Prevents the control from drawing until the EndUpdate method is called.
public virtual void BeginUpdate()
Public Overridable Sub BeginUpdate()
public:
virtual void BeginUpdate();
When you want to disable repainting of the RasterPictureBox, call BeginUpdate. When you are ready to resume painting call EndUpdate.
This sample zooms out on the image, keeping it centered. The resulting transform is displayed in the console.
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
}
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