// Returns true for success, returns false when the OnDataError event cancels the operation.
private bool InitializeEditingControlValue(ref DataGridViewCellStyle dataGridViewCellStyle, DataGridViewCell dataGridViewCell)
{
Debug.Assert(dataGridViewCell != null);
Debug.Assert(this.editingControl != null);
DataGridViewDataErrorEventArgs dgvdee = null;
object initialFormattedValue = dataGridViewCell.GetFormattedValue(this.ptCurrentCell.Y, ref dataGridViewCellStyle, DataGridViewDataErrorContexts.Formatting);
this.dataGridViewState1[DATAGRIDVIEWSTATE1_editingControlChanging] = true;
this.dataGridViewState1[DATAGRIDVIEWSTATE1_ignoringEditingChanges] = true;
try
{
dataGridViewCell.InitializeEditingControl(this.ptCurrentCell.Y, initialFormattedValue, dataGridViewCellStyle);
((IDataGridViewEditingControl)this.editingControl).EditingControlValueChanged = false;
}
catch (Exception exception)
{
if (ClientUtils.IsCriticalException(exception))
{
throw;
}
dgvdee = new DataGridViewDataErrorEventArgs(exception, this.ptCurrentCell.X,
this.ptCurrentCell.Y,
DataGridViewDataErrorContexts.InitialValueRestoration);
OnDataErrorInternal(dgvdee);
}
finally
{
this.dataGridViewState1[DATAGRIDVIEWSTATE1_editingControlChanging] = false;
this.dataGridViewState1[DATAGRIDVIEWSTATE1_ignoringEditingChanges] = false;
}
if (dgvdee != null)
{
if (dgvdee.ThrowException)
{
throw dgvdee.Exception;
}
return !dgvdee.Cancel;
}
// Save unedited value so we can restore it later if parsing of new value fails
this.uneditedFormattedValue = initialFormattedValue;
return true;
}
private bool InitializeEditingControlValue(ref DataGridViewCellStyle dataGridViewCellStyle, DataGridViewCell dataGridViewCell)
{
DataGridViewDataErrorEventArgs e = null;
object initialFormattedValue = dataGridViewCell.GetFormattedValue(this.ptCurrentCell.Y, ref dataGridViewCellStyle, DataGridViewDataErrorContexts.Formatting);
this.dataGridViewState1[0x4000] = true;
this.dataGridViewState1[0x200] = true;
try
{
dataGridViewCell.InitializeEditingControl(this.ptCurrentCell.Y, initialFormattedValue, dataGridViewCellStyle);
((IDataGridViewEditingControl) this.editingControl).EditingControlValueChanged = false;
}
catch (Exception exception)
{
if (System.Windows.Forms.ClientUtils.IsCriticalException(exception))
{
throw;
}
e = new DataGridViewDataErrorEventArgs(exception, this.ptCurrentCell.X, this.ptCurrentCell.Y, DataGridViewDataErrorContexts.InitialValueRestoration);
this.OnDataErrorInternal(e);
}
finally
{
this.dataGridViewState1[0x4000] = false;
this.dataGridViewState1[0x200] = false;
}
if (e != null)
{
if (e.ThrowException)
{
throw e.Exception;
}
return !e.Cancel;
}
this.uneditedFormattedValue = initialFormattedValue;
return true;
}
// Returns true for success, returns false when the OnDataError event cancels the operation.
private bool InitializeEditingCellValue(ref DataGridViewCellStyle dataGridViewCellStyle, ref DataGridViewCell dataGridViewCell)
{
DataGridViewDataErrorEventArgs dgvdee = null;
// Save unedited value so we can restore it later if parsing of new value fails
this.uneditedFormattedValue = dataGridViewCell.GetFormattedValue(this.ptCurrentCell.Y, ref dataGridViewCellStyle, DataGridViewDataErrorContexts.Formatting);
this.dataGridViewState1[DATAGRIDVIEWSTATE1_ignoringEditingChanges] = true;
try
{
IDataGridViewEditingCell dataGridViewEditingCell = dataGridViewCell as IDataGridViewEditingCell;
Debug.Assert(dataGridViewEditingCell != null);
object currentFormattedValue = dataGridViewEditingCell.GetEditingCellFormattedValue(DataGridViewDataErrorContexts.Formatting);
if ((currentFormattedValue == null && this.uneditedFormattedValue != null) ||
(currentFormattedValue != null && this.uneditedFormattedValue == null) ||
(currentFormattedValue != null && !this.uneditedFormattedValue.Equals(currentFormattedValue)))
{
Debug.Assert(this.ptCurrentCell.X == dataGridViewCell.ColumnIndex);
dataGridViewCell = this.Rows[this.ptCurrentCell.Y].Cells[this.ptCurrentCell.X]; // unshare the edited cell
dataGridViewEditingCell = dataGridViewCell as IDataGridViewEditingCell;
dataGridViewEditingCell.EditingCellFormattedValue = this.uneditedFormattedValue;
dataGridViewEditingCell.EditingCellValueChanged = false;
}
}
catch (Exception exception)
{
if (ClientUtils.IsCriticalException(exception))
{
throw;
}
dgvdee = new DataGridViewDataErrorEventArgs(exception, this.ptCurrentCell.X,
this.ptCurrentCell.Y,
DataGridViewDataErrorContexts.InitialValueRestoration);
OnDataErrorInternal(dgvdee);
}
finally
{
this.dataGridViewState1[DATAGRIDVIEWSTATE1_ignoringEditingChanges] = false;
}
if (dgvdee != null)
{
if (dgvdee.ThrowException)
{
throw dgvdee.Exception;
}
return !dgvdee.Cancel;
}
return true;
}
private bool InitializeEditingCellValue(ref DataGridViewCellStyle dataGridViewCellStyle, ref DataGridViewCell dataGridViewCell)
{
DataGridViewDataErrorEventArgs e = null;
this.uneditedFormattedValue = dataGridViewCell.GetFormattedValue(this.ptCurrentCell.Y, ref dataGridViewCellStyle, DataGridViewDataErrorContexts.Formatting);
this.dataGridViewState1[0x200] = true;
try
{
IDataGridViewEditingCell cell = dataGridViewCell as IDataGridViewEditingCell;
object editingCellFormattedValue = cell.GetEditingCellFormattedValue(DataGridViewDataErrorContexts.Formatting);
if ((((editingCellFormattedValue == null) && (this.uneditedFormattedValue != null)) || ((editingCellFormattedValue != null) && (this.uneditedFormattedValue == null))) || ((editingCellFormattedValue != null) && !this.uneditedFormattedValue.Equals(editingCellFormattedValue)))
{
dataGridViewCell = this.Rows[this.ptCurrentCell.Y].Cells[this.ptCurrentCell.X];
cell = dataGridViewCell as IDataGridViewEditingCell;
cell.EditingCellFormattedValue = this.uneditedFormattedValue;
cell.EditingCellValueChanged = false;
}
}
catch (Exception exception)
{
if (System.Windows.Forms.ClientUtils.IsCriticalException(exception))
{
throw;
}
e = new DataGridViewDataErrorEventArgs(exception, this.ptCurrentCell.X, this.ptCurrentCell.Y, DataGridViewDataErrorContexts.InitialValueRestoration);
this.OnDataErrorInternal(e);
}
finally
{
this.dataGridViewState1[0x200] = false;
}
if (e == null)
{
return true;
}
if (e.ThrowException)
{
throw e.Exception;
}
return !e.Cancel;
}
