private void ShiftingSplitter()
{
GridViewInfo viewInfo = gridViewPanel1.GetViewInfo() as GridViewInfo;
int splitterPosition = 0;
height = viewInfo.ViewRects.ColumnPanel.Bottom + 2;
if (viewInfo.GetGridRowInfo(GridControl.AutoFilterRowHandle) != null)
{
height += viewInfo.CalcRowHeight(viewInfo.GInfo.Graphics, GridControl.AutoFilterRowHandle, -1, 0) + 4;
}
splitterPosition = height;
Dictionary <int, int> .ValueCollection values = FixedRows.Values;
for (int i = 0; i < values.Count; i++)
{
height += values.ToArray()[i] + 1;
}
splitterPosition = Math.Max(height, splitterPosition);
if (splitterPosition >= viewInfo.ViewRects.EmptyRows.Bottom)
{
splitterPosition -= viewInfo.ViewRects.EmptyRows.Height;
}
gridSplitContainer1.SplitterPosition = splitterPosition;
splitterPosition -= viewInfo.ViewRects.EmptyRows.Bottom - viewInfo.ViewRects.EmptyRows.Top;
if (viewInfo.ViewRects.EmptyRows.Top != 0)
{
gridSplitContainer1.SplitterPosition = splitterPosition;
}
}
void OnMouseMove(object sender, MouseEventArgs e)
{
GridHitInfo hitInfo = view.CalcHitInfo(e.Location);
if (hitInfo.HitTest == GridHitTest.Row && view.IsGroupRow(hitInfo.RowHandle))
{
GridViewInfo viewInfo = view.GetViewInfo() as GridViewInfo;
GridGroupRowInfo rowInfo = viewInfo.GetGridRowInfo(hitInfo.RowHandle) as GridGroupRowInfo;
GridColumn col = viewInfo.GetNearestColumn(e.Location);
GridColumnInfoArgs args = viewInfo.ColumnsInfo[col];
if (col.VisibleIndex == 0)
{
HotTrackRectangle = new Rectangle(rowInfo.ButtonBounds.Right + 2, rowInfo.Bounds.Y,
args.Bounds.Width + args.Bounds.X - rowInfo.ButtonBounds.Right - 2, rowInfo.Bounds.Height);
}
else
{
HotTrackRectangle = new Rectangle(args.Bounds.X + 2, rowInfo.Bounds.Y,
args.Bounds.Width - 2, rowInfo.Bounds.Height);
}
}
else
{
HotTrackRectangle = Rectangle.Empty;
}
}
private void grid_Paint(object sender, PaintEventArgs e)
{
if (DropTargetRowHandle < 0)
{
return;
}
GridControl grid = (GridControl)sender;
GridView view = (GridView)grid.MainView;
bool isBottomLine = DropTargetRowHandle == view.DataRowCount;
GridViewInfo viewInfo = view.GetViewInfo() as GridViewInfo;
GridRowInfo rowInfo = viewInfo.GetGridRowInfo(isBottomLine ? DropTargetRowHandle - 1 : DropTargetRowHandle);
if (rowInfo == null)
{
return;
}
Point p1, p2;
if (isBottomLine)
{
p1 = new Point(rowInfo.Bounds.Left, rowInfo.Bounds.Bottom - 1);
p2 = new Point(rowInfo.Bounds.Right, rowInfo.Bounds.Bottom - 1);
}
else
{
p1 = new Point(rowInfo.Bounds.Left, rowInfo.Bounds.Top - 1);
p2 = new Point(rowInfo.Bounds.Right, rowInfo.Bounds.Top - 1);
}
e.Graphics.DrawLine(Pens.Blue, p1, p2);
}
public Cursor GetDragCursor(int rowHandle, Point e)
{
GridViewInfo info = _view.GetViewInfo() as GridViewInfo;
GridRowInfo rowInfo = info.GetGridRowInfo(rowHandle);
Bitmap result = GetRowDragBitmap(rowHandle);
Point offset = new Point(rowInfo.Bounds.X, e.Y - rowInfo.Bounds.Y);
return(CursorCreator.CreateCursor(result, offset));
}
private void gridView1_BeforePrintRow(object sender, DevExpress.XtraGrid.Views.Printing.CancelPrintRowEventArgs e)
{
if (e.RowHandle >= 0)
{
if (!(sender is GridView))
{
return;
}
GridView gridView = ((GridView)sender);
DataRowView dataRow = gridView.GetRow(e.RowHandle) as DataRowView;
if (dataRow == null)
{
return;
}
if ((bool)dataRow["Name6"])
{
GridViewInfo vi = (GridViewInfo)gridView.GetViewInfo();
PropertyInfo pi = typeof(BaseView).GetProperty("PrintInfo", BindingFlags.Instance | BindingFlags.NonPublic);
GridViewPrintInfo printInfo = (GridViewPrintInfo)pi.GetValue(gridView, null);
GridRowInfo gridRowInfo = vi.GetGridRowInfo(e.RowHandle);
SizeF clientPageSize = (e.BrickGraphics as BrickGraphics).ClientPageSize;
//Draw other cells
TextBrick tb = new TextBrick();
tb.Style.Padding = new PaddingInfo(2, 0, 0, 0);
tb.BackColor = gridView.Appearance.Row.BackColor;
tb.Text = (string)dataRow["Name1"];
tb.HorzAlignment = HorzAlignment.Near;
float textBrickHeight = vi.ColumnRowHeight;
GridCellInfo info = vi.GetGridCellInfo(e.RowHandle, gridView.Columns[0]);
RectangleF textBrickRect = new RectangleF(e.X, e.Y, printInfo.Columns[0].Bounds.Width, (int)textBrickHeight);
e.BrickGraphics.DrawBrick(tb, textBrickRect);
//Draw merged cells
TextBrick mergedTextBreak = new TextBrick();
mergedTextBreak.Style.Padding = new PaddingInfo(2, 0, 0, 0);
mergedTextBreak.BackColor = gridView.Appearance.Row.BackColor;
mergedTextBreak.Text = (string)dataRow["Name2"];
mergedTextBreak.HorzAlignment = HorzAlignment.Near;
GridCellInfo mergedInfo = vi.GetGridCellInfo(e.RowHandle, gridView.Columns[1]);
RectangleF textMergedBrickRect = new RectangleF(printInfo.Columns[1].Bounds.X, e.Y, ((PrintColumnInfo)printInfo.Columns[printInfo.Columns.Count - 1]).Bounds.Right - printInfo.Columns[0].Bounds.Width, (int)textBrickHeight);
e.BrickGraphics.DrawBrick(mergedTextBreak, textMergedBrickRect);
e.Y += (int)textBrickHeight;
e.Cancel = true;
}
}
}
private GridCellInfoCollection GetMergeCells(int rowHandle, GridColumn column)
{
GridViewInfo viewInfo = gridView1.GetViewInfo() as GridViewInfo;
GridDataRowInfo rowInfo = viewInfo.GetGridRowInfo(rowHandle) as GridDataRowInfo;
if (rowInfo != null)
{
GridCellInfo cellInfo = rowInfo.Cells[column];
if (cellInfo != null && cellInfo.IsMerged)
{
return(cellInfo.MergedCell.MergedCells);
}
}
return(null);
}
public Cursor GetDragCursor(int rowHandle, Point e)
{
GridViewInfo info = _View.GetViewInfo() as GridViewInfo;
GridRowInfo rowInfo = info.GetGridRowInfo(rowHandle);
Rectangle imageBounds = new Rectangle(new Point(0, 0), rowInfo.TotalBounds.Size);
Rectangle totalBounds = new Rectangle(new Point(0, 0), info.Bounds.Size);
Bitmap bitmap = new Bitmap(totalBounds.Width, totalBounds.Height);
//Grid
Bitmap gridBitmap = new Bitmap(totalBounds.Width, totalBounds.Height);
Rectangle rectBound = _View.GridControl.Bounds;
rectBound.X = 0;
rectBound.Y = 0;
_View.GridControl.DrawToBitmap(gridBitmap, rectBound);
DevExpress.Utils.Drawing.GraphicsCache cache = new DevExpress.Utils.Drawing.GraphicsCache(Graphics.FromImage(bitmap));
GridViewDrawArgs args = new GridViewDrawArgs(cache, info, totalBounds);
DrawRow(args, rowInfo);
Bitmap result = new Bitmap(imageBounds.Width, imageBounds.Height);
Graphics resultGraphics = Graphics.FromImage(result);
float[][] matrixItems =
{
new float[] { 1, 0, 0, 0, 0 },
new float[] { 0, 1, 0, 0, 0 },
new float[] { 0, 0, 1, 0, 0 },
new float[] { 0, 0, 0, 0.7f, 0 },
new float[] { 0, 0, 0, 0, 1 }
};
ColorMatrix colorMatrix = new ColorMatrix(matrixItems);
ImageAttributes imageAttributes = new ImageAttributes();
imageAttributes.SetColorMatrix(
colorMatrix,
ColorMatrixFlag.Default,
ColorAdjustType.Bitmap);
resultGraphics.DrawImage(gridBitmap, imageBounds, rowInfo.TotalBounds.X, rowInfo.TotalBounds.Y, rowInfo.TotalBounds.Width, rowInfo.TotalBounds.Height, GraphicsUnit.Pixel, imageAttributes);
Point offset = new Point(e.X - rowInfo.TotalBounds.X, e.Y - rowInfo.TotalBounds.Y);
//result.Save("file" + DateTime.Now.Millisecond + ".bmp");
return(CreateCursor(result, offset));
}
private void bidGridView_CustomDrawCell(object sender, RowCellCustomDrawEventArgs e)
{
if (e.Column == this.gcAmount2)
{
GridViewInfo gvi = (GridViewInfo)this.bidGridView.GetViewInfo();
GridRowInfo gri = gvi.GetGridRowInfo(e.RowHandle);
OrderBookEntry ee = (OrderBookEntry)this.bidGridView.GetRow(e.RowHandle);
if (ee == null)
{
return;
}
int height = ScaleUtils.ScaleValue(3);
int width = (int)(gri.Bounds.Width * ee.VolumePercent + 0.5f);
e.Cache.FillRectangle(Color.FromArgb(0x20, Exchange.BidColor), new Rectangle(gri.Bounds.Right - width, gri.Bounds.Y, width, gri.Bounds.Height));
}
}
public Bitmap GetRowDragBitmap(int rowHandle)
{
Bitmap bmpView = null;
Bitmap bmpRow = null;
GridViewInfo info = _view.GetViewInfo() as GridViewInfo;
Rectangle totalBounds = info.Bounds;
GridRowInfo ri = info.GetGridRowInfo(rowHandle);
Rectangle imageBounds = new Rectangle(new Point(0, 0), ri.Bounds.Size);
try
{
bmpView = new Bitmap(totalBounds.Width, totalBounds.Height);
using (Graphics gView = Graphics.FromImage(bmpView))
{
using (XtraBufferedGraphics grView = XtraBufferedGraphicsManager.Current.Allocate(gView, new Rectangle(Point.Empty, bmpView.Size)))
{
Color color = ri.Appearance.BackColor == Color.Transparent ? Color.White : ri.Appearance.BackColor;
grView.Graphics.Clear(color);
IntPtr handle = View.GridControl.Handle;
DXPaintEventArgs paintArgs = new DXPaintEventArgs(new PaintEventArgs(grView.Graphics, totalBounds), handle);
DevExpress.Utils.Drawing.GraphicsCache cache = new DevExpress.Utils.Drawing.GraphicsCache(paintArgs);
GridViewDrawArgs args = new GridViewDrawArgs(cache, info, totalBounds);
DrawRow(args, ri);
grView.Graphics.FillRectangle(args.Cache.GetSolidBrush(Color.Transparent), ri.Bounds);
grView.Render();
bmpRow = new Bitmap(ri.Bounds.Width, ri.Bounds.Height);
using (Graphics gRow = Graphics.FromImage(bmpRow))
{
using (XtraBufferedGraphics grRow = XtraBufferedGraphicsManager.Current.Allocate(gRow, new Rectangle(Point.Empty, bmpRow.Size)))
{
grRow.Graphics.Clear(color);
grRow.Graphics.DrawImage(bmpView, imageBounds, ri.Bounds, GraphicsUnit.Pixel);
grRow.Render();
}
}
}
}
}
catch
{
}
return(bmpRow);
}
public Rectangle GetAutoFilterRowBounds()
{
GridViewInfo viewInfo = _View.GetViewInfo() as GridViewInfo;
GridDataRowInfo rowInfo = viewInfo.GetGridRowInfo(GridControl.AutoFilterRowHandle) as GridDataRowInfo;
if (rowInfo == null || (rowInfo.RowState & GridRowCellState.Focused) != 0)
{
return(Rectangle.Empty);
}
Rectangle r = rowInfo.DataBounds;
if (r.X < viewInfo.ViewRects.ColumnPanelLeft)
{
r.X = viewInfo.ViewRects.ColumnPanelLeft;
}
if (r.Right > viewInfo.ViewRects.Rows.Right)
{
r.Width = viewInfo.ViewRects.Rows.Right - r.X;
}
return(r);
}
public Cursor GetDragRowCursor(int rowHandle, Point e)
{
GridViewInfo info = _View.GetViewInfo() as GridViewInfo;
GridRowInfo rowInfo = info.GetGridRowInfo(rowHandle);
if (rowInfo == null)
{
return(Cursor.Current);
}
Rectangle imageBounds = new Rectangle(new Point(0, 0), rowInfo.TotalBounds.Size);
Rectangle totalBounds = new Rectangle(new Point(0, 0), info.Bounds.Size);
Bitmap bitmap = new Bitmap(totalBounds.Width, totalBounds.Height);
DevExpress.Utils.Drawing.GraphicsCache cache = new DevExpress.Utils.Drawing.GraphicsCache(Graphics.FromImage(bitmap));
GridViewDrawArgs args = new GridViewDrawArgs(cache, info, totalBounds);
DrawRow(args, rowInfo);
Bitmap result = new Bitmap(imageBounds.Width, imageBounds.Height);
Graphics resultGraphics = Graphics.FromImage(result);
float[][] matrixItems =
{
new float[] { 1, 0, 0, 0, 0 },
new float[] { 0, 1, 0, 0, 0 },
new float[] { 0, 0, 1, 0, 0 },
new float[] { 0, 0, 0, 0.7f, 0 },
new float[] { 0, 0, 0, 0, 1 }
};
ColorMatrix colorMatrix = new ColorMatrix(matrixItems);
ImageAttributes imageAttributes = new ImageAttributes();
imageAttributes.SetColorMatrix(
colorMatrix,
ColorMatrixFlag.Default,
ColorAdjustType.Bitmap);
resultGraphics.DrawImage(bitmap, imageBounds, rowInfo.TotalBounds.X, rowInfo.TotalBounds.Y, rowInfo.TotalBounds.Width, rowInfo.TotalBounds.Height, GraphicsUnit.Pixel, imageAttributes);
resultGraphics.DrawIcon(Icon.FromHandle(Cursors.Default.Handle), 0, 0);
return(CreateCursor(result));
}
void GridControl_Paint(object sender, PaintEventArgs e)
{
if (_downHitInfo == null)
{
return;
}
GridControl grid = (GridControl)sender;
GridView view = (GridView)grid.MainView;
bool isBottomLine = DropTargetRowHandle == view.DataRowCount;
GridViewInfo viewInfo = view.GetViewInfo() as GridViewInfo;
GridRowInfo rowInfo = viewInfo.GetGridRowInfo(isBottomLine ? DropTargetRowHandle - 1 : DropTargetRowHandle);
if (rowInfo == null)
{
return;
}
Point p1, p2;
if (isBottomLine)
{
p1 = new Point(rowInfo.Bounds.Left, rowInfo.Bounds.Bottom - 1);
p2 = new Point(rowInfo.Bounds.Right, rowInfo.Bounds.Bottom - 1);
}
else
{
p1 = new Point(rowInfo.Bounds.Left, rowInfo.Bounds.Top - 1);
p2 = new Point(rowInfo.Bounds.Right, rowInfo.Bounds.Top - 1);
}
Pen pen = new Pen(ColorTranslator.FromHtml("#2091E1"), 3);
e.Graphics.DrawLine(pen, p1, p2);
}
public Cursor GetDragRowsCursor(int[] rowHandles, Point poi)
{
if (rowHandles == null || rowHandles.Length == 0)
{
return(Cursor.Current);
}
//return DevExpress.Utils.DragAndDropCursors.MoveEffectCursor;
GridViewInfo vi = _View.GetViewInfo() as GridViewInfo;
//需要绘制的第一行（选中并且grid中显示的）
var topRowInfo = vi.GetGridRowInfo(new[] { rowHandles.Min(), _View.TopRowIndex }.Max());
//需要绘制的最后一行 （选中并且grid中显示的）
var btmRowInfo = vi.GetGridRowInfo(new[] { rowHandles.Max(), vi.RowsInfo.Max(x => x.VisibleIndex) }.Min());
//没有显示选中行
if (topRowInfo == null || btmRowInfo == null)
{
return(Cursor.Current);
}
//所有选中行的高度和
var height = Rectangle.Union(topRowInfo.Bounds, btmRowInfo.Bounds).Size.Height;
//所有列的宽度和
var width = vi.ColumnsInfo.Where(x => x.Type == GridColumnInfoType.Indicator || x.Type == GridColumnInfoType.Column).Sum(x => x.Bounds.Width);
//最终图像的矩形
var imageBounds = new Rectangle(new Point(0, 0), new Size(width, height));
//绘制
var imgTmp = new Bitmap(imageBounds.Width, imageBounds.Height);
using (var gTmp = Graphics.FromImage(imgTmp))
{
//draw control to bitmap
var ctrl = _View.GridControl;
var imgControl = new Bitmap(ctrl.Width, ctrl.Height);
ctrl.DrawToBitmap(imgControl, new Rectangle(0, 0, imgControl.Width, imgControl.Height));
//从整个grid图像中截取需要的图像
gTmp.DrawImage(imgControl,
new Rectangle(0, 0, imgTmp.Width, imgTmp.Height),
new Rectangle(topRowInfo.Bounds.X, topRowInfo.Bounds.Y, imgTmp.Width, imgTmp.Height),
GraphicsUnit.Pixel);
}
//1/3比例缩放图片
var img = new Bitmap(imgTmp, new Size(imgTmp.Width / 3, (imgTmp.Height / 3)));
var imgCur = Icon.FromHandle(DevExpress.Utils.DragCursors.HandDragCursor.Handle);
//最终返回的图像
var imgRes = new Bitmap(img.Width + imgCur.Width, img.Height + imgCur.Height);
using (var gRes = Graphics.FromImage(imgRes))
{
//将之前处理完成的图像绘制到新的图片中
gRes.DrawImage(img, new Rectangle(new Point(imgCur.Width, imgCur.Height), img.Size));
//将鼠标指针绘制到左上角
gRes.DrawIcon(imgCur, 0, 0);
}
//从bitmap创建cursor
return(CreateCursor(imgRes, imgCur.Width / 2, imgCur.Height / 2));
}
