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C# Programming questions specific to the Microsoft C# language. See also the forum Beginning Visual C# to discuss that specific Wrox book and code.
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Old September 8th, 2003, 09:42 AM
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Default Capital Letters in a COMBOBOX. How can i do it?

How I can place in capital letters the text of a COMBOBOX?
For TEXTBOX I use:
textBox1.CharacterCasing = CharacterCasing.Upper;...
How to make the same for a COMBOBOX?
There isnt a CharacterCasing metod for a COMBOBOX...
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Old September 8th, 2003, 10:26 AM
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Hi Thomaz,

If it's not supported, you should do it by hand. When you add items to the drop-down, change the text to upper case right before you add the item. To allow users to add their own items, write some code for when the drop-down looses focus (in the LostFocus event) and change the case for the item that has been inserted.

There may be other ways as well, but this is what I would try first.

Cheers,

Imar




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Old October 17th, 2003, 11:47 PM
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Thomaz,

Here is how I did it. In the TextChanged event of the ComboBox add the following code:

ComboBox thisBox = ( ComboBox )sender;
int cursorPosition = thisBox.SelectionStart;
thisBox.Text = thisBox.Text.ToUpper();
thisBox.SelectionStart = cursorPosition;

I hope this helps.

-Jim

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