Public Function ToDib( _
   ByVal type As RasterConvertToDibType _
) As IntPtr

Visual Basic (Usage)	Copy Code
Dim instance As RasterImage Dim type As RasterConvertToDibType Dim value As IntPtr   value = instance.ToDib(type)

public IntPtr ToDib( 
   RasterConvertToDibType type
)

public: IntPtr ToDib( 
   RasterConvertToDibType type
) 

public:
IntPtr ToDib( 
   RasterConvertToDibType type
) 

Parameters

type

Type of DIB to create.

Return Value

When this method is completed, there are two copies of the image in memory: the DIB and the original RasterImage. Freeing one will not affect the other.

This methods allocates a DIB bitmap and copies the RasterImage to the DIB.

A DIB consists of one of the following:

• a BITMAPFILEHEADER
• a BITMAPV4HEADER(introduced in Windows 95 and Windows NT 4.0)
• or a BITMAPV5HEADER (introduced in Windows 2000 and Windows 98)

followed by a color table and then the bitmap data. The resulting DIB type is determined by the value of the type parameter.

The orientation of the image and color order will depend on how the image was loaded into the RasterImage.

When you no longer need the DIB, you can free it using the Windows GlobalFree function or FreeHGlobal.

For more information on DDBs and DIBs, refer to Introduction.

This function does not support signed images.

Target Platforms: Microsoft .NET Framework 2.0, Windows 98, Windows NT 4.0, Windows Millennium Edition, Windows 2000, Windows XP Home Edition, Windows XP Professional, Windows Server 2003 family

Reference