主题：新手求助界面设计问题

此主题相关图片如下：201533011271363652.png


此主题相关图片如下：201533011275793249.png

再请教大神们

如图所示，我按钮1代码是这样写的

Dim tab As WinForm.TabControl = e.Form.Controls("TabControl1")
Dim Name As String = "窗口2"

tab.TabPages.Add(name,name)
Dim pb = tab.BaseControl
Forms(Name).OPEN(-1000,-1500)
Forms(Name).BaseForm.TopLevel = False
Forms(Name).BaseForm.FormBorderStyle = System.Windows.Forms.FormBorderStyle.None
Forms(Name).BaseForm.Dock = System.Windows.Forms.DockStyle.Fill
PB.TabPages(name).Controls.Clear
PB.TabPages(name).Controls.add(Forms(Name).BaseForm)
tab.SelectedPage = tab.TabPages(name)

提示报错。是哪里不对呢？

目的是想要单击按钮在下边的TabControl里显示不同的窗口

此主题相关图片如下：qq截图20151206221030.png

哦，谢谢老师。如果按钮放在其他窗口是不是得用全局变量？