private void DrawChooseGroupRowEventMethod(object sender, DevExpress.XtraGrid.Views.Base.RowObjectCustomDrawEventArgs e)
{
e.Painter.DrawObject(e.Info);
if (this.AllowChooseGroup)
{
var repositoryCheck = new DevExpress.XtraEditors.Repository.RepositoryItemCheckEdit();
repositoryCheck.Caption = "";
repositoryCheck.GlyphAlignment = DevExpress.Utils.HorzAlignment.Far;
var info = repositoryCheck.CreateViewInfo() as DevExpress.XtraEditors.ViewInfo.CheckEditViewInfo;
var painter = repositoryCheck.CreatePainter() as DevExpress.XtraEditors.Drawing.CheckEditPainter;
int start = this.GetDataRowHandleByGroupRowHandle(e.RowHandle);
int end = ((GroupSummaryDataType)this.GetGroupSummaryValue(e.RowHandle, GroupChooseNeedSummary)).end;
int count = ((GroupSummaryDataType)this.GetGroupSummaryValue(e.RowHandle, GroupChooseNeedSummary)).choosecount;
if (count == end - start + 1)
{
info.EditValue = true;
}
else if (count == 0)
{
info.EditValue = false;
}
else
{
info.EditValue = null;
}
info.Bounds = e.Bounds;
info.CalcViewInfo(e.Graphics);
groupCheckBoxPosition = e.Bounds.Left + e.Bounds.Width;
var args = new DevExpress.XtraEditors.Drawing.ControlGraphicsInfoArgs(info, new DevExpress.Utils.Drawing.GraphicsCache(e.Graphics), e.Bounds);
painter.Draw(args);
args.Cache.Dispose();
}
e.Handled = true;
}
/// <summary>
/// 列头画多选框
/// </summary>
/// <param name="e"></param>
/// <param name="chk"></param>
private static void DrawCheckBox(DevExpress.XtraGrid.Views.Grid.ColumnHeaderCustomDrawEventArgs e, bool chk)
{
try
{
DevExpress.XtraEditors.Repository.RepositoryItemCheckEdit repositoryCheck = e.Column.ColumnEdit as DevExpress.XtraEditors.Repository.RepositoryItemCheckEdit;
if (repositoryCheck != null)
{
System.Drawing.Graphics g = e.Graphics;
System.Drawing.Rectangle r = e.Bounds;
DevExpress.XtraEditors.ViewInfo.CheckEditViewInfo info;
DevExpress.XtraEditors.Drawing.CheckEditPainter painter;
DevExpress.XtraEditors.Drawing.ControlGraphicsInfoArgs args;
info = repositoryCheck.CreateViewInfo() as DevExpress.XtraEditors.ViewInfo.CheckEditViewInfo;
painter = repositoryCheck.CreatePainter() as DevExpress.XtraEditors.Drawing.CheckEditPainter;
info.EditValue = chk;
info.Bounds = r;
info.CalcViewInfo(g);
args = new DevExpress.XtraEditors.Drawing.ControlGraphicsInfoArgs(info, new DevExpress.Utils.Drawing.GraphicsCache(g), r);
painter.Draw(args);
args.Cache.Dispose();
}
}
catch
{
}
}
private void CustomDrawChooseColumnHeaderEventMethod(object sender, DevExpress.XtraGrid.Views.Grid.ColumnHeaderCustomDrawEventArgs e)
{
if (this.AllowChoose && e.Column != null && e.Column.FieldName == ChooseColumnName)
{
e.Info.InnerElements.Clear();
e.Info.Caption = "";
e.Painter.DrawObject(e.Info);
var repositoryCheck = new DevExpress.XtraEditors.Repository.RepositoryItemCheckEdit();
repositoryCheck.Caption = "";
var info = repositoryCheck.CreateViewInfo() as DevExpress.XtraEditors.ViewInfo.CheckEditViewInfo;
var painter = repositoryCheck.CreatePainter() as DevExpress.XtraEditors.Drawing.CheckEditPainter;
if (this.ChooseCount == this.DataRowCount)
{
info.EditValue = true;
}
else if (this.ChooseCount > 0)
{
info.EditValue = null;
}
else
{
info.EditValue = false;
}
info.Bounds = e.Bounds;
info.CalcViewInfo(e.Graphics);
var args = new DevExpress.XtraEditors.Drawing.ControlGraphicsInfoArgs(info, new DevExpress.Utils.Drawing.GraphicsCache(e.Graphics), e.Bounds);
painter.Draw(args);
args.Cache.Dispose();
e.Handled = true;
}
}