RotateView Method (GdViewer)
In This Topic
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
Parameters
- Rotation
- A member of the GdPictureRotateFlipType enumeration. Defines the required rotation and flipping.
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");
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