'We assume that the GdViewer1 control has been properly integrated.
Sub GdViewer1_MouseClick(ByVal sender As Object, ByVal e As MouseEventArgs)
Dim message As String = "This point is inside the document area."
Dim ViewerLeft As Integer = e.X, ViewerTop As Integer = e.Y
Dim DocumentLeft As Integer = 0, DocumentTop As Integer = 0
GdViewer1.CoordViewerToDocument(ViewerLeft, ViewerTop, DocumentLeft, DocumentTop)
If DocumentLeft < 0 OrElse DocumentTop < 0 OrElse DocumentLeft >= GdViewer1.PageWidth OrElse DocumentTop >= GdViewer1.PageHeight Then
message = "This point is outside the document area."
End If
MessageBox.Show(message, "GdViewer.PageHeight")
End Sub
//We assume that the GdViewer1 control has been properly integrated.
void GdViewer1_MouseClick(object sender, MouseEventArgs e)
{
string message = "This point is inside the document area.";
int ViewerLeft = e.X, ViewerTop = e.Y;
int DocumentLeft = 0, DocumentTop = 0;
GdViewer1.CoordViewerToDocument(ViewerLeft, ViewerTop, ref DocumentLeft, ref DocumentTop);
if (DocumentLeft < 0 || DocumentTop < 0 || DocumentLeft >= GdViewer1.PageWidth || DocumentTop >= GdViewer1.PageHeight)
{
message = "This point is outside the document area.";
}
MessageBox.Show(message, "GdViewer.PageHeight");
}