manually changing column width in datagridview in c#

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I am looking for an event which is fired when a user manually changes the width of a column in DataGridView by dragging the column divider.

I am using DataGridView, where AutoSizeColumnMode is set to fill for all columns.

pls give me solution

thnks

Posted 2-Aug-10 21:22pm

amitthakkar1987

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Sandeep Mewara · Answer 1 · 2010-08-02T21:27:00

Solution 1

Bookmark this page for yourself: DataGridView Events[^]

The one that should help you out is:
DataGridView.ColumnDividerWidthChanged Event[^]

Posted 2-Aug-10 21:27pm

Sandeep Mewara

Dima Popov · Answer 2 · 2010-08-02T21:32:00

It is the ColumnWidthChanged event of the DataGridView

You'll have to filter out this event firing when parent form is resized. Use ResizeBegin to set a flag that form is resizing and ResizeEnd to reset the flag.

Also you'll have to know which column is being resized by user. Use MouseDown event for this.

C#

private void dataGridView_MouseDown(object sender, MouseEventArgs e)
{
    for (int i = 0; i < dataGridView.ColumnCount; i++)
    {
        if (dataGridView.GetColumnDisplayRectangle(i, true).Contains(e.Location))
        {
            columnBeingResized = dataGridView.Columns[i];
            break;
        }
    }
}