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New Message on BDOTNET
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From: LovedJohnySmith
Message 2 in Discussion
Hey Dude: You can achive this task using HitTest Property. it
will give you the current hit area. from that, you can highlight the color.
When you click on a cell and the whole cell gets highlighted. so please use the
following function to get that behavior: protected override void
OnMouseDown(System.Windows.Forms.MouseEventArgs e)
{
DataGrid.HitTestInfo hitTestInfo = this.HitTest(e.X, e.Y);
if (hitTestInfo.Type == HitTestType.ColumnResize
|| hitTestInfo.Type == HitTestType.RowResize) {
return;
} base.OnMouseDown(e);
if ( hitTestInfo.Type == HitTestType.Cell) {
SelectRow(hitTestInfo.Row);
}
return;
} That function reacts to the mouse click and calls my other function,
SelectRow, which in turn calls HighlightRow... public void SelectRow(int
index)
{
HighlightRow(index);
this.CurrentRowIndex = index;
return;
} int highlightedRow = -1; // we use -1 to mean no selection
private void HighlightRow(int index)
{
CurrencyManager currencyManager;
currencyManager = (CurrencyManager) this.BindingContext[this.DataSource];
int rowCount = currencyManager.Count;
if (index < 0 || index > rowCount - 1)
return;
if (highlightedRow > -1 && highlightedRow < rowCount)
this.UnSelect(highlightedRow);
this.Select(index);
highlightedRow = index;
return;
}
Finally, one more function: protected override void
OnCurrentCellChanged(System.EventArgs e)
{
HighlightRow(this.CurrentCell.RowNumber);
base.OnCurrentCellChanged(e);
return; }
and have a look at the following URL for excellent example.
http://www.codeproject.com/csharp/custom_datagridcolumnstyl.asp Thanx, smith
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