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CopyImage info  Overview  Group

The CopyImage function creates a new image (icon, cursor, or bitmap) and copies the attributes of the specified image to the new one. If necessary, the function stretches the bits to fit the desired size of the new image.

HANDLE CopyImage(

    HANDLE hImage, 

// handle to the image to copy

    UINT uType,

// type of image to copy

    int cxDesired,

// desired width of new image

    int cyDesired,

// desired height of new image

    UINT fuFlags

// copy flags

   );

Parameters

hinst
Identifies an instance of the module that contains the image to be copied.
uType
Specifies the type of image to be copied. This parameter can be one of the following values:

Value

Meaning

IMAGE_BITMAP

Copies a bitmap.

IMAGE_CURSOR

Copies a cursor.

IMAGE_ICON

Copies an icon.

cxDesired
Specifies the desired width, in pixels, of the image.
cyDesired
Specifies the desired height, in pixels, of the image.
fuFlags
Specifies a combination of the following values:

Value

Meaning

LR_COPYDELETEORG

Deletes the original image after creating the copy.

LR_COPYRETURNORG

Creates an exact copy of the image, ignoring the cxDesired and cyDesired parameters.

LR_MONOCHROME

Creates a new monochrome image.

LR_COPYFROMRESOURCE

Tries to reload an icon or cursor resource from the original resource file rather than simply copying the current image. This is useful for creating a different-sized copy when the resource file contains multiple sizes of the resource. Without this flag, CopyImage stretches the original image to the new size. If this flag is set, CopyImage uses the size in the resource file closest to the desired size.

This will succeed only if hImage was loaded by LoadIcon or LoadCursor, or by LoadImage with the LR_SHARED flag.

Return Values

If the function succeeds, the return value is the handle to the newly created image.

If the function fails, the return value is NULL. To get extended error information, call GetLastError.

See Also

LoadImage


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