Represents a Leadtools RasterImagePanViewer control for displaying a scaled view of an image.
[ToolboxItemAttribute(false)]
public class RasterImagePanViewer : UserControl
[ToolboxItemAttribute(ToolboxItemType=, ToolboxItemTypeName="")]
public ref class RasterImagePanViewer : public System.Windows.Forms.UserControl, System.ComponentModel.IComponent, System.ComponentModel.ISynchronizeInvoke, System.IDisposable, System.Windows.Forms.IBindableComponent, System.Windows.Forms.IContainerControl, System.Windows.Forms.IDropTarget, System.Windows.Forms.IWin32Window
public:
[ToolboxItemAttribute(false)]
ref class RasterImagePanViewer : UserControl
The RasterImagePanViewer is used to display a scaled view of an image, which is also being displayed in the RasterImageViewer control at a size that would require scrolling. The RasterImagePanViewer will maintain the images aspect ratio. In the RasterImagePanViewer, a colored Pan rect will be displayed to indicate the portion of the image currently being displayed in the RasterImageViewer associated with this PanViewer control. When a user clicks inside the RasterImagePanViewer and moves the mouse, while holding down the button, the Pan rect will move with the mouse pointer. Set the Viewer property to a RasterImageViewer object to be panned.
using Leadtools.WinForms;
using Leadtools;
using Leadtools.Codecs;
class MyForm1 : Form
{
public RasterImagePanViewer panViewer;
public RasterImageViewer viewer;
public MyForm1(string title)
{
Text = title;
// Set the size of the form
Size = new Size(400, 400);
// Create the viewer
viewer = new RasterImageViewer();
viewer.Size = new Size(Size.Width, Size.Height / 2);
viewer.Dock = DockStyle.Fill;
// Load an image
RasterCodecs codecs = new RasterCodecs();
viewer.Image = codecs.Load(Path.Combine(LEAD_VARS.ImagesDir, "image1.cmp"));
panViewer = new RasterImagePanViewer();
panViewer.Dock = DockStyle.Top;
panViewer.BackColor = Color.Bisque;
panViewer.ClipCursor = true;
panViewer.BorderStyle = BorderStyle.Fixed3D;
panViewer.BringToFront();
panViewer.Pan += new EventHandler<RasterImagePanViewerEventArgs>(panViewer_Pan);
panViewer.RectangleColor = Color.Blue;
panViewer.ImageColor = Color.FromArgb(128, 0, 0, 0);
panViewer.Cursor = Cursors.Hand;
panViewer.Viewer = viewer;
Controls.Add(panViewer);
Controls.Add(viewer);
viewer.BringToFront();
}
private void panViewer_Pan(object sender, RasterImagePanViewerEventArgs e)
{
switch (e.Status)
{
case RasterImagePanViewerStatus.Begin:
case RasterImagePanViewerStatus.Panning:
case RasterImagePanViewerStatus.End:
{
Text = "Pan Status = " + e.Status.ToString() + " Rectangle =" + e.Rectangle.ToString() + " Cancel = " + e.Cancel.ToString();
Console.WriteLine(Text);
break;
}
}
}
}
public void RasterImagePanViewer_Viewer()
{
MyForm1 form = new MyForm1("Test_RasterImagePanViewer_Viewer");
form.ShowDialog();
}
static class LEAD_VARS
{
public const string ImagesDir = @"C:\LEADTOOLS22\Resources\Images";
}
Help Collections
Raster .NET | C API | C++ Class Library | HTML5 JavaScript
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Multimedia
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Supported Platforms
.NET, Java, Android, and iOS/macOS Assemblies
Imaging, Medical, and Document
C API/C++ Class Libraries
Imaging, Medical, and Document
HTML5 JavaScript Libraries
Imaging, Medical, and Document
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