Overview

Objective Grid for Microsoft .NET User's Guide
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5.2 Overview

The following classes, methods, and properties are required for using .NET controls in grid cells:

CellControl—This class represents a custom cell control and wraps any .NET control for use in a grid cell.

GridControl.RegisterControl—This method accepts a single argument, a System.Windows.Forms.Control-derived object, and returns an instance of a CellControl that wraps the .NET control.

Style.CustomControl—This property accepts a CellControl object created by GridControl.RegisterControl. The specified cell control object can then be used in grid cells using GridControl.SetStyleRange.

The following C# code segment illustrates how to use a .NET NumericUpDown as a cell editor in column 2 of a grid control. This should be executed only during or after the invocation of the GridControl.GridInitialized event.

// Instantiate a NumericUpDown control
System.Windows.Forms.NumericUpDown upDown =
new System.Windows.Forms.NumericUpDown();

// Configure the control
upDown.Minimum = -10;
upDown.Maximum = 10;
upDown.BorderStyle = BorderStyle.None;

// Instantiate a Objective Grid for Microsoft .NET Style object, and 
// assign its CustomControl property to the registered CellControl
Style upDownCell = new Style();
upDownCell.CustomControl = this.GridControl1.RegisterControl(upDown);
upDownCell.Value = "0";

// Use SetStyleRange to use the control in column 2
this.GridControl1.SetStyleRange(Range.Col(2), upDownCell);

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