Search found 16 matches

by Krishna
Mon Oct 09, 2006 12:19 pm
Forum: VCL
Topic: Transparency not applicable while printing
Replies: 1
Views: 5071

Transparency not applicable while printing

After creating graphs, I created some rectangles using TRectangleTool. For which I decreased the opacity and made them transparent, so that the graphs behind the rectangles will be visible. But whenever the graph is printed, only the rectangles are visible, and not the graph and anything behind it. ...
by Krishna
Mon Sep 11, 2006 6:52 am
Forum: VCL
Topic: Add / Remove TRectangle Tools during RunTime
Replies: 1
Views: 4932

Add / Remove TRectangle Tools during RunTime

Please help me... Its urgent We are developing a VCL Component. In the constructor I'm creating a Rectangle tool like: EditTextTool : TRectangleTool; self.EditTextTool := TRectangleTool.Create(self); While dragging the component from the pallete(during design time), the constructor is being called a...
by Krishna
Fri Sep 01, 2006 5:39 am
Forum: VCL
Topic: working with Scroll bar
Replies: 0
Views: 5602

working with Scroll bar

Hi, I am creating tlineseries dynamically and adding them to the chart I have binded TchartScrollbar to the chart1 for moving the chart when zoomed. when i try to move the chart using scrollbar the chart goes to the abdnormal state showing 1/12/1899 or 1/1/1900 in the bottom axis( the bottom axis va...
by Krishna
Fri Sep 01, 2006 4:20 am
Forum: VCL
Topic: Restricting Axis Scroll
Replies: 1
Views: 4868

Restricting Axis Scroll

Hi, I have disabled default panning of the chart and used two "axis scroll tool" to move the graph.(i.e one axis scroll is used for left and another for bottom). I have restricted the axis scroll if it exceeds the graph points(minimum and maximum). The user should not go beyond the total graph point...
by Krishna
Thu Aug 17, 2006 10:10 am
Forum: VCL
Topic: Need to customize panning
Replies: 2
Views: 6001

customize panning in VCL

Hi, The following is the source code given by you can be used for applications, but, I need to develop VCL so, which property/ event I should override. I found the AllowScroll is property of type TChartScrollEvent. How should i Implement the below logic code for override of AllowScroll in VCL proced...
by Krishna
Mon Aug 14, 2006 7:09 am
Forum: VCL
Topic: fix the height of Legend
Replies: 1
Views: 4630

fix the height of Legend

Hi,

I need to fix the height of Legend to the half height of chart Rect.
If the no of items increases the legend scrollbar should be enabled.

Currently the legend height equals the height of the chart and notable to reduce the height.

Regards,
Krishna.
by Krishna
Mon Aug 14, 2006 7:01 am
Forum: VCL
Topic: Need to customize panning
Replies: 2
Views: 6001

Need to customize panning

Hi,

I am having two graphs on two different axis(i.e. Left and Custom Axis having same x-Axis).
I need to stop vertical panning of second graph which having custom axis, so that only one graph can be moved and other will be static at all time.

Regards,
Krishna.
by Krishna
Sun Aug 06, 2006 5:52 am
Forum: VCL
Topic: Chart area Resize event
Replies: 1
Views: 4478

Chart area Resize event

Hi,

What is the event for ChartArea Resize/Change in VCL?
How to override that event?

Thank you.
by Krishna
Fri Aug 04, 2006 11:27 am
Forum: VCL
Topic: Chart Area Width and Height
Replies: 1
Views: 5254

Chart Area Width and Height

Hi, Please help me in calculation of the exact chart area (where the graphs appears) width and height. when i am calculating manually the width and height not getting the exact values, if I changed the titles and lables in display angles, it is not giving the exact value; The width and height are us...
by Krishna
Thu Aug 03, 2006 7:12 am
Forum: VCL
Topic: Need to disable TChart Editor in VCL
Replies: 1
Views: 4712

Need to disable TChart Editor in VCL

Hi, I am developing a VCL component using TChart. The user can drop the new VCL component and during design time the user may set few properties which all the properties can not reset/ inialized. I should disable the TChart Editor for this purpose, but all the properties should work through coding. ...
by Krishna
Thu Aug 03, 2006 5:39 am
Forum: VCL
Topic: Color Line with Marks Tips
Replies: 2
Views: 8596

Color Line with Marks Tips

Hi,

I have placed a color line to identify exact position of the datapoint to the X-axis.
I need to popup the Mark Tip of the datapoint if the line position matches the datapoint when I am dragging the color line along the graph drawn.

Regards,
Krishna.
by Krishna
Thu Aug 03, 2006 5:38 am
Forum: VCL
Topic: Customizing Chart-Tools Marks Tips
Replies: 1
Views: 4622

Customizing Chart-Tools Marks Tips

Hi,

Can I apply different styles for Chart-Tools Marks Tips like changing rectangle style, stroke, Fill color etc.?

Regards,
Krishna.
by Krishna
Thu Aug 03, 2006 5:37 am
Forum: VCL
Topic: Opacity of the Background Picture
Replies: 1
Views: 5053

Opacity of the Background Picture

Hi,

I need to set the background picture opacity level. Actually there is a transparent property Boolean, but its not working as per my requirement

Regards,
Krishna.
by Krishna
Thu Aug 03, 2006 5:37 am
Forum: VCL
Topic: Mouse over sensitivity for DataPoints
Replies: 1
Views: 4695

Mouse over sensitivity for DataPoints

Hi, I have used Chart –Tools Marks Tips to display the marks of a datapoint when the mouse over on to the datapoint. I need to customize as follows For every datapoint a small (circular) region around each data point, which should “catch” the mouse cursor and display its X and Y value in Marks Tip. ...
by Krishna
Thu Aug 03, 2006 5:35 am
Forum: VCL
Topic: Position of Title of each Graph
Replies: 1
Views: 4571

Position of Title of each Graph

Hi,

I have two binary graphs; I need to place the Title/Name of the graph beside each the graph displayed. The graphs may add dynamically also.
The graph position changes dynamically.

Regards,
Krishna.