我有一个带复选框的datagridview，我从提供材质复选框的NuGet包下载了Material Skin，我想在datagridview中使用此材质检查。
实质性皮肤NuGet软件包的链接：-https://www.nuget.org/packages/MaterialSkin/
我尝试过，但是它给出了一个例外：
System.FormatException ：单元格的格式化值类型错误。要替换此默认对话框，请处理数据错误事件
class ChackBoxColuman : DataGridViewColumn
{
public ChackBoxColuman() : base(new ChackBoxCell())
{
}
public override DataGridViewCell CellTemplate
{
get
{
return base.CellTemplate;
}
set
{
// Ensure that the cell used for the template is a CalendarCell.
if (value != null &&
!value.GetType().IsAssignableFrom(typeof(ChackBoxCell)))
{
throw new InvalidCastException("Must be a ChackBoxCedll");
}
base.CellTemplate = value;
}
}
}
class ChackBoxCell : DataGridViewCheckBoxCell {
public ChackBoxCell() : base() {
this.Style.Format = "";
}
public override object DefaultNewRowValue
{
get
{
return false;
}
}
public override void InitializeEditingControl(int rowIndex, object initialFormattedValue, DataGridViewCellStyle dataGridViewCellStyle)
{
base.InitializeEditingControl(rowIndex, initialFormattedValue,dataGridViewCellStyle);
ChackBoxEdit ctr = DataGridView.EditingControl as ChackBoxEdit;
if (this.Value == null)
{
ctr.Checked = false;
}
else {
ctr.Checked = System.Convert.ToBoolean(this.Value);
}
}
public override Type EditType
{
get
{
// Return the type of the editing control that CalendarCell uses.
return typeof(ChackBoxEdit);
}
}
public override Type ValueType
{
get
{
return typeof(bool);
}
}
}
class ChackBoxEdit : MaterialChackbox,IDataGridViewEditingControl
{
DataGridView dataGridView;
private bool valueChanged = false;
int rowIndex;
public ChackBoxEdit():base() {
}
public DataGridView EditingControlDataGridView
{
get
{
return dataGridView;
}
set
{
dataGridView = value;
}
}
public int EditingControlRowIndex {
get
{
return rowIndex;
}
set
{
rowIndex = value;
}
}
public bool EditingControlValueChanged {
get
{
return valueChanged;
}
set
{
valueChanged = value;
}
}
public Cursor EditingPanelCursor {
get
{
return base.Cursor;
}
}
public bool RepositionEditingControlOnValueChange {
get
{
return false;
}
}
public object EditingControlFormattedValue
{
get
{
return this.Checked;
}
set
{
this.Checked =Convert.ToBoolean(value);
}
}
public void ApplyCellStyleToEditingControl(DataGridViewCellStyle dataGridViewCellStyle)
{
this.Font = dataGridViewCellStyle.Font;
}
public bool EditingControlWantsInputKey(Keys key, bool dataGridViewWantsInputKey)
{
// Let the DateTimePicker handle the keys listed.
switch (key & Keys.KeyCode)
{
case Keys.Left:
case Keys.Up:
case Keys.Down:
case Keys.Right:
case Keys.Home:
case Keys.End:
case Keys.PageDown:
case Keys.PageUp:
return true;
default:
return !dataGridViewWantsInputKey;
}
}
//Get
public object GetEditingControlFormattedValue(DataGridViewDataErrorContexts context)
{
return this.Checked;
}
public void PrepareEditingControlForEdit(bool selectAll)
{
// throw new NotImplementedException();
}
//
protected override void OnCheckedChanged(EventArgs eventargs)
{
// Notify the DataGridView that the contents of the cell
// have changed.
valueChanged = true;
this.EditingControlDataGridView.NotifyCurrentCellDirty(true);
base.OnCheckedChanged(eventargs);
}
// Implements the IDataGridViewEditingControl.EditingControlFormattedValue
// property.
}