C#
VB
C++
Cancels the operation currently being performed in this AnnAutomation
public virtual void Cancel()
Public Overridable Sub Cancel()
public:
virtual void Cancel();
Cancels any operations currently being performed in this AnnAutomation. An operation can be:
This example cancels the drawing of new objects when the mouse is over a certain area on the viewer.
using Leadtools;
using Leadtools.Annotations;
using Leadtools.WinForms;
using Leadtools.Drawing;
public void AnnAutomation_Cancel()
{
// subclass to the viewer mouse move event
// _automation is an AnnAutomation object
_automation.Viewer.MouseMove += new MouseEventHandler(viewer_MouseMove);
}
private void viewer_MouseMove(object sender, MouseEventArgs e)
{
// check if we have a draw designer currently selected
if (_automation.CurrentDesigner != null && _automation.CurrentDesigner is AnnDrawDesigner)
{
// check if we are over the rectangle 100,100 to 200,200
Rectangle rc = new Rectangle(100, 100, 100, 100);
if (rc.Contains(e.X, e.Y))
_automation.Cancel();
}
}
Imports Leadtools
Imports Leadtools.Annotations
Imports Leadtools.WinForms
Imports Leadtools.Drawing
Public Sub AnnAutomation_Cancel()
' subclass to the viewer mouse move event
' _automation is an AnnAutomation object
AddHandler _automation.Viewer.MouseMove, AddressOf viewer_MouseMove
End Sub
Private Sub viewer_MouseMove(ByVal sender As Object, ByVal e As MouseEventArgs)
' check if we have a draw designer currently selected
If Not _automation.CurrentDesigner Is Nothing AndAlso TypeOf _automation.CurrentDesigner Is AnnDrawDesigner Then
' check if we are over the rectangle 100,100 to 200,200
Dim rc As Rectangle = New Rectangle(100, 100, 100, 100)
If rc.Contains(e.X, e.Y) Then
_automation.Cancel()
End If
End If
End Sub
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