Search found 5 matches

by C.H. Luke
Fri Sep 30, 2005 11:49 pm
Forum: VCL
Topic: Single click on marker invokes zoom box
Replies: 1
Views: 3318

Single click on marker invokes zoom box

I have a chart with two point series. I have an "OnClick" event on both series. On one series, the click event executes the OnClick event normaly. On the other, the click event executes, but then, the mouse has a "zoom box" attached.... so imediately after clicking the mark on the chart, moving the ...
by C.H. Luke
Wed Sep 28, 2005 2:57 pm
Forum: VCL
Topic: My mark labels overlap
Replies: 1
Views: 3596

My mark labels overlap

I want my lables to be easily seen and detect when they are overlapping. I thought TChart did this automatically but I guess not. If I could make the arrow lengths different for each mark, that would also help (assuming that the labels would reposition themselves at the end of the arrow shaft). Howe...
by C.H. Luke
Fri Sep 09, 2005 10:32 pm
Forum: VCL
Topic: Loading chart from blob field
Replies: 3
Views: 10725

Solved it. I just need to set Stream1.Position := 0 before reading from it. Sorry to bug you guys and gals.
by C.H. Luke
Fri Sep 09, 2005 10:05 pm
Forum: VCL
Topic: Loading chart from blob field
Replies: 3
Views: 10725

I have figured out the syntax for loading a chart from a blob field by using a TMemoryStream and LoadChartFromStream(). However, I keep getting the message: "Wrong *.tee file format". A TDBChart was used to create the chart, then I saved to a .tee file using SaveChartToFile(), then I loaded the resu...
by C.H. Luke
Fri Sep 09, 2005 8:47 pm
Forum: VCL
Topic: Loading chart from blob field
Replies: 3
Views: 10725

Loading chart from blob field

I have a Delphi 7 utility that creates thousands of charts and loads them into a database. This "loader" utility utilizes TDBChart to make the chart, then I save to a file of type ".Tee" (Native) The .tee file is then loaded into a BLOB field in an Interbase database (Interbase: Just like Oracle onl...