loading[地理信息系统课程设计报告]
ArcGISCategoryUnregistration(registerType); }
#region ArcGIS Component Category Registrar generated code privatestaticvoid ArcGISCategoryRegistration(Type registerType) {
string regKey = string.Format(\, registerType.GUID);
ControlsCommands.Register(regKey); }
privatestaticvoid ArcGISCategoryUnregistration(Type registerType) {
string regKey = string.Format(\, registerType.GUID);
ControlsCommands.Unregister(regKey); }
#endregion #endregion //获取视图范围
privateIScreenDisplay m_focusScreenDisplay = null; //标记操作进程
privatebool m_PanOperation;
privateIHookHelper m_hookHelper; public Pan() {
base.m_category = \; //localizable text base.m_caption = \漫游\; //localizable text base.m_message = \漫游\; //localizable text base.m_toolTip = \漫游\; //localizable text
base.m_name = \; //unique id, non-localizable (e.g. \ try
{
string bitmapResourceName = GetType().Name + \;
base.m_bitmap = newBitmap(GetType(), bitmapResourceName);
base.m_cursor = newSystem.Windows.Forms.Cursor(GetType(), GetType().Name + \); }
catch (Exception ex) {
System.Diagnostics.Trace.WriteLine(ex.Message, \); } }
#region Overridden Class Methods publicoverridevoid OnCreate(object hook) {
if (m_hookHelper == null)
m_hookHelper = newHookHelperClass();
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m_hookHelper.Hook = hook;
// TODO: Add Pan.OnCreate implementation }
publicoverridevoid OnClick() {
// TODO: Add Pan.OnClick implementation }
publicoverridevoid OnMouseDown(int Button, int Shift, int X, int Y) {
//判断是否鼠标左键
if (Button != 1) return; //获取视图范围并开始漫游
IActiveView pActiveView = m_hookHelper.ActiveView;
m_focusScreenDisplay = pActiveView.ScreenDisplay;
IPoint pPoint = pActiveView.ScreenDisplay.DisplayTransformation.ToMapPoint(X, Y); m_focusScreenDisplay.PanStart(pPoint); //标记漫游操作为真
m_PanOperation = true;
// TODO: Add Pan.OnMouseDown implementation }
publicoverridevoid OnMouseMove(int Button, int Shift, int X, int Y) {
//判断是否鼠标左键
if (Button != 1) return; //是否漫游状态
if (!m_PanOperation) return; //追踪鼠标
IPoint pPoint = m_focusScreenDisplay.DisplayTransformation.ToMapPoint(X, Y); m_focusScreenDisplay.PanMoveTo(pPoint); // TODO: Add Pan.OnMouseMove implementation }
publicoverridevoid OnMouseUp(int Button, int Shift, int X, int Y) {
//判断是否鼠标左键
if (Button != 1) return; //是否漫游状态
if (!m_PanOperation) return;
IEnvelope pExtent = m_focusScreenDisplay.PanStop(); //判断移动区域是否为空 if (pExtent != null) {
m_focusScreenDisplay.DisplayTransformation.VisibleBounds = pExtent; m_focusScreenDisplay.Invalidate(null, true, (short)esriScreenCache.esriAllScreenCaches); }
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//关闭漫游状态
m_PanOperation = false;
// TODO: Add Pan.OnMouseUp implementation }
#endregion } }
8、ZoomIn类源码
namespace MyMap.Classes {
[Guid(\)] [ClassInterface(ClassInterfaceType.None)] [ProgId(\)] publicsealedclassZoomIn : BaseTool {
#region COM Registration Function(s) [ComRegisterFunction()] [ComVisible(false)]
staticvoid RegisterFunction(Type registerType) {
// Required for ArcGIS Component Category Registrar support ArcGISCategoryRegistration(registerType); }
[ComUnregisterFunction()] [ComVisible(false)]
staticvoid UnregisterFunction(Type registerType) {
// Required for ArcGIS Component Category Registrar support ArcGISCategoryUnregistration(registerType); }
#region ArcGIS Component Category Registrar generated code privatestaticvoid ArcGISCategoryRegistration(Type registerType) {
string regKey = string.Format(\, registerType.GUID);
ControlsCommands.Register(regKey); }
privatestaticvoid ArcGISCategoryUnregistration(Type registerType) {
string regKey = string.Format(\, registerType.GUID);
ControlsCommands.Unregister(regKey);
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}
#endregion #endregion //记录鼠标位置
privateIPoint m_point; //标记MouseDown是否发生
privateBoolean m_isMouseDown; //追踪鼠标移动产生新的Envelope
privateINewEnvelopeFeedback m_feedBack; privateIHookHelper m_hookHelper; public ZoomIn() {
base.m_category = \; //localizable text base.m_caption = \放大\; //localizable text base.m_message = \放大\; //localizable text base.m_toolTip = \放大\; //localizable text
base.m_name = \; //unique id, non-localizable (e.g. \ try
{
string bitmapResourceName = GetType().Name + \;
base.m_bitmap = newBitmap(GetType(), bitmapResourceName);
base.m_cursor = newSystem.Windows.Forms.Cursor(GetType(), GetType().Name + \); }
catch (Exception ex) {
System.Diagnostics.Trace.WriteLine(ex.Message, \); } }
#region Overridden Class Methods publicoverridevoid OnCreate(object hook) {
if (m_hookHelper == null)
m_hookHelper = newHookHelperClass(); m_hookHelper.Hook = hook;
// TODO: Add ZoomIn.OnCreate implementation }
publicoverridevoid OnClick() {
// TODO: Add ZoomIn.OnClick implementation }
publicoverridevoid OnMouseDown(int Button, int Shift, int X, int Y) {
//当前地图视图为空时返回
if (m_hookHelper.ActiveView == null) return;
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