How to select cell with mouse after DragDrop?
I have two datagridviews in my form. A user can select multiple cells and drag them to treeview nodes.
Here is the code of the mouse down event:
private void datagridviews_MouseDown(object sender, MouseEventArgs e)
{
if (e.Button == MouseButtons.Right)
{ Console.WriteLine("mouse down right");
statuslabel.Text = "";
DataGridView.HitTestInfo hit = ((DataGridView)sender).HitTest(e.X, e.Y);
if (hit.Type == DataGridViewHitTestType.Cell)
{
var clickedCell = ((DataGridView)sender).Rows[hit.RowIndex].Cells[hit.ColumnIndex];
clickedCell.Selected = true;
}
List<string> cellcontents = new List<string>();
foreach (DataGridViewCell c in ((DataGridView)sender).SelectedCells)
{
cellcontents.Add((string)c.Value);
}
if (cellcontents.Count>0)
((DataGridView)sender).DoDragDrop(cellcontents, DragDropEffects.Copy);
}
else
Console.WriteLine("mouse down left");
}
Drag and drop works but when I click on a cell in the origin datagridview right after the completion of the drop, I have to click twice for a cell to be selected.
Here is the console log of the events - right click is the drag/drop operation, then a normal left mouse click fires the mouse down event but not the cell click event even though I am clicking on a cell.
mouse down right
mouse down left
mouse down left
cell clicked
Why is the cell clicked event not firing the first time on mouse down left?
c# .net events datagridview
edited Nov 14 '18 at 20:13
Community♦
11
asked Jan 5 '16 at 10:53
chrisb
7818
add a comment |
I have two datagridviews in my form. A user can select multiple cells and drag them to treeview nodes.
Here is the code of the mouse down event:
private void datagridviews_MouseDown(object sender, MouseEventArgs e)
{
if (e.Button == MouseButtons.Right)
{ Console.WriteLine("mouse down right");
statuslabel.Text = "";
DataGridView.HitTestInfo hit = ((DataGridView)sender).HitTest(e.X, e.Y);
if (hit.Type == DataGridViewHitTestType.Cell)
{
var clickedCell = ((DataGridView)sender).Rows[hit.RowIndex].Cells[hit.ColumnIndex];
clickedCell.Selected = true;
}
List<string> cellcontents = new List<string>();
foreach (DataGridViewCell c in ((DataGridView)sender).SelectedCells)
{
cellcontents.Add((string)c.Value);
}
if (cellcontents.Count>0)
((DataGridView)sender).DoDragDrop(cellcontents, DragDropEffects.Copy);
}
else
Console.WriteLine("mouse down left");
}
Drag and drop works but when I click on a cell in the origin datagridview right after the completion of the drop, I have to click twice for a cell to be selected.
Here is the console log of the events - right click is the drag/drop operation, then a normal left mouse click fires the mouse down event but not the cell click event even though I am clicking on a cell.
mouse down right
mouse down left
mouse down left
cell clicked
Why is the cell clicked event not firing the first time on mouse down left?
c# .net events datagridview
edited Nov 14 '18 at 20:13
Community♦
11
asked Jan 5 '16 at 10:53
chrisb
7818
add a comment |
I have two datagridviews in my form. A user can select multiple cells and drag them to treeview nodes.
Here is the code of the mouse down event:
private void datagridviews_MouseDown(object sender, MouseEventArgs e)
{
if (e.Button == MouseButtons.Right)
{ Console.WriteLine("mouse down right");
statuslabel.Text = "";
DataGridView.HitTestInfo hit = ((DataGridView)sender).HitTest(e.X, e.Y);
if (hit.Type == DataGridViewHitTestType.Cell)
{
var clickedCell = ((DataGridView)sender).Rows[hit.RowIndex].Cells[hit.ColumnIndex];
clickedCell.Selected = true;
}
List<string> cellcontents = new List<string>();
foreach (DataGridViewCell c in ((DataGridView)sender).SelectedCells)
{
cellcontents.Add((string)c.Value);
}
if (cellcontents.Count>0)
((DataGridView)sender).DoDragDrop(cellcontents, DragDropEffects.Copy);
}
else
Console.WriteLine("mouse down left");
}
Drag and drop works but when I click on a cell in the origin datagridview right after the completion of the drop, I have to click twice for a cell to be selected.
Here is the console log of the events - right click is the drag/drop operation, then a normal left mouse click fires the mouse down event but not the cell click event even though I am clicking on a cell.
mouse down right
mouse down left
mouse down left
cell clicked
Why is the cell clicked event not firing the first time on mouse down left?
c# .net events datagridview
edited Nov 14 '18 at 20:13
Community♦
11
asked Jan 5 '16 at 10:53
chrisb
7818
I have two datagridviews in my form. A user can select multiple cells and drag them to treeview nodes.
Here is the code of the mouse down event:
private void datagridviews_MouseDown(object sender, MouseEventArgs e)
{
if (e.Button == MouseButtons.Right)
{ Console.WriteLine("mouse down right");
statuslabel.Text = "";
DataGridView.HitTestInfo hit = ((DataGridView)sender).HitTest(e.X, e.Y);
if (hit.Type == DataGridViewHitTestType.Cell)
{
var clickedCell = ((DataGridView)sender).Rows[hit.RowIndex].Cells[hit.ColumnIndex];
clickedCell.Selected = true;
}
List<string> cellcontents = new List<string>();
foreach (DataGridViewCell c in ((DataGridView)sender).SelectedCells)
{
cellcontents.Add((string)c.Value);
}
if (cellcontents.Count>0)
((DataGridView)sender).DoDragDrop(cellcontents, DragDropEffects.Copy);
}
else
Console.WriteLine("mouse down left");
}
Drag and drop works but when I click on a cell in the origin datagridview right after the completion of the drop, I have to click twice for a cell to be selected.
Here is the console log of the events - right click is the drag/drop operation, then a normal left mouse click fires the mouse down event but not the cell click event even though I am clicking on a cell.
mouse down right
mouse down left
mouse down left
cell clicked
Why is the cell clicked event not firing the first time on mouse down left?
c# .net events datagridview
c# .net events datagridview
edited Nov 14 '18 at 20:13
Community♦
11
asked Jan 5 '16 at 10:53
chrisb
7818
edited Nov 14 '18 at 20:13
Community♦
11
asked Jan 5 '16 at 10:53
chrisb
7818
edited Nov 14 '18 at 20:13
Community♦
11
edited Nov 14 '18 at 20:13
Community♦
11
edited Nov 14 '18 at 20:13
Community♦
11
11
asked Jan 5 '16 at 10:53
chrisb
7818
asked Jan 5 '16 at 10:53
chrisb
7818
asked Jan 5 '16 at 10:53
chrisb
7818
7818
add a comment |
add a comment |
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