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ChangeFromHBitmap(IntPtr,IntPtr,IntPtr) Method

Summary

Changes a Windows Device-Dependent Bitmap (DDB) to a LEADTOOLS Leadtools.RasterImage object.

Syntax

C#
VB
C++
public static RasterImage ChangeFromHBitmap( 
   IntPtr hdc, 
   IntPtr hbitmap, 
   IntPtr hpalette 
) 
Public Overloads Shared Function ChangeFromHBitmap( _ 
   ByVal hdc As IntPtr, _ 
   ByVal hbitmap As IntPtr, _ 
   ByVal hpalette As IntPtr _ 
) As Leadtools.RasterImage 
public: 
static Leadtools.RasterImage^ ChangeFromHBitmap(  
   IntPtr hdc, 
   IntPtr hbitmap, 
   IntPtr hpalette 
)  

Parameters

hdc
Handle to the device responsible for the conversion. The mapping mode of the device context must be MM_TEXT.

hbitmap
Handle to the DDB to be changed.

hpalette
Handle to the palette. This value can be IntPtr.Zero if the hdc parameter refers to a device that is greater than 8 bits, or if the bitmap will use the system palette.

Return Value

The newly create Leadtools.RasterImage object.

Remarks

This method results in only one copy of the image, and it invalidates the DDB (hbitmap) handle.

For more information on DDBs and DIBs, refer to Using DIBs, DDBs, and the Clipboard.

For more information refer to RasterImage and GDI/GDI+.

Example

For an example, refer to ChangeToHBitmap(rasterimage).

Requirements

Target Platforms

Help Version 19.0.2017.10.18
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Leadtools.Drawing Assembly