BeginUpdate Method (RasterPictureBox)

Prevents the control from drawing until the EndUpdate method is called.

Syntax

C#
Visual Basic
Objective-C
Java
C++

public virtual void BeginUpdate()

'Declaration
 
Public Overridable Sub BeginUpdate()

'Usage
 
Dim instance As RasterPictureBox
 
instance.BeginUpdate()

public:
virtual void BeginUpdate();

Remarks

When you want to disable repainting of the RasterPictureBox, call BeginUpdate.
When you are ready to resume painting call EndUpdate.

Example

C#
Visual Basic
WinRT C#
WinRT JavaScript
Silverlight C#
Silverlight VB

Copy Code

Imports Leadtools.WinForms
Imports Leadtools
Imports Leadtools.Codecs
Imports Leadtools.Drawing

Public Sub RasterPictureBox_BeginUpdate(ByVal viewer As RasterPictureBox)
    viewer.BeginUpdate() ' suspend painting of the image
    viewer.SizeMode = RasterPictureBoxSizeMode.CenterImage
    viewer.UseDpi = False
    viewer.EndUpdate() ' start painting of the image
End Sub

using Leadtools.WinForms;
using Leadtools;
using Leadtools.Codecs;
using Leadtools.Drawing;

public void RasterPictureBox_BeginUpdate(RasterPictureBox viewer)
{
   viewer.BeginUpdate();  // suspend painting of the image 
   viewer.SizeMode = RasterPictureBoxSizeMode.CenterImage;
   viewer.UseDpi = false;
   viewer.EndUpdate(); // start painting of the image 
}

Requirements

Target Platforms

Reference

RasterPictureBox Class
RasterPictureBox Members