home comics writing pictures archive about

MainWindowCs.xaml.cs

Language: C#
Last Modified: 2020-06-27 1:58:33 PM UTC
File Size: 6680 bytes
http://www.penguinstew.ca/example/randomorder/MainWindowCs.xaml.cs
���usingSystem;
usingSystemCollectionsGeneric;
usingSystemCollectionsObjectModel;
usingSystemComponentModel;
usingSystemThreading;
usingSystemWindows;
usingSystemWindowsDocuments;
usingSystemWindowsThreading;
namespaceRandomOrderCs
{
<summary>
RandomOrderprogramCversion
<summary>
publicpartialclassMainWindow:WindowINotifyPropertyChanged
{
regionconstant
Thenumberofnumberstogenerate
privateconstintCOUNT=10000;
endregion
regionINotifyPropertyChangedinterface
Eventcalledwhenboundpropertiesarechanged
publiceventPropertyChangedEventHandlerPropertyChanged;
endregion
regionprivatevariables
TheprivatefieldfortheProgressValueproperty
privateintprogressValue=0;
TheprivatefieldfortheStatusLabelproperty
privatestringstatusContent=Ready;
Boolsetwhenprogramisclossing
privateboolabort=false;
endregion
regionproperties
ThecollectionboundtotheitemsourceforthelistBox
publicObservableCollection<string>numbersListSource{get;set;}
Theintboundtothevalueattributeoftheprogressbar
publicintProgressValue
{
get{returnprogressValue;}
set
{
progressValue=value;
ifPropertyChanged=null
{
PropertyChangedthisnewPropertyChangedEventArgsProgressValue;
}
}
}
ThestringboundtotheContentattributeofthestatuslabel
publicstringStatusContent
{
get{returnstatusContent;}
set
{
statusContent=value;
ifPropertyChanged=null
{
PropertyChangedthisnewPropertyChangedEventArgsStatusContent;
}
}
}
endregion
regionconstructor
<summary>
ConstructorfortheMainWindowclass
<summary>
publicMainWindow
{
InitializeComponent;
SetuplistBoxbinding
numbersListSource=newObservableCollection<string>;
numberListItemsSource=numbersListSource;
}
endregion
regioneventhandlers
<summary>
Calledwhentheuserclicksonthegeneratebutton
<summary>
<paramname=sender>Objectsendingtheevent<param>
<paramname=e>RoutedEventArgsfortheevent<param>
privatevoidgenerateButton_ClickobjectsenderRoutedEventArgse
{
Setstatusanddisablebutton
generateButtonIsEnabled=false;
StatusContent=Generating;
numbersListSourceClear;
Startbacgroundthreadtogeneratenumbers
ThreadworkerThread=newThread=>thisgenerateNumbers;
workerThreadIsBackground=true;
workerThreadStart;
}
<summary>
Calledwhentheprogramisclossed
<summary>
<paramname=sender>Objectsendingtheevent<param>
<paramname=e>CancelEventArgsfortheevent<param>
privatevoidwindow_ClosingobjectsenderCancelEventArgse
{
Setthevariabletoindicatetothebackgroundthreadthattheprogramisclosing
abort=true;
}
endregion
regionworkermethods
<summary>
GeneratesaseriesofnumbersinrandomorderandaddsthemtothelistBox
<summary>
privatevoidgenerateNumbers
{
List<int>numbers=newList<int>COUNT;
intprogressSpace=COUNT100;
intprogressAmmount=1;
intsum=0;
intexpectedSum=COUNTCOUNT12;
Randomrandom=newRandom;
DateTimestartTime=DateTimeNow;
Actionaction;
SetprogressAmountifprogressSpaceis0
ifprogressSpace==0
{
progressSpace=1;
progressAmmount=100COUNT;
}
Populatelist
forinti=0;i<COUNT;i
{
numbersAddi1;
}
forinti=0;i<COUNT;i
{
Ifprogramisabortedreturnsothethreadcancloseproperly
ifabort
{
return;
}
Generatearandomindex
intindex=randomNext0numbersCount;
GettheUIthreadtoaddthenumberatthegeneratedindextothelist
action=newAction=>
{
numbersListSourceAddnumbers[index]ToString;
};
thisDispatcherInvokeactionDispatcherPriorityApplicationIdle;
Addthenumbertothesum
sum=numbers[index];
Removethenumberfromthelist
numbersRemoveAtindex;
Updatetheprogressbar
ifiprogressSpace==0
{
action=newAction=>
{
ProgressValue=progressAmmount;
};
thisDispatcherInvokeactionDispatcherPriorityApplicationIdle;
}
}
DateTimeendTime=DateTimeNow;
Resettheviewanddisplayamessageboxwiththeressults
action=newAction=>
{
ProgressValue=0;
generateButtonIsEnabled=true;
StatusContent=Done;
MessageBoxShowStringFormatSumofnumbers={0}\nExpectedsum={1}\nDifference={2}\nElapsedtime={3}s
sumexpectedSumexpectedSumsumendTimeSubtractstartTimeTotalSeconds;
};
thisDispatcherInvokeactionDispatcherPriorityApplicationIdle;
}
endregion
}
}
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
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210