Initializes a new RasterViewerPointEventArgs with default values.
public RasterViewerPointEventArgs()
public:
RasterViewerPointEventArgs();
public:
RasterViewerPointEventArgs()
using Leadtools.WinForms;
using Leadtools;
using Leadtools.Codecs;
using Leadtools.ImageProcessing.Color;
using Leadtools.Drawing;
private void viewer_InteractiveFloater(object sender, RasterViewerPointEventArgs e)
{
// show information about the user interaction
RasterImageViewer viewer = sender as RasterImageViewer;
Console.WriteLine("Status: {0}, Canceled: {1}, Point: {2}, Floater Position: {3}", e.Status, e.Cancel, e.Point, viewer.FloaterPosition);
}
public void RasterImageViewer_FloaterPosition(RasterImageViewer viewer)
{
// hook into the viewer InteractiveFloater event to get updated whenever the user moves the floater.
viewer.InteractiveFloater += new EventHandler<RasterViewerPointEventArgs>(viewer_InteractiveFloater);
// add a floater the viewer and start the floater interactive mode
// we are going to create the floater image manually as a red ellipse with a region.
RasterColor[] palette = new RasterColor[0];
RasterImage floaterImage = new RasterImage(
RasterMemoryFlags.Conventional,
200,
200,
24,
RasterByteOrder.Bgr,
RasterViewPerspective.TopLeft,
palette,
IntPtr.Zero,
0
);
using (RasterImageGdiPlusGraphicsContainer container = new RasterImageGdiPlusGraphicsContainer(floaterImage))
{
container.Graphics.FillRectangle(Brushes.Black, 0, 0, floaterImage.ImageWidth, floaterImage.ImageHeight);
container.Graphics.FillEllipse(Brushes.Red, 0, 0, floaterImage.ImageWidth, floaterImage.ImageHeight);
}
floaterImage.AddColorToRegion(RasterColor.FromKnownColor(RasterKnownColor.Red), RasterRegionCombineMode.Set);
viewer.FloaterImage = floaterImage;
viewer.FloaterVisible = true;
viewer.FloaterPosition = new Point(100, 100);
viewer.InteractiveMode = RasterViewerInteractiveMode.Floater;
MessageBox.Show("Click and move the floater");
}
RasterViewerPointEventArgs Class
RasterViewerPointEventArgs Members
Help Collections
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