protected virtual void OnAutoSizeColumnsModeChanged (DataGridViewAutoSizeColumnsModeEventArgs e)
{
DataGridViewAutoSizeColumnsModeEventHandler eh = (DataGridViewAutoSizeColumnsModeEventHandler)(Events [AutoSizeColumnsModeChangedEvent]);
if (eh != null)
eh (this, e);
}
[SuppressMessage("Microsoft.Usage", "CA2208:InstantiateArgumentExceptionsCorrectly")] // e.PreviousModes is more precise than just e
protected virtual void OnAutoSizeColumnsModeChanged(DataGridViewAutoSizeColumnsModeEventArgs e)
{
DataGridViewAutoSizeColumnMode[] previousModes = e.PreviousModes;
if (previousModes == null)
{
throw new ArgumentNullException("e.PreviousModes");
}
if (previousModes.Length != this.Columns.Count)
{
throw new ArgumentException(SR.GetString(SR.DataGridView_PreviousModesHasWrongLength));
}
foreach (DataGridViewColumn dataGridViewColumn in this.Columns)
{
if (dataGridViewColumn.Visible)
{
DataGridViewAutoSizeColumnMode autoSizeColumnMode = dataGridViewColumn.InheritedAutoSizeMode;
Debug.Assert(autoSizeColumnMode != DataGridViewAutoSizeColumnMode.NotSet);
DataGridViewAutoSizeColumnMode previousInheritedMode = previousModes[dataGridViewColumn.Index];
bool previousInheritedModeAutoSized = previousInheritedMode != DataGridViewAutoSizeColumnMode.Fill &&
previousInheritedMode != DataGridViewAutoSizeColumnMode.None &&
previousInheritedMode != DataGridViewAutoSizeColumnMode.NotSet;
if (autoSizeColumnMode == DataGridViewAutoSizeColumnMode.Fill ||
previousInheritedMode == DataGridViewAutoSizeColumnMode.Fill)
{
// UsedFillWeight values need to be updated
this.dataGridViewState2[DATAGRIDVIEWSTATE2_usedFillWeightsDirty] = true;
}
if (autoSizeColumnMode != DataGridViewAutoSizeColumnMode.None)
{
if (autoSizeColumnMode != DataGridViewAutoSizeColumnMode.Fill)
{
if (!previousInheritedModeAutoSized)
{
// Save current column width for later reuse
dataGridViewColumn.CachedThickness = dataGridViewColumn.Thickness;
}
AutoResizeColumnInternal(dataGridViewColumn.Index,
(DataGridViewAutoSizeColumnCriteriaInternal)autoSizeColumnMode,
(((DataGridViewAutoSizeRowsModeInternal)this.autoSizeRowsMode) & DataGridViewAutoSizeRowsModeInternal.AllColumns) == 0 /*fixedHeight*/);
}
}
else if (dataGridViewColumn.Thickness != dataGridViewColumn.CachedThickness && previousInheritedModeAutoSized)
{
// Restoring cached column width
dataGridViewColumn.ThicknessInternal = Math.Max(dataGridViewColumn.MinimumWidth, dataGridViewColumn.CachedThickness);
}
}
}
// Auto fill columns if needed
PerformLayoutPrivate(false /*useRowShortcut*/, true /*computeVisibleRows*/, true /*invalidInAdjustFillingColumns*/, false /*repositionEditingControl*/);
// Autosize rows and column headers if needed
if ((((DataGridViewAutoSizeRowsModeInternal)this.autoSizeRowsMode) & DataGridViewAutoSizeRowsModeInternal.AllColumns) != 0)
{
AdjustShrinkingRows(this.autoSizeRowsMode, true /*fixedWidth*/, true /*internalAutosizing*/);
if (this.ColumnHeadersHeightSizeMode == DataGridViewColumnHeadersHeightSizeMode.AutoSize)
{
AutoResizeColumnHeadersHeight(true /*fixedRowHeadersWidth*/, true /*fixedColumnWidth*/);
}
// Second pass of column autosizing with 1 degree of freedom
foreach (DataGridViewColumn dataGridViewColumn in this.Columns)
{
DataGridViewAutoSizeColumnMode autoSizeColumnMode = dataGridViewColumn.InheritedAutoSizeMode;
Debug.Assert(autoSizeColumnMode != DataGridViewAutoSizeColumnMode.NotSet);
if (autoSizeColumnMode != DataGridViewAutoSizeColumnMode.None && autoSizeColumnMode != DataGridViewAutoSizeColumnMode.Fill)
{
AutoResizeColumnInternal(dataGridViewColumn.Index,
(DataGridViewAutoSizeColumnCriteriaInternal)autoSizeColumnMode,
true /*fixedHeight*/);
}
}
}
DataGridViewAutoSizeColumnsModeEventHandler eh = this.Events[EVENT_DATAGRIDVIEWAUTOSIZECOLUMNSMODECHANGED] as DataGridViewAutoSizeColumnsModeEventHandler;
if (eh != null && !this.dataGridViewOper[DATAGRIDVIEWOPER_inDispose] && !this.IsDisposed)
{
eh(this, e);
}
}
protected virtual void OnAutoSizeColumnsModeChanged(DataGridViewAutoSizeColumnsModeEventArgs e);
/// <summary>
/// Extends BeginInvoke so that when a state object is not needed, null does not need to be passed.
/// <example>
/// datagridviewautosizecolumnsmodeeventhandler.BeginInvoke(sender, e, callback);
/// </example>
/// </summary>
public static IAsyncResult BeginInvoke(this DataGridViewAutoSizeColumnsModeEventHandler datagridviewautosizecolumnsmodeeventhandler, Object sender, DataGridViewAutoSizeColumnsModeEventArgs e, AsyncCallback callback)
{
if(datagridviewautosizecolumnsmodeeventhandler == null) throw new ArgumentNullException("datagridviewautosizecolumnsmodeeventhandler");
return datagridviewautosizecolumnsmodeeventhandler.BeginInvoke(sender, e, callback, null);
}
protected virtual void OnAutoSizeColumnsModeChanged(DataGridViewAutoSizeColumnsModeEventArgs e)
{
DataGridViewAutoSizeColumnMode[] previousModes = e.PreviousModes;
if (previousModes == null)
{
throw new ArgumentNullException("e.PreviousModes");
}
if (previousModes.Length != this.Columns.Count)
{
throw new ArgumentException(System.Windows.Forms.SR.GetString("DataGridView_PreviousModesHasWrongLength"));
}
foreach (DataGridViewColumn column in this.Columns)
{
if (column.Visible)
{
DataGridViewAutoSizeColumnMode inheritedAutoSizeMode = column.InheritedAutoSizeMode;
DataGridViewAutoSizeColumnMode mode2 = previousModes[column.Index];
bool flag = ((mode2 != DataGridViewAutoSizeColumnMode.Fill) && (mode2 != DataGridViewAutoSizeColumnMode.None)) && (mode2 != DataGridViewAutoSizeColumnMode.NotSet);
if ((inheritedAutoSizeMode == DataGridViewAutoSizeColumnMode.Fill) || (mode2 == DataGridViewAutoSizeColumnMode.Fill))
{
this.dataGridViewState2[0x4000000] = true;
}
switch (inheritedAutoSizeMode)
{
case DataGridViewAutoSizeColumnMode.None:
{
if ((column.Thickness != column.CachedThickness) && flag)
{
column.ThicknessInternal = Math.Max(column.MinimumWidth, column.CachedThickness);
}
continue;
}
case DataGridViewAutoSizeColumnMode.Fill:
{
continue;
}
}
if (!flag)
{
column.CachedThickness = column.Thickness;
}
this.AutoResizeColumnInternal(column.Index, (DataGridViewAutoSizeColumnCriteriaInternal) inheritedAutoSizeMode, (this.autoSizeRowsMode & ((DataGridViewAutoSizeRowsMode) 2)) == DataGridViewAutoSizeRowsMode.None);
}
}
this.PerformLayoutPrivate(false, true, true, false);
if ((this.autoSizeRowsMode & ((DataGridViewAutoSizeRowsMode) 2)) != DataGridViewAutoSizeRowsMode.None)
{
this.AdjustShrinkingRows(this.autoSizeRowsMode, true, true);
if (this.ColumnHeadersHeightSizeMode == DataGridViewColumnHeadersHeightSizeMode.AutoSize)
{
this.AutoResizeColumnHeadersHeight(true, true);
}
foreach (DataGridViewColumn column2 in this.Columns)
{
DataGridViewAutoSizeColumnMode mode3 = column2.InheritedAutoSizeMode;
if ((mode3 != DataGridViewAutoSizeColumnMode.None) && (mode3 != DataGridViewAutoSizeColumnMode.Fill))
{
this.AutoResizeColumnInternal(column2.Index, (DataGridViewAutoSizeColumnCriteriaInternal) mode3, true);
}
}
}
DataGridViewAutoSizeColumnsModeEventHandler handler = base.Events[EVENT_DATAGRIDVIEWAUTOSIZECOLUMNSMODECHANGED] as DataGridViewAutoSizeColumnsModeEventHandler;
if (((handler != null) && !this.dataGridViewOper[0x100000]) && !base.IsDisposed)
{
handler(this, e);
}
}
