How can I generate a thumbnail image of my Diagram?

1 min read

Generate thumbnail image in Diagram

If you want to display a thumbnail image of the Diagram:

a) Generate a Bitmap image.

b) Use the GetThumbnailImage method of the image class to generate a thumbnail and set it to be the image of the picture box in which you want to display the thumbnail as show below:

[C#]

public bool ThumbnailCallback() { return false; }

//Generate Thumbnail and set it to be image of the PictureBox

Image.GetThumbnailImageAbort myCallback = new Image.GetThumbnailImageAbort(ThumbnailCallback); this.pictureBox1.Image = (Bitmap) diagramimage.GetThumbnailImage(150,75,myCallback, IntPtr.Zero); GetThumbnailImage Method

[VB.NET]

Public Function ThumbnailCallback() As Boolean Return False End Function 'Generate Thumbnail and set it to be image of the PictureBox Dim myCallback As Image.GetThumbnailImageAbort = New Image.GetThumbnailImageAbort(ThumbnailCallback) Me.pictureBox1.Image = CType(diagramimage.GetThumbnailImage(150,75,myCallback, IntPtr.Zero), Bitmap)

Did you find this information helpful?

Yes

Comments (0)