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我的一个自定义控件上添加了这个组件。每当我退出的时候都会显示这个错误：
+ 已引发: "值不能为 null。" (System.ArgumentNullException) 异常消息 = "值不能为 null。", 异常类型 = "System.ArgumentNullException", 异常 WinRT 数据 = null
以下是错误时的堆栈内容：
> unvell.ReoGrid.dll!di.co(unvell.ReoGrid.Cell A_0 = {未知}, unvell.ReoGrid.Rendering.DrawMode A_1 = {未知}, float A_2 = {未知}) C#
unvell.ReoGrid.dll!unvell.ReoGrid.Worksheet.a(ct A_0 = {未知}, unvell.ReoGrid.Cell A_1 = {未知}, unvell.ReoGrid.Rendering.DrawMode A_2 = {未知}, float A_3 = {未知}, fd A_4 = {未知}) C#
unvell.ReoGrid.dll!unvell.ReoGrid.Worksheet.b(ct A_0 = {未知}, unvell.ReoGrid.Cell A_1 = {未知}, unvell.ReoGrid.Rendering.DrawMode A_2 = {未知}, fd A_3 = {未知}) C#
unvell.ReoGrid.dll!unvell.ReoGrid.Worksheet.a(ct A_0 = {未知}, unvell.ReoGrid.Cell A_1 = {未知}, unvell.ReoGrid.Rendering.DrawMode A_2 = {未知}, fd A_3 = {未知}) C#
unvell.ReoGrid.dll!unvell.ReoGrid.Worksheet.a(unvell.ReoGrid.Cell A_0 = {未知}, fd A_1 = {未知}) C#
unvell.ReoGrid.dll!a.c(int A_0 = {未知}, int A_1 = {未知}, unvell.ReoGrid.Cell A_2 = {未知}) C#
unvell.ReoGrid.dll!unvell.ReoGrid.Data.Index4DArray`1.a(int A_0 = {未知}, int A_1 = {未知}, int A_2 = {未知}, int A_3 = {未知}, bool A_4 = {未知}, System.Func A_5 = {未知}) C#
unvell.ReoGrid.dll!cf.h(ch A_0 = {未知}, ch A_1 = {未知}) C#
unvell.ReoGrid.dll!cf.h(cl A_0 = {未知}, ch A_1 = {未知}) C#
unvell.ReoGrid.dll!cf.j() C#
unvell.ReoGrid.dll!cf.b0() C#
unvell.ReoGrid.dll!unvell.ReoGrid.Worksheet.i() C#
unvell.ReoGrid.dll!Set unvell.ReoGrid.ReoGridControl.CurrentWorksheet(unvell.ReoGrid.Worksheet value = {未知}) C#
unvell.ReoGrid.dll!unvell.ReoGrid.ReoGridControl.l(object A_0 = {未知}, System.EventArgs A_1 = {未知}) C#
unvell.ReoGrid.dll!dk.cx(int A_0 = {未知}) C#
unvell.ReoGrid.dll!unvell.ReoGrid.ReoGridControl.a(object A_0 = {未知}, unvell.ReoGrid.Events.WorksheetRemovedEventArgs A_1 = {未知}) C#
unvell.ReoGrid.dll!bq.s() C#
unvell.ReoGrid.dll!bq.q() C#
unvell.ReoGrid.dll!bq.Dispose() C#
unvell.ReoGrid.dll!unvell.ReoGrid.ReoGridControl.Dispose(bool disposing = {未知}) C#
System.dll!System.ComponentModel.Component.Dispose() C#
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退出的时候需要一个一个工作表移除吗？
Offline
确认中。。。退出时不需要移除工作表。这个似乎是资源已经释放，但是控件还在尝试绘制到屏幕上。可以试试退出时先把控件从窗体中移除掉，或者设置 Visible 为 false。
Offline
好象可以了
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请问怎么解决的？
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Pages: 1