protected override void OnDrawColumnHeader(DrawListViewColumnHeaderEventArgs e)
{
base.OnDrawColumnHeader(e);
if (e.ColumnIndex == 0)
{
var headerCheckBox = new CheckBox {Text = "", Visible = true};
SuspendLayout();
e.DrawBackground();
headerCheckBox.BackColor = Color.Transparent;
headerCheckBox.UseVisualStyleBackColor = true;
headerCheckBox.BackgroundImage = Resources.ListViewHeaderCheckboxBackgroud;
headerCheckBox.SetBounds(e.Bounds.X, e.Bounds.Y,
headerCheckBox.GetPreferredSize(new Size(e.Bounds.Width, e.Bounds.Height)).
Width,
headerCheckBox.GetPreferredSize(new Size(e.Bounds.Width, e.Bounds.Height)).
Height);
headerCheckBox.Size =
new Size(headerCheckBox.GetPreferredSize(new Size(e.Bounds.Width - 1, e.Bounds.Height)).Width + 1,
e.Bounds.Height);
headerCheckBox.Location = new Point(4, 0);
Controls.Add(headerCheckBox);
headerCheckBox.Show();
headerCheckBox.BringToFront();
e.DrawText(TextFormatFlags.VerticalCenter | TextFormatFlags.Left);
headerCheckBox.CheckedChanged += OnHeaderCheckboxCheckedChanged;
ResumeLayout(true);
}
else
{
e.DrawDefault = true;
}
}
protected override void OnDrawColumnHeader(DrawListViewColumnHeaderEventArgs e)
{
base.OnDrawColumnHeader(e);
e.DrawBackground();
e.DrawText();
//e.BackColor = System.Drawing.Color.AliceBlue;
}
private void HiddenWindowsListView_DrawColumnHeader(object sender, DrawListViewColumnHeaderEventArgs e)
{
switch (e.ColumnIndex)
{
case 1:
e.DrawBackground();
e.Graphics.AddImage(e.Bounds, ActionResource.lockwindow_small);
break;
case 2:
e.DrawBackground();
e.Graphics.AddImage(e.Bounds, ActionResource.tack_small);
break;
default:
e.DrawDefault = true;
break;
}
}
/// <summary>
/// Draws Column Header text
/// </summary>
private void DataListView_DrawColumnHeader(object sender, DrawListViewColumnHeaderEventArgs e)
{
//Draw the standard header background.
e.DrawBackground();
//Draw header text
using (StringFormat sf = new StringFormat())
e.Graphics.DrawString(e.Header.Text, DataListView.Font,
Brushes.Black, e.Bounds, sf);
}
/// <summary>
/// Performs custom actions when owner draws columns header</summary>
/// <param name="e">Draw ListView column header event args</param>
protected override void OnDrawColumnHeader(DrawListViewColumnHeaderEventArgs e)
{
base.OnDrawColumnHeader(e);
using (StringFormat sf = new StringFormat())
{
// Store the column text alignment, letting it default
// to Left if it has not been set to Center or Right.
switch (e.Header.TextAlign)
{
case HorizontalAlignment.Center:
sf.Alignment = StringAlignment.Center;
break;
case HorizontalAlignment.Right:
sf.Alignment = StringAlignment.Far;
break;
}
// Draw the standard header background.
e.DrawBackground();
// Draw the header text.
var bound = e.Bounds;
bound.Y += 3;
bound.X += 8;
if (e.ColumnIndex == 0)
bound.X += CheckBoxWidth;
var brush = Enabled ? m_columnHeaderTextBrush : m_columnHeaderTextBrushDisabled;
e.Graphics.DrawString(e.Header.Text, HeaderFont, brush, bound, sf);
if (e.ColumnIndex == m_sortColumn) // Draw sort arrow
{
float w = e.Graphics.MeasureString(e.Header.Text, HeaderFont).Width;
if (m_sortColumn == 0)
w += CheckBoxWidth + 2;
if (e.Bounds.Width > w + s_sortAscendingImage.Width + 8) // get enough room left for the arrow icon
{
Point pt = new Point(e.Bounds.Location.X + e.Bounds.Width - s_sortAscendingImage.Width - 4,
e.Bounds.Top + (e.Bounds.Height - s_sortAscendingImage.Height) / 2);
if (m_sortDirection == ListSortDirection.Ascending)
e.Graphics.DrawImage(s_sortAscendingImage, pt);
else
e.Graphics.DrawImage(s_sortDescendingImage, pt);
}
}
if (CheckBoxes && e.ColumnIndex ==0)
{
// draw check mark
Point pt = new Point(e.Bounds.Location.X, e.Bounds.Top + 3);
e.Graphics.DrawString(m_tickSymbol, m_tickFont, Enabled ? m_columnHeaderCheckMarkBrush : m_columnHeaderCheckMarkBrushDisabled, pt);
// draw a vertical line to make check mark appear in its own column
e.Graphics.DrawLine(m_columnHeaderSeparatorPen, CheckBoxWidth, e.Bounds.Top,
CheckBoxWidth, e.Bounds.Bottom - 2);
}
}
}
private void DrawColumnHeader(object sender, DrawListViewColumnHeaderEventArgs e)
{
e.DrawDefault = true;
e.DrawBackground();
e.DrawText();
}
private void listView1_DrawColumnHeader(object sender, DrawListViewColumnHeaderEventArgs e)
{
e.DrawBackground();
var brush = regularStateBrush;
if (e.Header.Index == 1)
brush = currentStateBrush;
else if (e.Header.Index == 2)
brush = previousStateBrush;
Rectangle r = e.Bounds;
r.X += 5;
r.Y += 4;
DrawString(e.Graphics, e.Header.Text, e.Header.ListView.Font, brush, r);
}
private void lvPlugins_DrawColumnHeader(object sender, DrawListViewColumnHeaderEventArgs e)
{
if (e.ColumnIndex == 0)
{
e.DrawBackground();
bool value = false;
try
{
value = Convert.ToBoolean(e.Header.Tag);
}
catch (Exception)
{
}
CheckBoxRenderer.DrawCheckBox(e.Graphics,
new Point(e.Bounds.Left + 4, e.Bounds.Top + 4),
value ? System.Windows.Forms.VisualStyles.CheckBoxState.CheckedNormal :
System.Windows.Forms.VisualStyles.CheckBoxState.UncheckedNormal);
}
else
{
e.DrawDefault = true;
}
}
private static void OnDrawColumnHeader(object sender, DrawListViewColumnHeaderEventArgs e)
{
using ( StringFormat sf = new StringFormat())
{
// Workout the text alignment
switch( e.Header.TextAlign)
{
case HorizontalAlignment.Center:
sf.Alignment = StringAlignment.Center;
break;
case HorizontalAlignment.Right:
sf.Alignment = StringAlignment.Far;
break;
}
// Draw the standard background
e.DrawBackground();
// Draw the header text
using ( Font headerFont = new Font(View.Font.FontFamily, View.Font.Size))
{
e.Graphics.DrawString(e.Header.Text, headerFont, Brushes.Blue, e.Bounds, sf);
}
}
}
/// <summary>
/// Takes care of drawing a column header using an image.
/// </summary>
/// <param name="e">The DrawListViewColumnHeader event arguments.</param>
/// <param name="colH">The ColumnHeader to be drawn.</param>
/// <param name="img">The Image where to draw the column.</param>
private static void DrawColumnHeader(DrawListViewColumnHeaderEventArgs e, ColumnHeader colH, Image img)
{
int width = TextRenderer.MeasureText(" ", e.Font).Width;
string text = colH.Text;
HorizontalAlignment textAlign = colH.TextAlign;
TextFormatFlags flags = (textAlign == HorizontalAlignment.Left) ? TextFormatFlags.GlyphOverhangPadding : ((textAlign == HorizontalAlignment.Center) ? TextFormatFlags.HorizontalCenter : TextFormatFlags.Right);
flags |= TextFormatFlags.WordEllipsis | TextFormatFlags.VerticalCenter;
if (img != null)
{
int halfWidth = width / 2;
Rectangle imgBounds = new Rectangle(e.Bounds.Location.X + halfWidth, e.Bounds.Location.Y + 1, e.Bounds.Size.Height, e.Bounds.Size.Height - 3);
Rectangle txtBounds = new Rectangle(imgBounds.Location.X + imgBounds.Size.Width + halfWidth, e.Bounds.Location.Y, e.Bounds.Size.Width - (imgBounds.Size.Width + 2 * halfWidth), e.Bounds.Size.Height);
e.DrawBackground();
e.Graphics.DrawImage(img, imgBounds);
TextRenderer.DrawText(e.Graphics, text, e.Font, txtBounds, e.ForeColor, flags);
}
else
{
e.DrawBackground();
TextRenderer.DrawText(e.Graphics, text, e.Font, e.Bounds, e.ForeColor, flags);
}
}
void DhListView_DrawColumnHeader(object sender, DrawListViewColumnHeaderEventArgs e)
{
var paleBlue = Color.FromArgb(187, 235, 254);
var veryPaleBlue = Color.FromArgb(227, 247, 255);
var lightBlue = Color.LightBlue;
var drawRect = e.Bounds;
// For some reason Bounds.Height is much too big. Bigger than our whole control!
drawRect.Height = Height - 4;
int imageIndex;
//e.Header.Index is it's index in the original, un-dragged list of columns.
//m_columnIconIndexes is indexed by the current display position of columns that require the icon to be displayed.
var currentDisplayPositionOfColumn = OrderForColumnsDisplay[e.Header.Index];
if (!m_columnIconIndexes.TryGetValue(currentDisplayPositionOfColumn, out imageIndex))
imageIndex = -1;
if (imageIndex >= 0)
drawRect.Width -= m_imgList.ImageSize.Width;
var topHeight = drawRect.Height / 2 - 1;
var drawText = e.Header.Text;
var realSize = e.Graphics.MeasureString(drawText, e.Font);
if ((e.State & ListViewItemStates.Selected) != 0)
{
using (var brush = new SolidBrush(paleBlue))
{
e.Graphics.FillRectangle(brush, new Rectangle(e.Bounds.Left, e.Bounds.Top, e.Bounds.Width, topHeight));
}
using (var brush = new SolidBrush(lightBlue))
{
e.Graphics.FillRectangle(brush, new Rectangle(e.Bounds.Left, e.Bounds.Top + topHeight, e.Bounds.Width, e.Bounds.Height - topHeight));
}
}
else if (e.Bounds.Contains(PointToClient(Cursor.Position))) // seems to be no state that indicates mouse is in it...Hot should but doesn't.
{
m_hotRectangle = e.Bounds;
if (m_timer == null)
{
m_timer = new Timer();
m_timer.Interval = 50;
m_timer.Tick += m_timer_Tick;
m_timer.Start();
}
m_cTicks = 0;
if (realSize.Width > drawRect.Width)
{
m_tooltipText = drawText;
}
else
{
m_tooltipText = null;
}
using (var brush = new SolidBrush(veryPaleBlue))
{
e.Graphics.FillRectangle(brush, new Rectangle(e.Bounds.Left, e.Bounds.Top, e.Bounds.Width, topHeight));
}
using (var brush = new SolidBrush(paleBlue))
{
e.Graphics.FillRectangle(brush, new Rectangle(e.Bounds.Left, e.Bounds.Top + topHeight, e.Bounds.Width, e.Bounds.Height - topHeight));
}
}
else
{
e.DrawBackground(); // standard background
}
// Draw the header text.
if (realSize.Width > drawRect.Width)
{
// Guess how much we can fit.
int len = (int)(drawText.Length * drawRect.Width / realSize.Width) + 1;
// Subtract more until it fits.
do
{
len = len - 1;
Debug.Assert(len >= 0, "length should not be negative");
drawText = drawText.Substring(0, len) + "\x2026"; // ellipsis
realSize = e.Graphics.MeasureString(drawText, e.Font);
} while (len > 0 && realSize.Width > drawRect.Width);
// Add any more that fits.
while (len < e.Header.Text.Length - 1)
{
len = len + 1;
var possibleText = e.Header.Text.Substring(0, len) + "\x2026"; // ellipsis
realSize = e.Graphics.MeasureString(possibleText, e.Font);
if (realSize.Width > drawRect.Width)
break; // we can't add this one more character.
drawText = possibleText; // we can fit this much at least.
}
}
using (StringFormat sf = new StringFormat())
{
sf.Trimming = StringTrimming.Character;
sf.FormatFlags = StringFormatFlags.NoWrap;
sf.LineAlignment = StringAlignment.Far; // bottom
//if (drawRect.Height > realSize.Height - 2)
//{
// drawRect = new Rectangle(drawRect.X, drawRect.Top + drawRect.Height - (int)realSize.Height - 2, drawRect.Width, (int)realSize.Height + 2);
//}
e.Graphics.DrawString(drawText, e.Font,
Brushes.Black, drawRect, sf);
}
if (imageIndex >= 0)
{
var size = m_imgList.ImageSize;
m_imgList.Draw(e.Graphics, e.Bounds.Right - 2 - size.Width, e.Bounds.Top + 2, imageIndex);
}
}
private void ListViewOnDrawColumnHeader(object sender, DrawListViewColumnHeaderEventArgs e)
{
e.DrawBackground();
e.Graphics.FillRectangle(new SolidBrush(CurrentBaseSkin.BackColor), e.Bounds);
e.Graphics.DrawLine(new Pen(CurrentBaseSkin.ForeColor, 1), e.Bounds.Left, e.Bounds.Bottom - 2,
e.Bounds.Right,
e.Bounds.Bottom - 2);
e.Graphics.DrawLine(new Pen(CurrentBaseSkin.ForeColor, 1), e.Bounds.Left - 1, e.Bounds.Bottom - 2,
e.Bounds.Left - 1,
0);
using (var sf = new StringFormat
{
Alignment = StringAlignment.Near,
LineAlignment = StringAlignment.Center
})
e.Graphics.DrawString(e.Header.Text, CurrentBaseSkin.Font, new SolidBrush(CurrentBaseSkin.ForeColor),
e.Bounds, sf);
}
void lvLibrary_DrawColumnHeader(object sender, DrawListViewColumnHeaderEventArgs e)
{
//https://msdn.microsoft.com/en-us/library/system.windows.forms.listview.ownerdraw%28v=vs.110%29.aspx
using (StringFormat sf = new StringFormat()) {
// Store the column text alignment, letting it default
// to Left if it has not been set to Center or Right.
switch (e.Header.TextAlign) {
case HorizontalAlignment.Center:
sf.Alignment = StringAlignment.Center;
break;
case HorizontalAlignment.Right:
sf.Alignment = StringAlignment.Far;
break;
}
// Draw the standard header background.
e.DrawBackground();
// Draw the header text.
using (Font headerFont =
new Font("Helvetica", 10, FontStyle.Bold)) {
e.Graphics.DrawString(e.Header.Text, headerFont,
Brushes.Black, e.Bounds, sf);
}
}
}
/// <summary>
/// Owner draw requires drawing the column header as well as the list items. See LT-7007.
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
void currentList_DrawColumnHeader(object sender, DrawListViewColumnHeaderEventArgs e)
{
e.DrawBackground();
e.DrawText();
}
private void listView_DrawColumnHeader(object sender, DrawListViewColumnHeaderEventArgs e)
{
e.DrawBackground();
e.DrawText();
}
void SortableListView_DrawColumnHeader(object sender, DrawListViewColumnHeaderEventArgs e)
{
bool fSorted = (this._sortColumn == e.ColumnIndex);
if (fSorted)
{
e.DrawBackground();
e.DrawText(TextFormatFlags.VerticalCenter | TextFormatFlags.EndEllipsis);
//如果是排序，并且图片不为空，那么绘制图标
if (fSorted && (_imageAscending != null) && (this._imageDescending != null))
{
Point ptImage = new Point(e.Bounds.Left + (int)e.Graphics.MeasureString(e.Header.Text + "XY", e.Font).Width, (e.Bounds.Top + e.Bounds.Bottom - _imageAscending.Height) / 2);
e.Graphics.DrawImage((this._sortOrder > 0) ? _imageAscending : _imageDescending, ptImage);
}
this.Refresh();
}
else
{
e.DrawDefault = true;
}
}
private void KaiListView_DrawColumnHeader(object sender, DrawListViewColumnHeaderEventArgs e)
{
StringFormat sf = new StringFormat();
sf.LineAlignment = StringAlignment.Center;
if (0 == e.ColumnIndex)
{
sf.Alignment = StringAlignment.Center;
}
else
{
switch (e.Header.TextAlign)
{
case HorizontalAlignment.Left:
{
sf.Alignment = StringAlignment.Near;
break;
}
case HorizontalAlignment.Center:
{
sf.Alignment = StringAlignment.Center;
break;
}
case HorizontalAlignment.Right:
{
sf.Alignment = StringAlignment.Far;
break;
}
}
}
e.DrawBackground();
Font f = new Font("Arial", 9, FontStyle.Bold);
e.Graphics.DrawString(e.Header.Text, f, SystemBrushes.WindowText, e.Bounds, sf);
}