The 0-based index of the required annotation within the current page of the displayed document. It must be a value from 0 to GetAnnotationCount-1.
Example





In This Topic
GdPicture14.WPF Namespace / GdViewer Class / DeleteAnnotation Method

DeleteAnnotation Method (GdViewer)

In This Topic
Removes a required GdPicture/XMP annotation object specified by its index related to the current page of the document displayed in the GdViewer control.

Be aware that this method only handles GdPicture/XMP annotations.

Syntax
'Declaration
 

Public Sub DeleteAnnotation( _
   ByVal AnnotationIdx As Integer _
) 
public void DeleteAnnotation( 
   int AnnotationIdx
)
public procedure DeleteAnnotation( 
    AnnotationIdx: Integer
); 
public function DeleteAnnotation( 
   AnnotationIdx : int
);
public: void DeleteAnnotation( 
   int AnnotationIdx
) 
public:
void DeleteAnnotation( 
   int AnnotationIdx
)

Parameters

AnnotationIdx
The 0-based index of the required annotation within the current page of the displayed document. It must be a value from 0 to GetAnnotationCount-1.
Remarks
It is recommend to use the GetStat method to identify the specific reason for the method's failure, if any.

Be aware that annotations are always treated relative to the currently displayed page.

Example
How to delete all GdPicture/XMP annotations contained on the current page. 
'We assume that the GdViewer1 control has been properly integrated
'and your document has been properly displayed as well.
Dim annotCount As Integer = GdViewer1.GetAnnotationCount()
For i As Integer = 1 To annotCount
    GdViewer1.DeleteAnnotation(0)
    If GdViewer1.GetStat() <> GdPictureStatus.OK Then Exit For
Next
MessageBox.Show("Done!  Status: " + GdViewer1.GetStat().ToString(), "GdViewer.DeleteAnnotation")
//We assume that the GdViewer1 control has been properly integrated
//and your document has been properly displayed as well.
int annotCount = GdViewer1.GetAnnotationCount();
for (int i = 1; i <= annotCount; i++)
{
    GdViewer1.DeleteAnnotation(0);
    if (GdViewer1.GetStat() != GdPictureStatus.OK)
        break;
}
MessageBox.Show("Done!  Status: " + GdViewer1.GetStat().ToString(), "GdViewer.DeleteAnnotation");
See Also

Reference

GdViewer Class
GdViewer Members
GetAnnotationCount Method
GetSelectedAnnotationIdx Method
SelectAnnotation Method
GetAnnotationManager Method