Title: Aligning cells in stringgrid
Question: I need to allign cells in a stringgrid, first cell to the left ,second to the right and so on ...
Answer:
procedure WriteText(ACanvas: TCanvas; const ARect: TRect; DX, DY: Integer;
const Text: string; Format: Word);
var
S: array[0..255] of Char;
B, R: TRect;
begin
with ACanvas, ARect do
begin
case Format of
DT_LEFT : ExtTextOut(Handle, Left + DX, Top + DY, ETO_OPAQUE or ETO_CLIPPED,
@ARect, StrPCopy(S, Text), Length(Text), nil);
DT_RIGHT : ExtTextOut(Handle, Right - TextWidth(Text) - 3, Top + DY,
ETO_OPAQUE or ETO_CLIPPED, @ARect, StrPCopy(S, Text),
Length(Text), nil);
DT_CENTER : ExtTextOut(Handle, Left + (Right - Left - TextWidth(Text)) div 2,
Top + DY, ETO_OPAQUE or ETO_CLIPPED, @ARect,
StrPCopy(S, Text), Length(Text), nil);
end;
end;
end;
procedure TBEFStringGrid.DrawCell(Col, Row: Longint; Rect: TRect; State: TGridDrawState);
var
procedure Display(const S: string; Alignment: TAlignment);
const
Formats: array[TAlignment] of Word = (DT_LEFT, DT_RIGHT, DT_CENTER);
begin
WriteText(Canvas, Rect, 2, 2, S, Formats[Alignment]);
end;
begin
{ test the Col and Row arguments here and format the cells as you want }
case Row of
0 : { Center column headings }
if (Col Display(Cells[Col,Row], taCenter)
else
{ Right justify all other entries }
Display(Cells[Col,Row], taRight);
end;
end;