1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
|
//
// Author:
// Jordi Mas i Hernandez
//
// Sample to test clipping. Requires SWF.
//
// Copyright (C) 2005 Novell, Inc (http://www.novell.com)
//
// Permission is hereby granted, free of charge, to any person obtaining
// a copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to
// permit persons to whom the Software is furnished to do so, subject to
// the following conditions:
//
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//
using System.Windows.Forms;
using System.Drawing;
using System;
namespace MyFormProject
{
class MainForm : System.Windows.Forms.Form
{
class ourLabelTwoAreas : Label
{
public ourLabelTwoAreas ()
{
}
protected override void OnPaint (PaintEventArgs pevent)
{
Console.WriteLine ("ourLabelTwoAreas pevents {0}, pos {1} - size {2}", pevent.ClipRectangle,
Location, Size);
Region reg = new Region (new Rectangle (20, 20, 10, 10));
reg.Union (new Rectangle (5, 5, 10, 10));
pevent.Graphics.Clip = reg;
pevent.Graphics.FillRectangle (Brushes.Red, pevent.ClipRectangle);
}
}
class ourLabelOverflows : Label
{
public ourLabelOverflows ()
{
}
protected override void OnPaint (PaintEventArgs pevent)
{
Console.WriteLine ("ourLabelOverflows pevents {0}, pos {1} - size {2}", pevent.ClipRectangle,
Location, Size);
pevent.Graphics.FillRectangle (Brushes.Yellow,
new Rectangle (0,0, 1000, 1000));
}
}
protected override void OnPaint (PaintEventArgs pevent)
{
pevent.Graphics.FillRectangle (Brushes.Green, pevent.ClipRectangle);
}
static private ourLabelTwoAreas label = new ourLabelTwoAreas ();
static private ourLabelOverflows label2 = new ourLabelOverflows ();
public MainForm ()
{
label.Location = new Point (20, 20);
label.Size = new Size (50, 80);
label.Text = "Hola";
Controls.Add (label);
label2.Location = new Point (100, 100);
label2.Size = new Size (50, 80);
label2.Text = "Hola";
Controls.Add (label2);
ClientSize = new Size (400, 400);
}
public static void Main(string[] args)
{
Application.Run (new MainForm ());
}
}
}
|
