vb.net中如何实现checkbox的全选?
参考方法如下:
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$("input[type='checkbox']").attr("checked",true);
用js这样就行了,如果用C#,参考如下:
foreach (Control item in this.Controls)
{
if (item is CheckBox)
{
CheckBox box = (CheckBox)item;
box.Checked = true;
}
}
VB.net中CheckListBox如何通过程序做选择。
CheckedListBox1.CheckOnClick = True
指示复选项是否应在首次单击时更改状态
CheckListBox.GetItemChecked
返回复选框是否被选中的真假项
要用代码赋是否勾选某项的值应该用setitemchecked
VB.Net读取AutoCAD图纸
如果可以的话请把分给我
以下是cad2007版的,引用autocad 2007 type library 和autocad/objectdbx common 17如果是04或者版本更低的只要引用autocad 2007 type library,代码的话大同小异,思路是一样的
Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
On Error Resume Next
Dim acadapp As Autodesk.AutoCAD.Interop.AcadApplication
acadapp = GetObject(vbNullString, "autoCAD.application")
Dim acaddoc As Autodesk.AutoCAD.Interop.AcadDocument
acaddoc = acadapp.ActiveDocument
Dim Ms As Autodesk.AutoCAD.Interop.Common.AcadModelSpace
Ms = acaddoc.ModelSpace
Dim acadObjectI As Autodesk.AutoCAD.Interop.Common.AcadObject
Dim Linei As Autodesk.AutoCAD.Interop.Common.AcadLine
Dim Circlei As Autodesk.AutoCAD.Interop.Common.AcadCircle
Dim Polylinei As Autodesk.AutoCAD.Interop.Common.AcadPolyline
Dim pt As Autodesk.AutoCAD.Interop.Common.AcadPoint
For Each acadObjectI In Ms
Debug.Print(acadObjectI.ObjectName)
Select Case acadObjectI.ObjectName
Case "AcDbLine"
Linei = acadObjectI
Debug.Print("X =" Linei.StartPoint(0).ToString)
Debug.Print("Y =" Linei.StartPoint(1).ToString)
Case ""
Case ""
End Select
Next
End Sub
文章题目:vb.net选择集 vba选择集
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