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ImageList_DrawEx info  Overview  Group

The ImageList_DrawEx function draws an image list item in the specified device context. The function uses the specified drawing style and blends the image with the specified color.

BOOL ImageList_DrawEx(

    HIMAGELIST himl, 

// handle to the image list

    int i,

// index of the image to draw

    HDC hdcDst, 

// handle to the destination device context

    int x, 

// x-coordinate to draw at

    int y, 

// y-coordinate to draw at

    int dx, 

// width of image

    int dy, 

// height of image

    COLORREF rgbBk, 

// background color of image

    COLORREF rgbFg,

// foreground color of image

    UINT fStyle

// drawing style

   );

Parameters

himl 
Handle to the image list
i
Index of the image to draw.
hdcDst
Handle to the destination device context.
x 
Specifies the x-coordinate at which to draw within the specified device context.
y
Specifies the y-coordinate at which to draw within the specified device context.
dx
Specifies the width of the portion of the image to draw, relative to the upper-left corner of the image. If dx and dy are zero, the function draws the entire image. The function does not ensure that the parameters are valid.
dy
Specifies the height of the portion of the image to draw, relative to the upper-left corner of the image. If dx and dy are zero, the function draws the entire image. The function does not ensure that the parameters are valid.
rgbBk
Background color of the image. This parameter can be an application-defined RGB value or one of the following values:

Value

Meaning

CLR_NONE

No background color. The image is drawn transparently.

CLR_DEFAULT

Default background color. The image is drawn using the background color of the image list.

This parameter is used only if the image list identified by himl was created with the ILC_MASK value.

rgbFg
Foreground color of the image. This parameter can be an application-defined RGB value or one of the following values:

Value

Meaning

CLR_NONE

No blend color. The image is blended with the color of the destination device context.

CLR_DEFAULT

Default foreground color. The image is drawn using the system highlight color as the foreground color.

This parameter is used only if fStyle includes the ILD_BLEND25 or ILD_BLEND50 value.

fStyle
Specifies the drawing style and, optionally, the overlay image. For information about specifying an overlay image index, see the following Remarks section. This parameter can be a combination of an overlay image index and one or more of the following values.

Value

Meaning

ILD_BLEND25,
ILD_FOCUS

Draws the image, blending 25 percent with the blend color specified by rgbFG. This value has no effect if the image list does not contain a mask.

ILD_BLEND50,
ILD_SELECTED,
ILD_BLEND

Draws the image, blending 50 percent with the blend color specified by rgbFG. This value has no effect if the image list does not contain a mask.

ILD_MASK

Draws the mask.

ILD_NORMAL

Draws the image using the background color for the image list. If the background color is the CLR_NONE value, the image is drawn transparently using the mask.

ILD_TRANSPARENT

Draws the image transparently using the mask, regardless of the background color. This value has no effect if the image list does not contain a mask.

Remarks

An overlay image is drawn transparently over the primary image specified in the i parameter. To specify an overlay image in the fStyle parameter, use the INDEXTOOVERLAYMASK macro to shift the one-based index of the overlay image. Use the OR operator to logically combine the return value of the macro with the drawing style flags specified in the fStyle parameter. You must first specify this image as an overlay image by using the ImageList_SetOverlayImage function.

Return Values

If the function succeeds, the return value is nonzero.

If the function fails, the return value is zero.

See Also

ImageList_SetOverlayImage, INDEXTOOVERLAYMASK, RGB 

See also:


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