本教程整理了VectorDraw 最常见问题,教程整理的很齐全,非常适合新手学习,希望对大家有一定的帮助!
【VectorDraw Developer Framework最新版下载】
VectorDraw web library (javascript)是一个矢量图形库。VectorDraw web library (javascript)不仅能打开CAD图纸,而且能显示任何支持HTML5标准平台上的通用矢量对象,如Windows,安卓,iOS和Linux。无需任何安装,VectorDraw web library (javascript)就可以运行在任何支持canvas标签和Javascript的主流浏览器(Chrome, Firefox, Safari, Opera, Dolphin, Boat等等)中。
【VectorDraw web library (javascript)最新版下载】
一. 更改PropertyGrid的宽度和CommandLine的高度
问:如何在vdFramedControl中更改PropertyGrid的宽度和CommandLine的高度/p>
答:您可以使用代码执行此操作,例如:
vdFramedC.SetLayoutStyle(vdControls.vdFramedControl.LayoutStyle.CommandLine, true); // Show the CommandLinevdFramedC.SetLayoutStyle(vdControls.vdFramedControl.LayoutStyle.PropertyGrid, true); // Show the PropertyGridvdFramedC.HistoryLines = 4; // Change CommandLine's Height, changing the history lines that will be displayedvdFramedC.PropertyGridWidth = vdFramedControl.PropertyGridWidth * 2;// Change PropertyGrid's Width
二. 在不将这些操作添加到撤消/重做的情况下进行缩放/平移
问:如何在不使用.NET组件将这些操作添加到撤消/重做列表的情况下进行缩放/平移/p>
答:您可以使用vdDocument事件的onUndoStoreValue,当ViewSize或ViewCenter发生更改时(这会发生缩放和/或平移),然后将Cancel设置为true。例如:
private void Form1_Load(object sender, EventArgs e){vdFramedControl1.BaseControl.ActiveDocument.OnUndoStoreValue += new VectorDraw.Professional.vdObjects.vdDocument.UndoStoreValueEventHandler(ActiveDocument_OnUndoStoreValue);}void ActiveDocument_OnUndoStoreValue(object sender, bool isRedo, object propObject, string propName, object value, ref bool Cancel){if (propName.ToLower() == "viewcenter" || propName.ToLower() == "viewsize"){ // zoom pan change ViewCenter and ViewSizeCancel = true; // This will not write to the UNDO the pan/zoom actions}}
对于7版本的代码应该是:
void ActiveDocument_OnUndoStoreValue(object sender, bool isRedo, object propObject, string propName, object value, ref bool Cancel) { if (propName.ToLower() == "viewcenter" || propName.ToLower() == "viewsize" || propObject.ToString().ToLower() == "zoom") { // zoom & pan change ViewCenter and ViewSize Cancel = true; // This will not write to the UNDO the pan/zoom actions } }
三. 在ACAD中显示的直径符
问:如何在ACAD中显示的直径符 /p>
答:您可以使用vdDocument事件的onUndoStoreValue,当ViewSize或ViewCenter发生更改时(这会发生缩放和/或平移),然后将Cancel设置为true。例如:
vdDimStyle的新属性在6010 DiameterSymbol中添加了直径类型尺寸,RadialSymbol用作径向类型尺寸的前缀默认情况下,“D”用于直径,“R”用于径向
您可以通过实现以下两个事件让您的应用程序使用特定的Diameter和径向字符串值:
public Form1(){ InitializeComponent(); vdFramedControl1.BaseControl.AfterNewDocument += new VectorDraw.Professional.Control.AfterNewDocumentEventHandler(BaseControl_AfterNewDocument); vdFramedControl1.BaseControl.AfterOpenDocument += new VectorDraw.Professional.Control.AfterOpenDocumentEventHandler(BaseControl_AfterOpenDocument);}void ChangeDimensionsStylePrefix(string PrefixDiameter,string PrefixRadial){ foreach (vdDimstyle style in vdFramedControl1.BaseControl.ActiveDocument.DimStyles) { style.DiameterSymbol = PrefixDiameter; style.RadialSymbol = PrefixRadial; }}void BaseControl_AfterOpenDocument(object sender){ ChangeDimensionsStylePrefix("%%c","r");}void BaseControl_AfterNewDocument(object sender){ ChangeDimensionsStylePrefix("%%c","r");}
四. 获取图形中使用的所有collors(可见实体)
问:想从屏幕上绘制的实体中获取颜色,所以如何获取图形中使用的所有collors(可见实体)/p>
答:请参阅下面的代码。它是在C#2005中使用vdFramed控件。调用onDrawFigure事件,从此事件的渲染中可以获得PenStyle.Color。
System.Collections.Generic.Dictionary<int, System.Drawing.Color> dictionarycolor;private bool countcolors = false;public Form1(){ InitializeComponent();} private void Form1_Load(object sender, EventArgs e){ vdFC.BaseControl.ActiveDocument.FreezeEntityDrawEvents.Push(false); vdFC.BaseControl.ActiveDocument.OnDrawFigure += new VectorDraw.Professional.vdObjects.vdDocument.FigureDrawEventHandler(ActiveDocument_OnDrawFigure); // this event is needed. The render of this event has the PenStyle.Color}private void button3_Click(object sender, EventArgs e){ //create a dictionary to filter dublicate colors dictionarycolor = new Dictionary<int, Color>(); countcolors = true; vdFC.BaseControl.ActiveDocument.Open(vdFC.BaseControl.ActiveDocument.GetOpenFileNameDlg(0, "", 0) as string); vdFC.BaseControl.ActiveDocument.Redraw(true); countcolors = false; //put the colors from dictionary in a simple array of System colors. System.Drawing.Color[] usedcolors = new Color[dictionarycolor.Count]; int i = 0; foreach (System.Collections.Generic.KeyValuePair<int,System.Drawing.Color> var in dictionarycolor) { usedcolors.SetValue(var.Value,i ); i++; } MessageBox.Show("different colors used : "+ i.ToString());}void ActiveDocument_OnDrawFigure(object sender, VectorDraw.Render.vdRender render, ref bool cancel){ if (countcolors) { int key = render.PenStyle.color.GetHashCode(); if(dictionarycolor.ContainsKey(key)) return; dictionarycolor.Add(key, render.SystemPenColor); //add the color to the dictionary if doesn't already exist }}
五. 在vdraw的DblClick事件后显示模式对话框时如何克服焦点问题
问:在Wrapper中,当DblClick发生时,此事件的处理程序中显示的模态形式没有焦点,所以如何在vdraw的DblClick事件后显示模式对话框时如何克服焦点问题/p>
答:***此解决方案适用于6009及以上版本***
您可以使用CommandID事件和PostCommandID方法轻松解决此问题。请参阅以下代码:
void CAdd3dEntitiesDlg::DblClickVdpro1(){ m_vdraw.PostCommandId(555);}void CAdd3dEntitiesDlg::CommandIdVdpro1(long cmdid){ if(cmdid == 555){ MyTest Dlg; Dlg.DoModal(); }}
未完待续……
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