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Douglas Hoppes
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Mar 26, 2008 - 7:22 AM
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Hi all, I have a cell that is a CExtGridCellNumber and am trying to place the value 12.435632432436. When I use the _VariantAssign to store my float value in the grid, the grid always shows 12.44. Is there a way that I can show 12.4356? Doug
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Takis Takoglou
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Mar 27, 2009 - 5:27 AM
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Hi, I’m having the same problem here.I have already used for a spin button: pValue->SetNumDigits (4);
pValue->_VariantAssign( 0.252); but there are only 2 digits displayed...if i change my local settings they are properly displayed what’s wrong? If i wanted my spin button field to display only positive values with the maximum of say 100? I would also like to know if there is a way to set the spin button to custom increments for example +/- 0.01 or 0.2 instead of the default +/-1 Thanx in advance, Stakon.
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Technical Support
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Mar 27, 2009 - 2:00 PM
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The CExtGridCellNumber::OnQueryNumDigits() virtual method returns a locale independent number of digits if you specified it using the CExtGridCellNumber::SetNumDigits() method. Please check your code. If you need to implement value limits and custom incrementation/decrementation in your number cell, then you should create and use your own CExtGridCellNumber -derived class which implements the CExtGridCell::OnInplaceControlTextInputVerify() , CExtGridCell::OnValueIncrement() and CExtGridCell::OnValueDecrement() virtual methods. Please do not forget to insert the IMPLEMENT_ExtGridCell_Clone macros into declaration of your grid cell class and read the following important note:
http://www.prof-uis.com/prof-uis/tech-support/faq/data-grid.aspx#i-derived-a-class-from-cextgridcell-but-it-fails-to-be-compiled-what-may-be-wrong
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Takis Takoglou
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Mar 31, 2009 - 2:01 AM
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Good Day the implementation of the classes you described above is very useful, thanks alot ;) but unfortunately the number of digits displayed will not work for me... i have used the CExtGridCellNumber::OnQueryNumDigits() as you described and it returned the correct value, 4. When i run the program though, only 2 digits are displayed. When i select the field , all digits are displayed correctly but when something else is selected they disappear.
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Technical Support
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Mar 27, 2008 - 2:10 PM
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Please use the CExtGridCellNumber::SetNumDigits() method which specifies the number of fractional digits. The default value is -1 . In this case we are using information specified by the LCTYPE constant value LOCALE_IDIGITS .
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