Handle NodeModifying, and if GetNodeAt(mousePosition) returns a container with the same id, set e.Cancel = true.

I hope that helps,
Stoyan

I commented those texture brush image lines in the pervious post and also the images are not very clear seen it looks like dark blue area in the image.

here am pasting the 3lines of code without comment.


Dim img As Image = frmConfirm_EMP_INS_Allocation.imgContainers.Images(imageIndex)
Dim fBrush As New System.Drawing.TextureBrush(img)
Dim fillBrush As Brush = IIf(options.EnableBackgroundImage, fBrush, Brush.CreateGdiBrush(brushBounds, -brushBounds.X, -brushBounds.Y))

Thank you.

Actually what i need to do is i have container controls in my diagram view some of the the container ill be having image attached as a bacground, now as you said i draw the image to graphics directly but the broblem is if the user resize the container the image is not resizing to the container size it remains the same size.
Secondly some containers i dont need to attache images where as i use rounded corner with some gradient coloring within the container. for these two type of Containers now am using two different user classes that inherits the container class.

Could you pls help to resolve the class using image that is not resizing to its container size.

Thanks

Yes i am using Graphics.DrawImage method here is the entire class

Imports System.Drawing
Imports MindFusion
Imports MindFusion.Diagramming

Imports Point = System.Drawing.PointF
Imports Rect = System.Drawing.RectangleF
Imports System.Drawing.Drawing2D

Public Class TrashAdapter
Inherits ContainerNode

Public imageIndex As Integer = -1

Public Overloads Overrides Sub Draw(ByVal graphics As MindFusion.Drawing.IGraphics, ByVal options As RenderOptions)
If Not ShouldRender() Then
Exit Sub
End If

Dim brushBounds As Rect = GetBounds()
Dim img As Image = frmFinalResourceAllocation.imgContainers.Images(imageIndex)

Dim borderPen As Pen = Pen.CreateGdiPen()

' draw the container frame
Dim rect As Rect = GetBounds()
Dim roundRect As GraphicsPath = InternalUtils.GetRoundRect(rect.X, rect.Y, rect.Width, rect.Height, 3)
graphics.DrawImage(img, New PointF(rect.X - 5, rect.Y - 10))
graphics.DrawPath(borderPen, roundRect)
roundRect.Dispose()

If CaptionHeight > 0 Then
' draw the caption
If options.Scale > 1 AndAlso Caption.Length > 0 AndAlso options.EnableText Then
' create a hyperlink
Dim setLink As Boolean = Not String.IsNullOrEmpty(HyperLink) AndAlso options.HyperLinkStyle <> HyperLinkStyle.None
If setLink Then
graphics.BeginHyperLink(HyperLink, options.HyperLinkTarget)
End If

' draw the caption text
Dim captionBrush As Brush = New SolidBrush(CaptionColor)
graphics.DrawString(Caption, Font, captionBrush, GetCaptionRect(), CaptionFormat)
captionBrush.Dispose()

' close the hyperlink tag
If setLink Then
graphics.EndHyperLink()
End If
End If

' Draw the caption divider line
If rect.Top + CaptionHeight < rect.Bottom Then
graphics.DrawLine(borderPen, New Point(rect.Left, rect.Top + CaptionHeight), New Point(rect.Right, rect.Top + CaptionHeight))
End If
End If

' Draw the fold button
DrawManipulators(graphics, False)

' Cleanup
borderPen.Dispose()
End Sub

Public Overloads Overrides Sub DrawShadow(ByVal graphics As MindFusion.Drawing.IGraphics, ByVal options As RenderOptions)
If Not ShouldRender() Then
Exit Sub
End If

Dim fillBrush As Brush = New SolidBrush(ShadowColor)

' draw the container frame
Dim rect As Rect = GetBounds()

Dim roundRect As GraphicsPath = InternalUtils.GetRoundRect(rect.X, rect.Y, rect.Width, rect.Height, 3)
graphics.FillPath(fillBrush, roundRect)

roundRect.Dispose()
fillBrush.Dispose()
End Sub

''' <summary>
''' Calculates the caption rectangle, excluding the fold
''' button if the container is foldable.
''' </summary>
'''
Private Function GetCaptionRect() As Rect
Dim rect As Rect = Utilities.NormalizeRect(Bounds)
rect.Height = CaptionHeight
If Foldable Then
rect.Width -= CaptionHeight
End If

Return rect
End Function

End Class

Thanks it perfectly working and i have another problem that the image i am using is not able to see as its original color, what i can see is a darkblue(navy) color filled in the image.
what should i do to see the actual image color.
Thanks

yes i sent now

Try setting the FollowMasterContainment property on all subordinate items to true.

Regards,
Meppy