Changing the desktop wallpaper?

I've tried:

Code:

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string ft = "C:\\test.bmp";
SystemParametersInfo(SPI_SETDESKWALLPAPER, NULL, ft, SPIF_SENDCHANGE)

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but that just changes my desktop to black.

Code:

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SystemParametersInfo(SPI_SETDESKWALLPAPER, NULL, ft.c_str(), SPIF_SENDCHANGE);

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I prefer using the ActiveDesktop interfaces. You can do more with them

http://cboard.cprogramming.com/showt...ight=wallpaper

yeah SPI only works for .bmp