public override void OnKeyDown(int keyCode, int shift)
{
base.OnKeyDown(keyCode, shift);
if (keyCode == 27) //ESC 键，取消所有操作
{
Reset();
this.Stop();
WSGRI.DigitalFactory.Commands.ICommand command = DFApplication.Application.GetCommand("WSGRI.DigitalFactory.DF2DControl.cmdPan");
if (command != null)
{
command.Execute();
}
return;
}
if (keyCode == 13 || keyCode == 32) //按ENTER、SPACEBAR键 开始绘制联合操作
{
DoUnion();
return;
}
if (keyCode == 46) //DEL键,删除选中的要素
{
CommonFunction.DelFeaturesFromArray(m_MapControl, ref m_FeatureArray);
Reset();
return;
}
}
public override void OnKeyDown(int keyCode, int shift)
{
// TODO: 添加 DrawPolyline.OnKeyDown 实现
base.OnKeyDown(keyCode, shift);
IPoint tempPoint = new PointClass();
tempPoint.X = m_pLastPoint.X;
tempPoint.Y = m_pLastPoint.Y;
if (keyCode == 72) //按H键,绘制圆弧
{
if (m_drawType == 1)
{
m_drawState = "Line_Arc"; //绘制直线……圆弧
}
else if (m_drawType == 2)
{
m_drawState = "Arc_Arc"; //绘制圆弧……圆弧
}
return;
}
if (keyCode == 76) //按L键,绘制直线
{
if (m_drawType == 1)
{
m_drawState = "Line_Line";; //绘制直线……直线
}
else if (m_drawType == 2)
{
m_drawState = "Line_Line"; //绘制圆弧……直线
}
return;
}
if (keyCode == 84) //按T键,绘制圆弧……切线
{
m_drawState = "Arc_TLine";
return;
}
if (keyCode == 85) //按U键,回退
{
Undo();
return;
}
if (keyCode == 78 && m_pUndoArray.Count >= 2) //按N键,输入左折角
{
frmLeftCorner fromFixLeftCorner = new frmLeftCorner();
fromFixLeftCorner.ShowDialog();
return;
}
if (keyCode == 79 && m_bInUse) //按(O)orientation键,输入方向
{
frmFixAzim fromFixAzim = new frmFixAzim();
fromFixAzim.ShowDialog();
return;
}
if (keyCode == 68 && m_bInUse) //按D键,输入固定长度
{
frmFixLength fromFixLength = new frmFixLength();
fromFixLength.ShowDialog();
return;
}
if (keyCode == 70 && m_bInUse) //按F键,输入长度+方位角
{
frmLengthAzim.m_pPoint = tempPoint;
frmLengthAzim fromLengthDirect = new frmLengthAzim();
fromLengthDirect.ShowDialog();
if (m_bInputWindowCancel == false) //若用户没用取消输入
{
DrawPolylineMouseDown(m_pAnchorPoint, m_drawState);
}
return;
}
if (keyCode == 65) //按A键,输入绝对坐标
{
frmAbsXYZ.m_pPoint = m_pAnchorPoint;
frmAbsXYZ formXYZ = new frmAbsXYZ();
formXYZ.ShowDialog();
if (m_bInputWindowCancel == false) //若用户没用取消输入
{
DrawPolylineMouseDown(m_pAnchorPoint, m_drawState);
}
return;
}
if (keyCode == 82 && m_bInUse) //按R键,输入相对坐标
{
frmRelaXYZ.m_pPoint = tempPoint; // m_pToPoint;
frmRelaXYZ formRelaXYZ = new frmRelaXYZ();
formRelaXYZ.ShowDialog();
if (m_bInputWindowCancel == false) //若用户没用取消输入
{
DrawPolylineMouseDown(m_pAnchorPoint, m_drawState);
}
return;
}
if (keyCode == 80 && m_bInUse) //按P键,生成平行线
{
m_pSegment = null;
m_bKeyCodeP = true;
return;
}
if (keyCode == 83 && m_pUndoArray.Count >= 2) //按S键,生成直角
{
m_bkeyCodeS = true;
if (((IFeatureLayer)m_CurrentLayer).FeatureClass.ShapeType == esriGeometryType.esriGeometryPolyline)
{
m_pLastFeedback = new NewLineFeedbackClass();
m_pLastLineFeed = (INewLineFeedback)m_pLastFeedback;
IPoint pStartPoint = ((PointStruct)m_pUndoArray.get_Element(0)).Point;
m_pLastLineFeed.Start(pStartPoint);
}
return;
}
if (keyCode == 67 && m_pUndoArray.Count >= 4) //按C键,封闭结束绘制
{
IPoint pStartPoint = new PointClass();
IPoint pEndPoint = new PointClass();
pStartPoint = ((PointStruct)m_pUndoArray.get_Element(0)).Point;
pEndPoint = ((PointStruct)m_pUndoArray.get_Element(m_pUndoArray.Count - 1)).Point;
AddPointUndoArray(pEndPoint, 1, ref m_pUndoArray);
AddPointUndoArray(pStartPoint, 1, ref m_pUndoArray);
EndDrawPolyline();
return;
}
if ((keyCode == 69 || keyCode == 13 || keyCode == 32) && m_bInUse) //按E键、ENTER 键、SPACEBAR 键结束绘制
{
EndDrawPolyline();
return;
}
if (keyCode == 27) //ESC 键，取消所有操作
{
Reset();
this.Stop();
WSGRI.DigitalFactory.Commands.ICommand command = DFApplication.Application.GetCommand("WSGRI.DigitalFactory.DF2DControl.cmdPan");
if (command != null)
{
command.Execute();
}
return;
}
}
