Как копировать и вставлять Bitmap через буфер обмена
function CopyClipToBuf(DC: HDC; Left, Top, Width, Height: Integer; Rop: LongInt; var CopyDC: HDC; var CopyBitmap: HBitmap): Boolean; var TempBitmap: HBitmap; begin Result := False; CopyDC := 0; CopyBitmap := 0; if DC <> 0 then begin CopyDC := CreateCompatibleDC(DC); if CopyDC <> 0 then begin CopyBitmap := CreateCompatibleBitmap(DC, Width, Height); if CopyBitmap <> 0 then begin TempBitmap := CopyBitmap; CopyBitmap := SelectObject(CopyDC, CopyBitmap); Result := BitBlt(CopyDC, 0, 0, Width, Height, DC, Left, Top, Rop); CopyBitmap := TempBitmap; end; end; end; end; function CopyBufToClip(DC: HDC; var CopyDC: HDC; var CopyBitmap: HBitmap; Left, Top, Width, Height: Integer; Rop: LongInt; DeleteObjects: Boolean): Boolean; var TempBitmap: HBitmap; begin Result := False; if (DC <> 0) and (CopyDC <> 0) and (CopyBitmap <> 0) then begin TempBitmap := CopyBitmap; CopyBitmap := SelectObject(DC, CopyBitmap); Result := BitBlt(DC, Left, Top, Width, Height, CopyDC, 0, 0, Rop); CopyBitmap := TempBitmap; if DeleteObjects then begin DeleteDC(CopyDC); DeleteObject(CopyBitmap); end; end; end; |
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