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If you are working with a database, it is more appropriate to use BoundGridControl. So you may want to try it. If you still have problems after that, please let us know.

Hi,

How can I change the size of the group row expand button, we use the Unbound Grid Control on a touch screen so the button is a little to small?

How can I expand a group row from code in the Unbound Grid Control?

Thanks

Hi,

How can I add a image and some text to a cell in the Unbound Grid Control?

How can I add a checkbox aome text and a image to a cell in the Unbound Grid Control?

Thanks

Unfortunately, you cannot set a custom text for the empty Group By Box at the moment. We will include this feature in the next release.

However there is a solution. Please, send us the correct Spanish equivalent for "Drag a column header here to group by that content." string, so we can provide you with a resource satellite assembly for the Spanish locale. All you should do after that is to put this assembly into the folder where your executable is located. When your current UI culture is Spanish, the Spanish string will appear in the empty Group By Box.

It is not completely clear what you mean by "double-s" and "int-s". If you need a CExtGridCellUpDown which uses double values instead of integers, it is easy to do.

Actually CExtGridCellUpDown extends CExtGridCellNumber. The latter is based on VARIANT and allows you to use the following VARIANT types to store a numeric value:

- VT_I1                                                                              
- VT_I2
- VT_UI1
- VT_UI2
- VT_I4
- VT_UI4
- VT_I8
- VT_UI8
- VT_R4
- VT_R8
- VT_INT
- VT_UINT
- VT_BOOL
- VT_ERROR
- VT_DATE
- VT_CY
- VT_DECIMAL

As you can see, you can use any of these types including doubles (VT_R8).

Here is a code snippet which assigns a double value to a cell:

CExtGridCellUpDown * pCellUpDown =
 STATIC_DOWNCAST(
  CExtGridCellUpDown,
  m_wndGrid.GridCellGet(
   0,
   1L,
   0,
   0,
   RUNTIME_CLASS(CExtGridCellUpDown)
   )
 );
pCellUpDown ->_VariantAssign( DOUBLE(0.000000123456789) );

Note that, by default, increasing/decreasing operations change the cell value by 1 (one) and, if you need to change this behavior, you should override the following virtual methods:

CExtGridCellVariant::OnValueDecrement(
            LPVARIANT pvarValue
            )

CExtGridCellVariant::OnValueIncrement(
            LPVARIANT pvarValue
            )