ShowDialog(); 
} 
 
static class LEAD_VARS 
{ 
public const string ImagesDir = @"C:\Users\Public\Documents\LEADTOOLS Images"; 
}