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Normal Topic Diagram.BackBrush - LoadFromString() (Read 1453 times)
audi
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Diagram.BackBrush - LoadFromString()
Feb 23rd, 2023 at 3:20am
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Hi,

I found that the diagram.BackBrush default color is changed from Color.FromArgb(170, 170, 200) to White color after I upgraded MindFusion.Diagramming from version 6.1.2.23857 to version 6.8.5.450.

You can refer the diagrams of different version in the attachment.

I wonder if this is a expected behavior changed or a bug.
Because when I debug, I found that the property diagram.BackBrush are remained as 'Nothing' in both version after calling LoadFromString() method.
  
6_1_2_23857_version.png ( 2 KB | 39 Downloads )
6_1_2_23857_version.png
6_8_5_450_version.png ( 2 KB | 41 Downloads )
6_8_5_450_version.png
Diagram_BackBrush_default_color.png ( 21 KB | 40 Downloads )
Diagram_BackBrush_default_color.png
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Slavcho
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Re: Diagram.BackBrush - LoadFromString()
Reply #1 - Feb 23rd, 2023 at 9:31am
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Hi,

Default value changed to null when we introduced styles and themes, we'll need to update the help file. So when it's null, the actual brush comes from either the current theme or from Diagram.Style if you have set that.

Regards,
Slavcho
Mindfusion
  
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audi
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Re: Diagram.BackBrush - LoadFromString()
Reply #2 - Feb 23rd, 2023 at 10:30am
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Hi Slavcho,

I check the diagram.Style, it's Nothing. For the theme, do you mean the diagram.Theme? It's Nothing too in my environment. Kindly refer the attachment.

In conclusion, do you mean that by default the back color of the diagram will be White now right?
  
Diagram_Style.png ( 3 KB | 41 Downloads )
Diagram_Style.png
DiagramTheme.png ( 39 KB | 40 Downloads )
DiagramTheme.png
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Slavcho
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Re: Diagram.BackBrush - LoadFromString()
Reply #3 - Feb 23rd, 2023 at 2:15pm
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Right, there's stylesheet-like value inheritance (object.brush -> object.style.brush -> diagram.theme.brush -> default_style.brush) and the default is white now:

Code
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static DiagramStyle()
{
	Default = new DiagramStyle();
	Default.BackBrush = new SolidBrush(Color.White);
	Default.FontFamily = "Microsoft Sans Serif";
	Default.FontSize = 9;
	Default.FontStyle = FontStyle.Regular;
	Default.FontUnit = GraphicsUnit.Point;
	Default.Brush = new SolidBrush(Color.White);
	Default.Stroke = new SolidBrush(Color.Black);
	Default.StrokeThickness = 0;
	Default.StrokeDashStyle = DashStyle.Solid;
	Default.ShadowBrush = new SolidBrush(Color.FromArgb(150, Color.DarkGray));
	Default.TextBrush = new SolidBrush(Color.Black);
}


Regards,
Slavcho
Mindfusion
« Last Edit: Feb 24th, 2023 at 6:50am by Slavcho »  
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audi
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Re: Diagram.BackBrush - LoadFromString()
Reply #4 - Feb 24th, 2023 at 4:53am
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Hi Slavcho,

Thank you very much. This clarify my doubt on the default color.
Smiley

Regards,
Yap
  
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