OldRow, OldCol : integer; // defined in TForm private

var
P : TPoint;
gc: TGridCoord;
begin
gc := TStringGrid(Sender).MouseCoord(x, y) ;
P.X := X;
P.Y := Y;
if (gc.x <> OldCol)...

Thank you Jonase. The CSV file approach, which is nicely supported by TStrngList, is one way. I was unable to discover how to use the Delphi components TExcelApplicatioin, TExcelWorkBook, etc.
...

I'd like to read/write xls files in Delphi. I think there's a way to do this using ADO. Can anyone provide an example or head me in the right direction. Thanks.

I have two RadioGroups on my form, each with just two RadioButtons. When I click a button in one group, it turns off the "on" button in the other group. What could be causing this? I'm using D2007...

I'm using D2007 and trying to add a new, blank record to my Access database with code. The DB has a 'day' field and a 'event' field. All works fine when a record exists for the given day. I need to...

As the card is dragged from the gray side to the green "table" the background will change. Depending on where the card is, some of the time 1 or 2 corners will have a green background and 3 or 2 will...

I've created a playing card descendent of TCustomControl and I want it to have rounded corners. The card is displayed in a Paint procedure where I determine the bitmap and then use a Canvas.Draw(0,...

I too was surprised at how well my kludgy approach seemed to work. Thanks for pointing out efg's tech note.

Since "white" has 255 in all RGB bits I don't have to test for something higher than...

I store in an image in a RES file. Because it is so large, I first convert it from a BMP to a JPG. Then I load the JPG from the RES file, convert it to a BMP, and can now manipulate the image on a...

This seems to work fine


var Rect: TRect;
begin
SetRect(Rect, -1, -1, -1, -1);
MyGrid.Selection := TGridRect(Rect);

The upper-left corner cell of a stringgrid has a blue background - I believe because it is selected. I don't want any cells "selected". The solutions to this problem that I've seen have the user...

I'm having no problem adding components to to the Palette in Delphi 2007. Generally I do this by adding units to a .dproj and then installing the .dproj. I've tried to delete a unit - and that...

Thanks a lot - that was just what I was lookinig for.

I'm having trouble creating a RES file (for a visual component). This was easy under XP as I had the file extension for all .rc files set up to run RC.EXE. I am now using Vista and can't find the...