BeginUpdate Method (RasterPictureBox)

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

Syntax

Visual Basic
C#
WinRT C#
WinRT JavaScript
C++

public virtual void BeginUpdate()

'Declaration
 
Public Overridable Sub BeginUpdate()

'Usage
 
Dim instance As RasterPictureBox
 
instance.BeginUpdate()

public virtual void BeginUpdate()

 function Leadtools.WinForms.RasterPictureBox.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

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

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

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: Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

Reference

RasterPictureBox Class
RasterPictureBox Members