Gets or sets a value indicating whether the interactive mode should be canceled.
public bool Cancel {get; set;}
true if the interactive mode should be canceled; otherwise, false.
using Leadtools.WinForms;
using Leadtools;
using Leadtools.Codecs;
using Leadtools.ImageProcessing.Color;
using Leadtools.Drawing;
private void MyRasterViewerRectangleEventHandler(object sender, RasterViewerRectangleEventArgs e)
{
RasterImageViewer viewer = sender as RasterImageViewer;
RasterViewerRectangleEventArgs ee = new RasterViewerRectangleEventArgs(e.Status, e.Rectangle);
if (((e.Rectangle.Left > e.Rectangle.Right) || (e.Rectangle.Top > e.Rectangle.Bottom)) && e.Status == RasterViewerInteractiveStatus.End)
{
e.Cancel = true;
viewer.Invalidate();
if (!viewer.IsInteractiveModeBusy)
{
MessageBox.Show("Interactive mode (Rectangular region) cancelled");
viewer.InteractiveMode = RasterViewerInteractiveMode.None;
}
}
Console.WriteLine(@"" + e.Rectangle.Left + ", " + e.Rectangle.Top + ", " + e.Rectangle.Right + ", " + e.Rectangle.Bottom);
}
public void RasterImageViewer_IsInteractiveModeBusy(RasterImageViewer viewer)
{
viewer.InteractiveRegionRectangle += new EventHandler<RasterViewerRectangleEventArgs>(MyRasterViewerRectangleEventHandler);
viewer.InteractiveMode = RasterViewerInteractiveMode.Region;
viewer.InteractiveRegionType = RasterViewerInteractiveRegionType.Rectangle;
MessageBox.Show("Interactive mode set to draw a rectangular region.\nIf mouse is dragged up or to the left, interactive mode is cancelled");
}
RasterViewerLineEventArgs Class
RasterViewerLineEventArgs Members
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