GetCustomViewRotationAngle(Int32) Method (ImageViewerBase)
Returns the custom rotation angle for single image in image viewer.
public System.Int32 GetCustomViewRotationAngle(
System.Int32
)
public: System.Int32 GetCustomViewRotationAngle(
System.Int32
)
public:
System.Int32 GetCustomViewRotationAngle(
System.Int32
)
'Declaration
Public Overloads Function GetCustomViewRotationAngle( _
ByVal As System.Int32 _
) As System.Int32
Parameters
- imageIndex
- A zero-based index on image in image viewer.
Return Value
-1 if image does not have the custom rotation angle; 0, 90, 190 or 270 if image has the custom rotation angle.
Target Platforms: .NET9; .NET 8; .NET 7; .NET 6; .NET Framework 4.8, 4.7, 4.6, 4.5, 4.0, 3.5