GdPicture.NET Reference Guide
RotateView Method (GdViewer)
Example 





GdPicture14.WPF Namespace > GdViewer Class : RotateView Method
A member of the GdPictureRotateFlipType enumeration. Defines the required rotation and flipping.
Rotates clockwise or flips the global view of this GdViewer control. The rotation angle can be set to 0, 90, 180 or 270 degrees clockwise and you are allowed to specify the axis used to flip the view.
Syntax
'Declaration
 
Public Sub RotateView( _
   ByVal Rotation As GdPictureRotateFlipType _
) 
public void RotateView( 
   GdPictureRotateFlipType Rotation
)
public procedure RotateView( 
    Rotation: GdPictureRotateFlipType
); 
public function RotateView( 
   Rotation : GdPictureRotateFlipType
);
public: void RotateView( 
   GdPictureRotateFlipType Rotation
) 
public:
void RotateView( 
   GdPictureRotateFlipType Rotation
) 

Parameters

Rotation
A member of the GdPictureRotateFlipType enumeration. Defines the required rotation and flipping.
Remarks
You can regularly apply the GetStat method to determine if this method has been successful.
Example
How to rotate the viewer's global view upside down.
'We assume that the GdViewer1 control has been properly integrated.
If GdViewer1.DisplayFromFile("") = GdPictureStatus.OK Then
    Dim rotation As GdPictureRotateFlipType = GdPictureRotateFlipType.Rotate180FlipNone
    GdViewer1.RotateView(rotation)
    MessageBox.Show("The current view is rotated: " + GdViewer1.ViewRotation.ToString(), "GdViewer.RotateView")
Else
    MessageBox.Show("The file can't be loaded. Status: " + GdViewer1.GetStat().ToString(), "GdViewer.RotateView")
End If
//We assume that the GdViewer1 control has been properly integrated.
if (GdViewer1.DisplayFromFile("") == GdPictureStatus.OK)
{
    GdPictureRotateFlipType rotation = GdPictureRotateFlipType.GdPictureRotate180FlipNone;
    GdViewer1.RotateView(rotation);
    MessageBox.Show("The current view is rotated: " + GdViewer1.ViewRotation.ToString(), "GdViewer.RotateView")
}
else
    MessageBox.Show("The file can't be loaded. Status: " + GdViewer1.GetStat().ToString(), "GdViewer.RotateView");
See Also

Reference

GdViewer Class
GdViewer Members
RotatePage Method