Delphi dbgrideh颜色设置

dbgrideh颜色设置

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（1）分行不同颜色设置；在DBGridEh1DrawColumnCell中写；

    if ADOQuery1.RecNo mod 2=0 then
    begin
        DBGridEh1.Canvas.Font.Color := clRed;
        DBGridEh1.DefaultDrawColumnCell(Rect, DataCol, Column, State);
    end
    else begin
        DBGridEh1.Canvas.Font.Color := clGreen;
        DBGridEh1.DefaultDrawColumnCell(Rect, DataCol, Column, State);
    end;

（2）分行不同背景颜色设置；在DBGridEh1DrawColumnCell中写；

    if ADOQuery1.RecNo mod 2=0 then
    begin
        DBGridEh1.Canvas.Brush.Color := clRed;
        DBGridEh1.DefaultDrawColumnCell(Rect, DataCol, Column, State);
    end
    else begin
        DBGridEh1.Canvas.Brush.Color := clGreen;
        DBGridEh1.DefaultDrawColumnCell(Rect, DataCol, Column, State);
    end;

（3）符合条件的单元格颜色或者背景颜色设置；在DBGridEh1DrawColumnCell中写；

    if Column.FieldName='价格' then
    begin
        if ADOQuery1.FieldByName('价格').AsFloat<0 then
        begin
            DBGridEh1.Canvas.Font.Color := clRed;
            DBGridEh1.DefaultDrawColumnCell(Rect, DataCol, Column, State);
        end;
    end;