mapxtreme开发小结2（c#)
1 // 监听地图控件事件
2 mapControl1.Map.ViewChangedEvent += new ViewChangedEventHandler(Map_ViewChanged);
3 mapControl1.Map.Layers.Added += new CollectionEventHandler(Layers_CountChanged);
4 mapControl1.Map.Layers.Removed += new CollectionEventHandler(Layers_CountChanged);
5 // 监听地图工具事件
6 mapControl1.Tools.Activating += new ToolActivatingEventHandler(ToolActivating);
7 mapControl1.Tools.Activated += new ToolActivatedEventHandler(ToolActivatedFired);
8 mapControl1.Tools.Used += new ToolUsedEventHandler(ToolUsed);
9 mapControl1.Tools.Ending += new ToolEndingEventHandler(ToolEnding);
10 mapControl1.Tools.FeatureAdding += new FeatureAddingEventHandler(FeatureAdding);
11 mapControl1.Tools.FeatureAdded += new FeatureAddedEventHandler(FeatureAdded);
12 mapControl1.Tools.FeatureSelecting += new FeatureSelectingEventHandler(FeatureSelecting);
13 mapControl1.Tools.FeatureSelected += new FeatureSelectedEventHandler(FeatureSelected);
14 mapControl1.Tools.FeatureChanging += new FeatureChangingEventHandler(FeatureChanging);
15 mapControl1.Tools.FeatureChanged += new MapInfo.Tools.FeatureChangedEventHandler(FeatureChanged);
16 mapControl1.Tools.NodeChanging += new NodeChangingEventHandler(NodeChanging);
17 mapControl1.Tools.NodeChanged += new NodeChangedEventHandler(NodeChanged);
18 mapControl1.Tools.LabelAdding += new LabelAddingEventHandler(LabelAdding);
19 mapControl1.Tools.LabelAdded += new LabelAddedEventHandler(LabelAdded);
20 mapControl1.MouseWheel += new System.Windows.Forms.MouseEventHandler(this.mapControl1_MouseWheel);
21
22 // 监听地图控件事件实现函数部分
23 private void Map_ViewChanged(object o, ViewChangedEventArgs e)
24 {
25 // Get the map
26 MapInfo.Mapping.Map map = (MapInfo.Mapping.Map) o;
27 // Display the zoom level
28 Double dblZoom = System.Convert.ToDouble(String.Format("{0:E2}",mapControl1.Map.Zoom.Value));
29 statusBarPanelZoom.Text = "Zoom: " + dblZoom.ToString() + " " + mapControl1.Map.Zoom.Unit.ToString();
30 }
31
32 // This method makes sure the tool buttons are enabled only if
33 // the map contains at least one layer.
34 private void Layers_CountChanged(object o, CollectionEventArgs e)
35 {
36 EnableToolButtons(mapControl1.Map.Layers.Count > 0);
37 }
38
39 #region Code reporting relevant map, tool, and mouse events to user
40
41 private void ToolActivating(object sender, ToolActivatingEventArgs e)
42 {
43 // if Activation combo-box is set to cancel this tool, cancel it!
44 if (e.ToolName == comboCancelActivation.Text) e.Cancel = true;
45
46 txtResults.Text = "ToolActivating: " + e.ToolName + " " + e.ButtonTool
47 + " " + (e.Cancel ? "Cancel: " + e.ToString() : e.ToString());
48 txtResults.Refresh();
49 }
50
51 private void ToolActivatedFired(object sender, ToolActivatedEventArgs e)
52 {
53 txtResults.Text = txtResults.Text + "\r\nToolActivated: " + e.ToolName + " " + e.ButtonTool;
54 txtResults.Refresh();
55 }
56
57 private void ToolUsed(object sender, ToolUsedEventArgs e)
58 {
59 // when starting to use a tool, clear out the Events textbox
60 if (e.ToolStatus==ToolStatus.Start) txtResults.Text="";
61
62 txtResults.Text = txtResults.Text + "\r\nToolUsed: " + e.ToString();
63 txtResults.Refresh();
64 }
65
66 private void ToolEnding(object sender, ToolEndingEventArgs e)
67 {
68 // if ToolEnding combo-box is set to cancel this tool
cancel it!
69 if (e.ToolName == comboCancelToolEnding.Text) e.Cancel = true;
70
71 txtResults.Text = txtResults.Text + "\r\n" + (e.Cancel ? "ToolEnding: Cancel" : "ToolEnding:");
72 txtResults.Refresh();
73 }
74
75 private void FeatureAdding(object sender, FeatureAddingEventArgs e)
76 {
77 if (chkCancelObjAdd.Checked) e.Cancel=true;
78
79 if (e.Feature != null)
80 {
81 txtResults.Text = txtResults.Text + "\r\nFeatureAdding: " + (e.Cancel ? "Cancel: " + e.ToString() : e.ToString());
82 txtResults.Refresh();
83 }
84 }
85
86 private void FeatureAdded(object sender, FeatureAddedEventArgs e)
87 {
88 if (e.Feature != null)
89 {
90 txtResults.Text = txtResults.Text + "\r\nFeatureAdded: " + e.ToString();
91 txtResults.Refresh();
92
93 UpdateObjCount();
94 }
95 }
96
97 private void FeatureSelecting(object sender, FeatureSelectingEventArgs e)
98 {
99 if (chkCancelSelect.Checked) e.Cancel=true;
100
101 txtResults.Text = txtResults.Text + "\r\nFeatureSelecting: " + (e.Cancel ? "Cancel" : e.ToString());
102 txtResults.Refresh();
103 }
104
105 private void FeatureSelected(object sender, FeatureSelectedEventArgs e)
106 {
107 txtResults.Text = txtResults.Text + "\r\nFeatureSelected: " + e.ToString();
108 txtResults.Refresh();
109
110 UpdateSelCount();
111 }
112
113 private void FeatureChanging(object sender, FeatureChangingEventArgs e)
114 {
115 if (chkCancelObjChanges.Checked) e.Cancel=true;
116
117 txtResults.Text = txtResults.Text + "\r\nFeatureChanging: " + (e.Cancel ? "Cancel" : e.ToString());
118 txtResults.Refresh();
119 }
120
121 private void FeatureChanged(object sender, MapInfo.Tools.FeatureChangedEventArgs e)
122 {
123 txtResults.Text = txtResults.Text + "\r\nFeatureChanged: " + e.ToString();
124 txtResults.Refresh();
125
126 UpdateObjCount();
127 }
128
129 private void NodeChanging(object sender, NodeChangingEventArgs e)
130 {
131 if (chkCancelNodeEdit.Checked) e.Cancel=true;
132
133 txtResults.Text = txtResults.Text + "\r\nNodeChanging: " + (e.Cancel ? "Cancel" : e.ToString());
134 txtResults.Refresh();
135 }
136
137 private void NodeChanged(object sender, NodeChangedEventArgs e)
138 {
139 txtResults.Text = txtResults.Text + "\r\nNodeChanged: " + e.ToString();
140 txtResults.Refresh();
141 }
142
143 private void LabelAdding(object sender, LabelAddingEventArgs e)
144 {
145 if (chkCancelLabel.Checked) e.Cancel=true;
146
147 txtResults.Text = txtResults.Text + "\r\nLabelAdding: " + (e.Cancel ? "Cancel" : e.ToString());
148 txtResults.Refresh();
149 }
150 private void LabelAdded(object sender, LabelAddedEventArgs e)
151 {
152 txtResults.Text = txtResults.Text + "\r\nLabelAdded: " + e.ToString();
153 txtResults.Refresh();
154 }
155
156 private void mapControl1_MouseWheel(object sender, System.Windows.Forms.MouseEventArgs e)
157 {
158 txtResults.Text=txtResults.Text + "\r\nMouseWheel: Delta=" + e.Delta
159 + ", X=" + e.X + ", Y=" +e.Y;
160 txtResults.Refresh();
161 }
162 #endregion
2 mapControl1.Map.ViewChangedEvent += new ViewChangedEventHandler(Map_ViewChanged);
3 mapControl1.Map.Layers.Added += new CollectionEventHandler(Layers_CountChanged);
4 mapControl1.Map.Layers.Removed += new CollectionEventHandler(Layers_CountChanged);
5 // 监听地图工具事件
6 mapControl1.Tools.Activating += new ToolActivatingEventHandler(ToolActivating);
7 mapControl1.Tools.Activated += new ToolActivatedEventHandler(ToolActivatedFired);
8 mapControl1.Tools.Used += new ToolUsedEventHandler(ToolUsed);
9 mapControl1.Tools.Ending += new ToolEndingEventHandler(ToolEnding);
10 mapControl1.Tools.FeatureAdding += new FeatureAddingEventHandler(FeatureAdding);
11 mapControl1.Tools.FeatureAdded += new FeatureAddedEventHandler(FeatureAdded);
12 mapControl1.Tools.FeatureSelecting += new FeatureSelectingEventHandler(FeatureSelecting);
13 mapControl1.Tools.FeatureSelected += new FeatureSelectedEventHandler(FeatureSelected);
14 mapControl1.Tools.FeatureChanging += new FeatureChangingEventHandler(FeatureChanging);
15 mapControl1.Tools.FeatureChanged += new MapInfo.Tools.FeatureChangedEventHandler(FeatureChanged);
16 mapControl1.Tools.NodeChanging += new NodeChangingEventHandler(NodeChanging);
17 mapControl1.Tools.NodeChanged += new NodeChangedEventHandler(NodeChanged);
18 mapControl1.Tools.LabelAdding += new LabelAddingEventHandler(LabelAdding);
19 mapControl1.Tools.LabelAdded += new LabelAddedEventHandler(LabelAdded);
20 mapControl1.MouseWheel += new System.Windows.Forms.MouseEventHandler(this.mapControl1_MouseWheel);
21
22 // 监听地图控件事件实现函数部分
23 private void Map_ViewChanged(object o, ViewChangedEventArgs e)
24 {
25 // Get the map
26 MapInfo.Mapping.Map map = (MapInfo.Mapping.Map) o;
27 // Display the zoom level
28 Double dblZoom = System.Convert.ToDouble(String.Format("{0:E2}",mapControl1.Map.Zoom.Value));
29 statusBarPanelZoom.Text = "Zoom: " + dblZoom.ToString() + " " + mapControl1.Map.Zoom.Unit.ToString();
30 }
31
32 // This method makes sure the tool buttons are enabled only if
33 // the map contains at least one layer.
34 private void Layers_CountChanged(object o, CollectionEventArgs e)
35 {
36 EnableToolButtons(mapControl1.Map.Layers.Count > 0);
37 }
38
39 #region Code reporting relevant map, tool, and mouse events to user
40
41 private void ToolActivating(object sender, ToolActivatingEventArgs e)
42 {
43 // if Activation combo-box is set to cancel this tool, cancel it!
44 if (e.ToolName == comboCancelActivation.Text) e.Cancel = true;
45
46 txtResults.Text = "ToolActivating: " + e.ToolName + " " + e.ButtonTool
47 + " " + (e.Cancel ? "Cancel: " + e.ToString() : e.ToString());
48 txtResults.Refresh();
49 }
50
51 private void ToolActivatedFired(object sender, ToolActivatedEventArgs e)
52 {
53 txtResults.Text = txtResults.Text + "\r\nToolActivated: " + e.ToolName + " " + e.ButtonTool;
54 txtResults.Refresh();
55 }
56
57 private void ToolUsed(object sender, ToolUsedEventArgs e)
58 {
59 // when starting to use a tool, clear out the Events textbox
60 if (e.ToolStatus==ToolStatus.Start) txtResults.Text="";
61
62 txtResults.Text = txtResults.Text + "\r\nToolUsed: " + e.ToString();
63 txtResults.Refresh();
64 }
65
66 private void ToolEnding(object sender, ToolEndingEventArgs e)
67 {
68 // if ToolEnding combo-box is set to cancel this tool
cancel it!69 if (e.ToolName == comboCancelToolEnding.Text) e.Cancel = true;
70
71 txtResults.Text = txtResults.Text + "\r\n" + (e.Cancel ? "ToolEnding: Cancel" : "ToolEnding:");
72 txtResults.Refresh();
73 }
74
75 private void FeatureAdding(object sender, FeatureAddingEventArgs e)
76 {
77 if (chkCancelObjAdd.Checked) e.Cancel=true;
78
79 if (e.Feature != null)
80 {
81 txtResults.Text = txtResults.Text + "\r\nFeatureAdding: " + (e.Cancel ? "Cancel: " + e.ToString() : e.ToString());
82 txtResults.Refresh();
83 }
84 }
85
86 private void FeatureAdded(object sender, FeatureAddedEventArgs e)
87 {
88 if (e.Feature != null)
89 {
90 txtResults.Text = txtResults.Text + "\r\nFeatureAdded: " + e.ToString();
91 txtResults.Refresh();
92
93 UpdateObjCount();
94 }
95 }
96
97 private void FeatureSelecting(object sender, FeatureSelectingEventArgs e)
98 {
99 if (chkCancelSelect.Checked) e.Cancel=true;
100
101 txtResults.Text = txtResults.Text + "\r\nFeatureSelecting: " + (e.Cancel ? "Cancel" : e.ToString());
102 txtResults.Refresh();
103 }
104
105 private void FeatureSelected(object sender, FeatureSelectedEventArgs e)
106 {
107 txtResults.Text = txtResults.Text + "\r\nFeatureSelected: " + e.ToString();
108 txtResults.Refresh();
109
110 UpdateSelCount();
111 }
112
113 private void FeatureChanging(object sender, FeatureChangingEventArgs e)
114 {
115 if (chkCancelObjChanges.Checked) e.Cancel=true;
116
117 txtResults.Text = txtResults.Text + "\r\nFeatureChanging: " + (e.Cancel ? "Cancel" : e.ToString());
118 txtResults.Refresh();
119 }
120
121 private void FeatureChanged(object sender, MapInfo.Tools.FeatureChangedEventArgs e)
122 {
123 txtResults.Text = txtResults.Text + "\r\nFeatureChanged: " + e.ToString();
124 txtResults.Refresh();
125
126 UpdateObjCount();
127 }
128
129 private void NodeChanging(object sender, NodeChangingEventArgs e)
130 {
131 if (chkCancelNodeEdit.Checked) e.Cancel=true;
132
133 txtResults.Text = txtResults.Text + "\r\nNodeChanging: " + (e.Cancel ? "Cancel" : e.ToString());
134 txtResults.Refresh();
135 }
136
137 private void NodeChanged(object sender, NodeChangedEventArgs e)
138 {
139 txtResults.Text = txtResults.Text + "\r\nNodeChanged: " + e.ToString();
140 txtResults.Refresh();
141 }
142
143 private void LabelAdding(object sender, LabelAddingEventArgs e)
144 {
145 if (chkCancelLabel.Checked) e.Cancel=true;
146
147 txtResults.Text = txtResults.Text + "\r\nLabelAdding: " + (e.Cancel ? "Cancel" : e.ToString());
148 txtResults.Refresh();
149 }
150 private void LabelAdded(object sender, LabelAddedEventArgs e)
151 {
152 txtResults.Text = txtResults.Text + "\r\nLabelAdded: " + e.ToString();
153 txtResults.Refresh();
154 }
155
156 private void mapControl1_MouseWheel(object sender, System.Windows.Forms.MouseEventArgs e)
157 {
158 txtResults.Text=txtResults.Text + "\r\nMouseWheel: Delta=" + e.Delta
159 + ", X=" + e.X + ", Y=" +e.Y;
160 txtResults.Refresh();
161 }
162 #endregion
