internal static extern int DrawText(IntPtr hdc, string lpString, int nCount, ref RECT lpRect, DrawTextFlags uFormat);
/// <summary>
/// Raises the Paint event
/// </summary>
/// <param name="e">A PaintEventArgs that contains the event data</param>
protected override void OnPaint(PaintEventArgs e)
{
base.OnPaintBackground(e);
//base.OnPaint(e);
// do we have an image to draw
if (this.Image != null)
{
if (this.Enabled)
{
if (this.RightToLeft == RightToLeft.Yes)
{
e.Graphics.DrawImage(this.Image, this.Width-16, 0, 16, 16);
}
else
{
e.Graphics.DrawImage(this.Image, 0, 0, 16, 16);
}
}
else
{
// fix: use ControlPaint.DrawImageDisabled() to draw
// the disabled image
// Brad Jones ([email protected])
// 26/08/2004
// v1.3
if (this.RightToLeft == RightToLeft.Yes)
{
ControlPaint.DrawImageDisabled(e.Graphics, this.Image, this.Width-16, 0, this.BackColor);
}
else
{
ControlPaint.DrawImageDisabled(e.Graphics, this.Image, 0, 0, this.BackColor);
}
}
}
// do we have any text to draw
if (this.Text.Length > 0)
{
if (this.textRect.Width == 0 && this.textRect.Height == 0)
{
this.textRect.X = 0;
this.textRect.Y = 0;
this.textRect.Height = this.PreferredHeight;
if (this.RightToLeft == RightToLeft.Yes)
{
this.textRect.Width = this.Width - this.Padding.Right;
if (this.Image != null)
{
this.textRect.Width -= 16;
}
}
else
{
if (this.Image != null)
{
this.textRect.X = 16 + this.Padding.Left;
}
this.textRect.Width = this.Width - this.textRect.X - this.Padding.Right;
}
}
if (this.RightToLeft == RightToLeft.Yes)
{
this.stringFormat.FormatFlags |= StringFormatFlags.DirectionRightToLeft;
this.drawTextFlags |= DrawTextFlags.DT_RTLREADING;
}
else
{
this.stringFormat.FormatFlags &= ~StringFormatFlags.DirectionRightToLeft;
this.drawTextFlags &= ~DrawTextFlags.DT_RTLREADING;
}
if (this.UseGdiText)
{
this.DrawGdiText(e.Graphics);
}
else
{
this.DrawText(e.Graphics);
}
}
// check if windows will let us show a focus rectangle
// if we have focus
if (this.Focused && base.ShowFocusCues)
{
if (this.ShowFocusCues)
{
ControlPaint.DrawFocusRectangle(e.Graphics, this.ClientRectangle);
}
}
}
/// <summary>
/// Initializes the TaskItem's DrawTextFlags object
/// </summary>
private void InitDrawTextFlags()
{
if (this.drawTextFlags == (int) 0)
{
this.drawTextFlags = (DrawTextFlags.DT_LEFT | DrawTextFlags.DT_TOP | DrawTextFlags.DT_WORDBREAK);
}
}
public static extern int DrawText( IntPtr hDC, string lpString, int nCount, ref Common.RECT lpRect, DrawTextFlags uFormat );
