Returns the info header and image for a device independent bitmap.
function GetDIB(Bitmap: HBITMAP; Palette: HPALETTE; var BitmapInfo; var Bits): Boolean;
Boolean GetDIB(HBITMAP Bitmap, HPALETTE Palette, BitmapInfo, Bits);
Graphics
Call GetDIB to convert a device dependent bitmap into a device independent bitmap (DIB). Pass the handle to a device dependent bitmap and a handle to its palette as the Bitmap and Palette parameters. GetDIB fills in the BitmapInfo and Bits parameters with the info header and image of the corresponding DIB. GetDIB returns true if the bitmap was successfully converted into a DIB, false otherwise.
Before calling GetDIB, the memory for the info header and image must be allocated. Call GetDIBSizes to determine the amount of memory that must be allocated for the info header and image.
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