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Form1.vb
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Form1.vb
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Imports Microsoft.VisualBasic
Imports System
Imports System.Drawing
Imports System.Collections
Imports System.ComponentModel
Imports System.Windows.Forms
Imports System.Data
Namespace LoadImage
''' <summary>
''' Summary description for Form1.
''' </summary>
Public Class Form1
Inherits System.Windows.Forms.Form
''' <summary>
''' Required designer variable.
''' </summary>
Private components As System.ComponentModel.Container = Nothing
Public Sub New()
'
' Required for Windows Form Designer support
'
InitializeComponent()
'
' TODO: Add any constructor code after InitializeComponent call
'
End Sub
''' <summary>
''' Clean up any resources being used.
''' </summary>
Protected Overrides Overloads Sub Dispose(ByVal disposing As Boolean)
If disposing Then
If components IsNot Nothing Then
components.Dispose()
End If
End If
MyBase.Dispose(disposing)
End Sub
#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 Sub InitializeComponent()
Me.treeList1 = New DevExpress.XtraTreeList.TreeList()
Me.treeListColumn1 = New DevExpress.XtraTreeList.Columns.TreeListColumn()
Me.repositoryItemPictureEdit1 = New DevExpress.XtraEditors.Repository.RepositoryItemPictureEdit()
CType(Me.treeList1, System.ComponentModel.ISupportInitialize).BeginInit()
CType(Me.repositoryItemPictureEdit1, System.ComponentModel.ISupportInitialize).BeginInit()
Me.SuspendLayout()
'
' treeList1
'
Me.treeList1.Columns.AddRange(New DevExpress.XtraTreeList.Columns.TreeListColumn() { Me.treeListColumn1})
Me.treeList1.Dock = System.Windows.Forms.DockStyle.Fill
Me.treeList1.Location = New System.Drawing.Point(0, 0)
Me.treeList1.Name = "treeList1"
Me.treeList1.OptionsBehavior.AutoNodeHeight = False
Me.treeList1.OptionsBehavior.KeepSelectedOnClick = False
Me.treeList1.OptionsBehavior.ShowToolTips = False
Me.treeList1.OptionsBehavior.SmartMouseHover = False
Me.treeList1.RepositoryItems.AddRange(New DevExpress.XtraEditors.Repository.RepositoryItem() { Me.repositoryItemPictureEdit1})
Me.treeList1.RowHeight = 50
Me.treeList1.Size = New System.Drawing.Size(354, 283)
Me.treeList1.TabIndex = 0
'
' treeListColumn1
'
Me.treeListColumn1.Caption = "treeListColumn1"
Me.treeListColumn1.ColumnEdit = Me.repositoryItemPictureEdit1
Me.treeListColumn1.FieldName = "treeListColumn1"
Me.treeListColumn1.Name = "treeListColumn1"
Me.treeListColumn1.Visible = True
Me.treeListColumn1.VisibleIndex = 0
'
' repositoryItemPictureEdit1
'
Me.repositoryItemPictureEdit1.BorderStyle = DevExpress.XtraEditors.Controls.BorderStyles.NoBorder
Me.repositoryItemPictureEdit1.Name = "repositoryItemPictureEdit1"
Me.repositoryItemPictureEdit1.SizeMode = DevExpress.XtraEditors.Controls.PictureSizeMode.Zoom
'
' Form1
'
Me.AutoScaleBaseSize = New System.Drawing.Size(5, 13)
Me.ClientSize = New System.Drawing.Size(354, 283)
Me.Controls.Add(Me.treeList1)
Me.Name = "Form1"
Me.Text = "How to Load an Image in a TreeList Cell"
' Me.Load += New System.EventHandler(Me.Form1_Load);
CType(Me.treeList1, System.ComponentModel.ISupportInitialize).EndInit()
CType(Me.repositoryItemPictureEdit1, System.ComponentModel.ISupportInitialize).EndInit()
Me.ResumeLayout(False)
End Sub
#End Region
''' <summary>
''' The main entry point for the application.
''' </summary>
<STAThread> _
Shared Sub Main()
Application.Run(New Form1())
End Sub
Private treeList1 As DevExpress.XtraTreeList.TreeList
Private repositoryItemPictureEdit1 As DevExpress.XtraEditors.Repository.RepositoryItemPictureEdit
Private treeListColumn1 As DevExpress.XtraTreeList.Columns.TreeListColumn
Private ImageFileName As String = "gdn.jpg"
Private Sub Form1_Load(ByVal sender As Object, ByVal e As System.EventArgs) Handles MyBase.Load
Dim node As DevExpress.XtraTreeList.Nodes.TreeListNode
Dim image As Image
' load image
If (Not System.IO.File.Exists(ImageFileName)) Then
Throw New Exception("Image file not found: " & ImageFileName)
End If
image = Image.FromFile(ImageFileName)
' the first node
node = treeList1.AppendNode(Nothing, -1)
node.SetValue(0, image) ' use SetValue method
' the second node
treeList1.AppendNode(New Object() {image}, node)
node.Expanded = True
End Sub
End Class
End Namespace