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By Craig Swearingen - 9 Years Ago
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1) When I use an NRichTextLabel I've noticed that it doesn't honor its Font property. It's using a different font. When I put both a Label and an NRichTextLabel on my Form which has the same text string in it I can see it looks different. When I change the text in the NRichTextLabel to be "<font size='8.25' face='Microsoft Sans Serif'>my comparison string</font>" thinking this is the same font as the Label is using while it does look similar its spreading the string out much further than the Label does. Am I coding the size and face values correctly?
2) A common feature in a Label control is to use the ampersand(& character to denote the mnemonic. When the user presses the Alt+mnemonic character focus goes to the control after the Label. Is this support a part of the NRichTextLabel? I was also looking at the NEntryContainer and I suspect it uses an NRichTextLabel for its label portion. In the Nevron C# Examples program the toolkit provides it has an "Entry Controls" subtree showing two nice looking forms using the NEntryContainer but in a complete UX these forms would need mnemonic support. Is there some way to accomplish this on those forms?
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By Nevron Support - 9 Years Ago
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Hello Craig,
To apply font to NRichTextLabel you need to set the following property:
NRichTextLabel.Item.Style.FontInfo
To be able to set a mnemonic character you need to switch the TextRenderMode to GDIPlus:
NRichTextLabel.Item.Style.TextRenderMode = TextRenderMode.GdiPlus
Yes, NEntryContainer is NRichTextLabel, so you can set its label to have mnemonic character as described above.
NEntryContainer.Item.Style.TextRenderMode = TextRenderMode.GdiPlus;
I hope this helps.
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By Craig Swearingen - 9 Years Ago
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Thanks for responding. Good to know. I had missed seeing those properties on the Item.Style property.
1) When setting the Item.Style.FontInfo values to be the same my Label is using with the same text string I see it using the same font but it draws the text string out longer. It seems like a different drawing engine must be used. (Update: Ahh, I see. It's the difference between specifying Gdi and GdiPlus. I get it now.)
2) When using GdiPlus I can see the ampersand character is used to underline the character after it visually like I was looking for. However, when pressing Alt+<mnemonic> I hear a beep and focus doesn't move to the field after it like a Label control does. Is this a bug or am I expected to implement that support myself?
3) Also, I was inspired by the Nevron "Extended Entry Controls" example your toolkit provides which uses the NEntryElement with rich text labels to show a red asterisk character with the text prompt but I need to show a mnemonic and have the Alt+<mnemonic> key work along with a red asterisk. Can it be configured to do this?
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By Craig Swearingen - 9 Years Ago
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My previous forum reply seems to have gotten lost so I thought I'd try once more.
Thanks for responding and explaining. I hadn't noticed the Item.Style properties.
1) I see once I change the rendering from RichText to Gdi and set the FontStyle property I can get the same results as a Label control.
2) When using GdiPlus or Gdi I do now see the mnemonic underlined when using the ampersand character. However, when I press Alt + <mnemonic> I hear a beep and focus is not being moved to the next field in the tab order. Is this a bug?
3) In the "Extended Entry Controls" C# example that comes with the Nevron toolkit it shows a form using the NEntryContainer with a prompt which has a label and a red asterisk together. Thus its using the RichText rendering. I was inspired by this but I was looking forward to having mnemonic support too. I've not tried this but I suppose I can use the underline rich text tag and then override the control and add the processmnemonic method to get mnemonic support on a rich text rendering but does the control provide any easier support than this?
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By Nevron Support - 9 Years Ago
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Hello Craig,
You can display underline using RichText mode too. All you need to do is to surround the desired text or character with <u> tag (<u><\u> ).
However, the NRichTextLabel does not support real mnemonic functionality as it is in the standard Label control.
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