本文整理汇总了C#中Aga.Controls.Tree.DrawContext类的典型用法代码示例。如果您正苦于以下问题：C# DrawContext类的具体用法？C# DrawContext怎么用？C# DrawContext使用的例子？那么恭喜您, 这里精选的类代码示例或许可以为您提供帮助。
DrawContext类属于Aga.Controls.Tree命名空间，在下文中一共展示了DrawContext类的20个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于我们的系统推荐出更棒的C#代码示例。
示例1: Draw
public override void Draw(TreeNodeAdv node, DrawContext context)
{
Graphics g = context.Graphics;
Rectangle targetRect = new Rectangle(
context.Bounds.X + this.LeftMargin,
context.Bounds.Y,
context.Bounds.Width - this.LeftMargin,
context.Bounds.Height);
// Retrieve item information
PackageItem item = node.Tag as PackageItem;
Image typeIcon = null;
if (item != null)
{
switch (item.Type)
{
case PackageItem.PackageType.Core:
typeIcon = PackageManagerFrontendResCache.IconCore;
break;
case PackageItem.PackageType.Editor:
typeIcon = PackageManagerFrontendResCache.IconEditor;
break;
case PackageItem.PackageType.Sample:
typeIcon = PackageManagerFrontendResCache.IconSample;
break;
}
}
if (typeIcon == null) return;
// Draw icon centered
Point iconPos = new Point(
targetRect.X + targetRect.Width / 2 - typeIcon.Width / 2,
targetRect.Y + targetRect.Height / 2 - typeIcon.Height / 2);
g.DrawImageUnscaled(typeIcon, iconPos.X, iconPos.Y);
}
开发者ID:ninja2003，项目名称:duality，代码行数:35，代码来源:DualityPackageTypeNodeControl.cs
示例2: AutoSizeColumn
public void AutoSizeColumn(TreeColumn column)
{
if (!Columns.Contains(column))
throw new ArgumentException("column");
DrawContext context = new DrawContext();
context.Graphics = Graphics.FromImage(new Bitmap(1, 1));
context.Font = this.Font;
int res = 0;
for (int row = 0; row < RowCount; row++)
{
if (row < RowMap.Count)
{
int w = 0;
TreeNodeAdv node = RowMap[row];
foreach (NodeControl nc in NodeControls)
{
if (nc.ParentColumn == column)
w += nc.GetActualSize(node, _measureContext).Width;
}
res = Math.Max(res, w);
}
}
if (res > 0)
column.Width = res;
}
开发者ID:ldh9451，项目名称:XLE，代码行数:27，代码来源:TreeViewAdv.Draw.cs
示例3: AutoHeaderHeightLayout
public AutoHeaderHeightLayout(TreeViewAdv treeView, int headerHeight)
{
_treeView = treeView;
PreferredHeaderHeight = headerHeight;
_measureContext = new DrawContext();
_measureContext.Graphics = Graphics.FromImage(new Bitmap(1, 1));
}
开发者ID:montague247，项目名称:treeviewadv，代码行数:7，代码来源:AutoHeaderHeightLayout.cs
示例4: DrawNode
public void DrawNode(TreeNodeAdv node, DrawContext context)
{
foreach (NodeControlInfo item in GetNodeControls(node))
{
if (item.Bounds.X >= OffsetX && item.Bounds.X - OffsetX < this.Bounds.Width)// skip invisible nodes
{
if (!DragMode)
{
if (ColumnSelectionMode == ColumnSelectionMode.All)
{
if (node.IsSelected && Focused)
context.DrawSelection = DrawSelectionMode.Active;
else if (node.IsSelected && !Focused && !HideSelection)
context.DrawSelection = DrawSelectionMode.Inactive;
}
else
{
bool selectedColumn = ((item.Control != null) && (item.Control.ParentColumn != null) && (this.SelectedColumnIndex == item.Control.ParentColumn.Index));
if (node.IsSelected && Focused && selectedColumn)
context.DrawSelection = DrawSelectionMode.Active;
else if (node.IsSelected && !Focused && !HideSelection && selectedColumn)
context.DrawSelection = DrawSelectionMode.Inactive;
else
context.DrawSelection = DrawSelectionMode.None;
}
}
context.Bounds = item.Bounds;
context.Graphics.SetClip(context.Bounds);
item.Control.Draw(node, context);
context.Graphics.ResetClip();
}
}
}
开发者ID:redoz，项目名称:bitdiffer，代码行数:34，代码来源:TreeViewAdv.Draw.cs
示例5: AutoRowHeightLayout
public AutoRowHeightLayout(TreeViewAdv treeView, int rowHeight)
{
_rowCache = new List<Rectangle>();
_treeView = treeView;
PreferredRowHeight = rowHeight;
_measureContext = new DrawContext();
_measureContext.Graphics = Graphics.FromImage(new Bitmap(1, 1));
}
开发者ID:john-peterson，项目名称:processhacker，代码行数:8，代码来源:AutoRowHeightLayout.cs
示例6: TreeViewRowDrawEventArgs
public TreeViewRowDrawEventArgs(Graphics graphics, Rectangle clipRectangle, TreeNodeAdv node, DrawContext context, int row, Rectangle rowRect)
: base(graphics, clipRectangle)
{
_node = node;
_context = context;
_row = row;
_rowRect = rowRect;
}
开发者ID:ASK-sa，项目名称:ASK.ServEasy，代码行数:8，代码来源:TreeViewRowDrawEventArgs.cs
示例7: DrawNode
public void DrawNode(TreeNodeAdv node, DrawContext context)
{
foreach (NodeControlInfo item in GetNodeControls(node))
{
context.Bounds = item.Bounds;
context.Graphics.SetClip(context.Bounds);
item.Control.Draw(node, context);
context.Graphics.ResetClip();
}
}
开发者ID:segafan，项目名称:wme1_jankavan_tlc_edition-repo，代码行数:10，代码来源:TreeViewAdv.Draw.cs
示例8: Draw
public override void Draw(TreeNodeAdv node, DrawContext context)
{
Graphics g = context.Graphics;
Rectangle targetRect = new Rectangle(
context.Bounds.X + this.LeftMargin,
context.Bounds.Y,
context.Bounds.Width - this.LeftMargin,
context.Bounds.Height);
// Retrieve item information
PackageItem item = node.Tag as PackageItem;
if (item == null) return;
string headline = null;
string summary = null;
if (item != null)
{
headline = item.Title;
if (item.ItemPackageInfo != null)
{
summary = item.ItemPackageInfo.Summary;
}
}
// Calculate drawing layout and data
StringFormat headlineFormat = new StringFormat { Trimming = StringTrimming.EllipsisCharacter, FormatFlags = StringFormatFlags.NoWrap };
StringFormat summaryFormat = new StringFormat { Trimming = StringTrimming.EllipsisCharacter, FormatFlags = StringFormatFlags.LineLimit };
Rectangle headlineRect;
Rectangle summaryRect;
{
SizeF headlineSize;
SizeF summarySize;
// Base info
{
headlineSize = g.MeasureString(headline, context.Font, targetRect.Width, headlineFormat);
headlineRect = new Rectangle(targetRect.X, targetRect.Y, targetRect.Width, (int)headlineSize.Height + 2);
summaryRect = new Rectangle(targetRect.X, targetRect.Y + headlineRect.Height, targetRect.Width, targetRect.Height - headlineRect.Height);
summarySize = g.MeasureString(summary, context.Font, summaryRect.Size, summaryFormat);
}
// Alignment info
{
Size totelContentSize = new Size(Math.Max(headlineRect.Width, summaryRect.Width), headlineRect.Height + (int)summarySize.Height);
Point alignAdjust = new Point(0, Math.Max((targetRect.Height - totelContentSize.Height) / 2, 0));
headlineRect.X += alignAdjust.X;
headlineRect.Y += alignAdjust.Y;
summaryRect.X += alignAdjust.X;
summaryRect.Y += alignAdjust.Y;
}
}
Color textColor = this.Parent.ForeColor;
g.DrawString(headline, context.Font, new SolidBrush(Color.FromArgb(context.Enabled ? 255 : 128, textColor)), headlineRect, headlineFormat);
g.DrawString(summary, context.Font, new SolidBrush(Color.FromArgb(context.Enabled ? 128 : 64, textColor)), summaryRect, summaryFormat);
}
开发者ID:Scottyaim，项目名称:duality，代码行数:55，代码来源:DualityPackageSummaryNodeControl.cs
示例9: DrawRow
private void DrawRow(PaintEventArgs e, ref DrawContext context, int row, Rectangle rowRect)
{
TreeNodeAdv node = this.RowMap[row];
context.DrawSelection = DrawSelectionMode.None;
context.CurrentEditorOwner = _currentEditorOwner;
bool focused = this.Focused;
if (node.IsSelected && focused)
{
context.DrawSelection = DrawSelectionMode.Active;
}
else if (node.IsSelected && !focused && !this.HideSelection)
{
context.DrawSelection = DrawSelectionMode.Inactive;
}
Rectangle focusRect = new Rectangle(OffsetX, rowRect.Y, this.Width - (this._vScrollBar.Visible ? this._vScrollBar.Width : 0), rowRect.Height);
context.DrawFocus = false;
if (context.DrawSelection != DrawSelectionMode.Active)
{
using (SolidBrush b = new SolidBrush(node.BackColor))
{
e.Graphics.FillRectangle(b, focusRect);
}
}
if (context.DrawSelection == DrawSelectionMode.Active || context.DrawSelection == DrawSelectionMode.Inactive)
{
if (context.DrawSelection == DrawSelectionMode.Active)
{
context.DrawSelection = DrawSelectionMode.FullRowSelect;
if (ExplorerVisualStyle.VisualStylesEnabled)
{
ExplorerVisualStyle.TvItemSelectedRenderer.DrawBackground(context.Graphics, focusRect);
}
else
{
e.Graphics.FillRectangle(SystemBrushes.Highlight, focusRect);
}
}
else
{
context.DrawSelection = DrawSelectionMode.None;
}
}
this.DrawNode(node, context);
}
开发者ID:john-peterson，项目名称:processhacker，代码行数:53，代码来源:TreeViewAdv.Draw.cs
示例10: OnPaint
protected override void OnPaint(PaintEventArgs e)
{
// BeginPerformanceCount();
// PerformanceAnalyzer.Start("OnPaint");
DrawContext context = new DrawContext();
context.Graphics = e.Graphics;
context.Font = this.Font;
context.Enabled = Enabled;
int y = 0;
int gridHeight = 0;
if (UseColumns)
{
DrawColumnHeaders(e.Graphics);
y += ColumnHeaderHeight;
if (Columns.Count == 0 || e.ClipRectangle.Height <= y)
return;
}
int firstRowY = _rowLayout.GetRowBounds(FirstVisibleRow).Y;
y -= firstRowY;
e.Graphics.ResetTransform();
e.Graphics.TranslateTransform(-OffsetX, y);
Rectangle displayRect = DisplayRectangle;
for (int row = FirstVisibleRow; row < RowCount; row++)
{
Rectangle rowRect = _rowLayout.GetRowBounds(row);
gridHeight += rowRect.Height;
if (rowRect.Y + y > displayRect.Bottom)
break;
else
DrawRow(e, ref context, row, rowRect);
}
if ((GridLineStyle & GridLineStyle.Vertical) == GridLineStyle.Vertical && UseColumns)
DrawVerticalGridLines(e.Graphics, firstRowY);
if (_dropPosition.Node != null && DragMode && HighlightDropPosition)
DrawDropMark(e.Graphics);
e.Graphics.ResetTransform();
DrawScrollBarsBox(e.Graphics);
if (DragMode && _dragBitmap != null)
e.Graphics.DrawImage(_dragBitmap, PointToClient(MousePosition));
// PerformanceAnalyzer.Finish("OnPaint");
// EndPerformanceCount(e);
}
开发者ID:ldh9451，项目名称:XLE，代码行数:52，代码来源:TreeViewAdv.Draw.cs
示例11: DrawNode
public void DrawNode(TreeNodeAdv node, DrawContext context)
{
foreach (NodeControlInfo item in GetNodeControls(node))
{
if (item.Bounds.Right >= OffsetX && item.Bounds.X - OffsetX < this.Bounds.Width)// skip invisible nodes
{
context.Bounds = item.Bounds;
context.Graphics.SetClip(context.Bounds);
item.Control.Draw(node, context);
context.Graphics.ResetClip();
}
}
}
开发者ID:ldh9451，项目名称:XLE，代码行数:13，代码来源:TreeViewAdv.Draw.cs
示例12: TreeViewAdv
public TreeViewAdv()
{
InitializeComponent();
SetStyle(ControlStyles.AllPaintingInWmPaint
| ControlStyles.UserPaint
| ControlStyles.OptimizedDoubleBuffer
| ControlStyles.ResizeRedraw
| ControlStyles.Selectable
, true);
if (Environment.OSVersion.Version.Major < 6)
{
if (Application.RenderWithVisualStyles)
_columnHeaderHeight = 20;
else
_columnHeaderHeight = 17;
}
else
{
if (Application.RenderWithVisualStyles)
_columnHeaderHeight = 25;
else
_columnHeaderHeight = 17;
}
_hScrollBar.Height = SystemInformation.HorizontalScrollBarHeight;
_vScrollBar.Width = SystemInformation.VerticalScrollBarWidth;
_rowLayout = new FixedRowHeightLayout(this, RowHeight);
_rowMap = new List<TreeNodeAdv>();
_selection = new List<TreeNodeAdv>();
_readonlySelection = new ReadOnlyCollection<TreeNodeAdv>(_selection);
_columns = new TreeColumnCollection(this);
_toolTip = new ToolTip();
_measureContext = new DrawContext();
_measureContext.Font = Font;
_measureContext.Graphics = Graphics.FromImage(new Bitmap(1, 1));
Input = new NormalInputState(this);
_search = new IncrementalSearch(this);
CreateNodes();
CreatePens();
ArrangeControls();
_plusMinus = new NodePlusMinus(this);
_controls = new NodeControlsCollection(this);
Font = _font;
ExpandingIcon.IconChanged += ExpandingIconChanged;
}
开发者ID:RoDaniel，项目名称:featurehouse，代码行数:51，代码来源:TreeViewAdv.cs
示例13: OnPaint
protected override void OnPaint(PaintEventArgs e)
{
#if DEBUG
this.BeginPerformanceCount();
#endif
DrawContext context = new DrawContext
{
Graphics = e.Graphics,
Font = this.Font,
Enabled = Enabled
};
this.DrawColumnHeaders(e.Graphics);
int y = this.ColumnHeaderHeight;
if (this.Columns.Count == 0 || e.ClipRectangle.Height <= y)
return;
int firstRowY = _rowLayout.GetRowBounds(this.FirstVisibleRow).Y;
y -= firstRowY;
e.Graphics.ResetTransform();
e.Graphics.TranslateTransform(-OffsetX, y);
Rectangle displayRect = e.ClipRectangle;
for (int row = this.FirstVisibleRow; row < this.RowCount; row++)
{
Rectangle rowRect = _rowLayout.GetRowBounds(row);
if (rowRect.Y + y > displayRect.Bottom)
break;
this.DrawRow(e, ref context, row, rowRect);
}
e.Graphics.ResetTransform();
this.DrawScrollBarsBox(e.Graphics);
#if DEBUG
this.EndPerformanceCount(e);
#endif
}
开发者ID:john-peterson，项目名称:processhacker，代码行数:46，代码来源:TreeViewAdv.Draw.cs
示例14: Draw
public override void Draw(TreeNodeAdv node, DrawContext context)
{
PlotterInfo info = GetValue(node) as PlotterInfo;
if (_plotter == null)
{
_plotter = new Plotter
{
BackColor = Color.Black,
ShowGrid = false,
OverlaySecondLine = false
};
}
if (info.UseLongData)
{
_plotter.UseLongData = true;
_plotter.LongData1 = info.LongData1;
_plotter.LongData2 = info.LongData2;
}
else
{
_plotter.UseLongData = false;
_plotter.Data1 = info.Data1;
_plotter.Data2 = info.Data2;
}
_plotter.UseSecondLine = info.UseSecondLine;
_plotter.OverlaySecondLine = info.OverlaySecondLine;
_plotter.LineColor1 = info.LineColor1;
_plotter.LineColor2 = info.LineColor2;
if ((_plotter.Width != context.Bounds.Width - 1 ||
_plotter.Height != context.Bounds.Height - 1) &&
context.Bounds.Width > 1 && context.Bounds.Height > 1)
_plotter.Size = new Size(context.Bounds.Width - 1, context.Bounds.Height - 1);
_plotter.Draw();
using (Bitmap b = new Bitmap(_plotter.Width, _plotter.Height))
{
_plotter.DrawToBitmap(b, new Rectangle(0, 0, b.Width, b.Height));
context.Graphics.DrawImage(b, context.Bounds.Location);
}
}
开发者ID:john-peterson，项目名称:processhacker，代码行数:46，代码来源:NodePlotter.cs
示例15: OnPaint
protected override void OnPaint(PaintEventArgs e)
{
BeginPerformanceCount();
DrawContext context = new DrawContext();
context.Graphics = e.Graphics;
context.Font = this.Font;
context.Enabled = Enabled;
int y = 0;
if (HeaderStyle != ColumnHeaderStyle.None)
{
DrawColumnHeaders(e.Graphics);
y += ColumnHeaderHeight;
if (Columns.Count == 0 /*|| e.ClipRectangle.Height <= y*/)
return;
}
y -= _rowLayout.GetRowBounds(FirstVisibleRow).Y;
e.Graphics.ResetTransform();
e.Graphics.TranslateTransform(-OffsetX, y);
Rectangle displayRect = DisplayRectangle;
for (int row = FirstVisibleRow; row < RowCount; row++)
{
Rectangle rowRect = _rowLayout.GetRowBounds(row);
if (rowRect.Y + y > displayRect.Bottom)
break;
else
DrawRow(e, ref context, row, rowRect);
}
if (Search.IsActive)
Search.Draw(context);
if (_dropPosition.Node != null && DragMode)
DrawDropMark(e.Graphics);
e.Graphics.ResetTransform();
DrawScrollBarsBox(e.Graphics);
if (DragMode && _dragBitmap != null)
e.Graphics.DrawImage(_dragBitmap, PointToClient(MousePosition));
EndPerformanceCount(e);
}
开发者ID:segafan，项目名称:wme1_jankavan_tlc_edition-repo，代码行数:45，代码来源:TreeViewAdv.Draw.cs
示例16: Draw
public override void Draw(TreeNodeAdv node, DrawContext context)
{
Graphics g = context.Graphics;
Rectangle targetRect = new Rectangle(
context.Bounds.X + this.LeftMargin,
context.Bounds.Y,
context.Bounds.Width - this.LeftMargin,
context.Bounds.Height);
// Retrieve item information
PackageItem item = node.Tag as PackageItem;
if (item == null) return;
DateTime date = item.ItemPackageInfo.PublishDate;
bool isOld = (DateTime.Now - date).TotalDays > 180;
string yearText = date.ToString("yyyy");
string dayText = date.ToString("MMM dd");
// Determine layout and drawing info
SizeF yearTextSize = g.MeasureString(yearText, context.Font);
SizeF dayTextSize = g.MeasureString(dayText, context.Font);
Size totalTextSize = new Size(
(int)Math.Max(yearTextSize.Width, dayTextSize.Width),
(int)(yearTextSize.Height + dayTextSize.Height));
Rectangle yearTextRect = new Rectangle(
targetRect.X,
targetRect.Y + Math.Max((targetRect.Height - totalTextSize.Height) / 2, 0),
targetRect.Width,
(int)yearTextSize.Height);
Rectangle dayTextRect = new Rectangle(
targetRect.X,
targetRect.Y + (int)yearTextSize.Height + Math.Max((targetRect.Height - totalTextSize.Height) / 2, 0),
targetRect.Width,
targetRect.Height - (int)yearTextSize.Height);
StringFormat stringFormat = new StringFormat
{
Trimming = StringTrimming.EllipsisCharacter,
Alignment = StringAlignment.Center,
FormatFlags = StringFormatFlags.NoWrap
};
// Draw date text
g.DrawString(yearText, context.Font, new SolidBrush(Color.FromArgb((isOld ? 128 : 255) / (context.Enabled ? 1 : 2), this.Parent.ForeColor)), yearTextRect, stringFormat);
g.DrawString(dayText, context.Font, new SolidBrush(Color.FromArgb((isOld ? 128 : 255) / (context.Enabled ? 1 : 2), this.Parent.ForeColor)), dayTextRect, stringFormat);
}
开发者ID:ChrisLakeZA，项目名称:duality，代码行数:45，代码来源:DualityPackageDateNodeControl.cs
示例17: TreeViewAdv
public TreeViewAdv()
{
InitializeComponent();
SetStyle(ControlStyles.AllPaintingInWmPaint
| ControlStyles.UserPaint
| ControlStyles.OptimizedDoubleBuffer
| ControlStyles.ResizeRedraw
| ControlStyles.Selectable
, true);
if (Application.RenderWithVisualStyles)
_columnHeaderHeight = 20;
else
_columnHeaderHeight = 17;
BorderStyle = BorderStyle.Fixed3D;
_hScrollBar.Height = SystemInformation.HorizontalScrollBarHeight;
_vScrollBar.Width = SystemInformation.VerticalScrollBarWidth;
_rowLayout = new FixedRowHeightLayout(this, RowHeight);
_rowMap = new List<TreeNodeAdv>();
_selection = new List<TreeNodeAdv>();
_readonlySelection = new ReadOnlyCollection<TreeNodeAdv>(_selection);
_columns = new TreeColumnCollection(this);
_toolTip = new ToolTip();
_dragTimer = new Timer();
_dragTimer.Interval = 100;
_dragTimer.Tick += new EventHandler(DragTimerTick);
_measureContext = new DrawContext();
_measureContext.Font = Font;
_measureContext.Graphics = Graphics.FromImage(new Bitmap(1, 1));
Input = new NormalInputState(this);
Search = new IncrementalSearch();
CreateNodes();
CreatePens();
ArrangeControls();
_plusMinus = new NodePlusMinus();
_controls = new NodeControlsCollection(this);
}
开发者ID:virl，项目名称:yttrium，代码行数:42，代码来源:TreeViewAdv.cs
示例18: Draw
public virtual void Draw(DrawContext context)
{
if (Mode == IncrementalSearchMode.Continuous)
{
if (!String.IsNullOrEmpty(_searchString) && CurrentNode != null)
{
foreach (NodeControlInfo info in Tree.GetNodeControls(CurrentNode))
if (info.Control == _selectedControl)
{
SizeF ms = context.Graphics.MeasureString(_searchString, context.Font);
RectangleF rect = info.Bounds;
rect.Width = ms.Width;
using (Brush backBrush = new SolidBrush(BackColor),
fontBrush = new SolidBrush(FontColor))
{
context.Graphics.FillRectangle(backBrush, rect);
context.Graphics.DrawString(_searchString, context.Font, fontBrush, rect);
}
break;
}
}
}
}
开发者ID:segafan，项目名称:wme1_jankavan_tlc_edition-repo，代码行数:23，代码来源:IncrementalSearch.cs
示例19: GetLabelSize
protected Size GetLabelSize(DrawContext context, string label)
{
PerformanceAnalyzer.Start("GetLabelSize");
Font font = GetDrawingFont(context, label);
Size s = Size.Empty;
if (UseCompatibleTextRendering)
s = TextRenderer.MeasureText(label, font);
else
{
SizeF sf = context.Graphics.MeasureString(label, font);
s = new Size((int)Math.Ceiling(sf.Width), (int)Math.Ceiling(sf.Height));
}
PerformanceAnalyzer.Finish("GetLabelSize");
if (!s.IsEmpty)
return s;
else
return new Size(10, font.Height);
}
开发者ID:montague247，项目名称:treeviewadv，代码行数:21，代码来源:TreeColumn.cs
示例20: MeasureSize
public override Size MeasureSize(TreeNodeAdv node, DrawContext context)
{
return new Size(this.ParentColumn.Width, this.Parent.RowHeight);
}
开发者ID:andyvand，项目名称:ProcessHacker，代码行数:4，代码来源:NodePlotter.cs
注：本文中的Aga.Controls.Tree.DrawContext类示例整理自Github/MSDocs等源码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。 |
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