这是一个奇数之一。 我有一个DataGridView
。 我设置它DataSource
用List
包含我自己的自定义类的对象。 有列表中的约50000项。 我定义我想说的是在设计可见,并设置列AutoGenerateColumns
为false。
只要我设置了DataSource
到我的名单,则立即无误。 我可以上下滚动,选择不同的行。 一切都是好的。 但是,当我滚动所有的方式下来,然后让窗口包含DataGridView
失去焦点都冻结起来,而堆栈溢出这样经过短暂的:
System.Drawing.dll!System.Drawing.SafeNativeMethods.Gdip.GdipDeleteGraphics(System.Runtime.InteropServices.HandleRef graphics) + 0x2a bytes
System.Drawing.dll!System.Drawing.Graphics.Dispose(bool disposing) + 0x56 bytes
System.Drawing.dll!System.Drawing.Graphics.Dispose() + 0x12 bytes
System.Drawing.dll!System.Drawing.Font.GetHeight() + 0xc8 bytes
System.Drawing.dll!System.Drawing.Font.Height.get() + 0xb bytes
System.Windows.Forms.dll!System.Windows.Forms.DataGridViewRow.DataGridViewRow() + 0x44 bytes
System.Windows.Forms.dll!System.Windows.Forms.DataGridViewRow.Clone() + 0x44 bytes
System.Windows.Forms.dll!System.Windows.Forms.DataGridViewRowCollection.this[int].get(int index) + 0xa8 bytes
System.Windows.Forms.dll!System.Windows.Forms.DataGridView.DataGridViewAccessibleObject.GetChild(int index) + 0xbd bytes
System.Windows.Forms.dll!System.Windows.Forms.DataGridViewRow.DataGridViewRowAccessibleObject.Bounds.get() + 0x76 bytes
System.Windows.Forms.dll!System.Windows.Forms.DataGridViewRow.DataGridViewRowAccessibleObject.Bounds.get() + 0x83 bytes
System.Windows.Forms.dll!System.Windows.Forms.DataGridViewRow.DataGridViewRowAccessibleObject.Bounds.get() + 0x83 bytes
System.Windows.Forms.dll!System.Windows.Forms.DataGridViewRow.DataGridViewRowAccessibleObject.Bounds.get() + 0x83 bytes
System.Windows.Forms.dll!System.Windows.Forms.DataGridViewRow.DataGridViewRowAccessibleObject.Bounds.get() + 0x83 bytes
System.Windows.Forms.dll!System.Windows.Forms.DataGridViewRow.DataGridViewRowAccessibleObject.Bounds.get() + 0x83 bytes
System.Windows.Forms.dll!System.Windows.Forms.DataGridViewRow.DataGridViewRowAccessibleObject.Bounds.get() + 0x83 bytes
System.Windows.Forms.dll!System.Windows.Forms.DataGridViewRow.DataGridViewRowAccessibleObject.Bounds.get() + 0x83 bytes
System.Windows.Forms.dll!System.Windows.Forms.DataGridViewRow.DataGridViewRowAccessibleObject.Bounds.get() + 0x83 bytes
System.Windows.Forms.dll!System.Windows.Forms.DataGridViewRow.DataGridViewRowAccessibleObject.Bounds.get() + 0x83 bytes
System.Windows.Forms.dll!System.Windows.Forms.DataGridViewRow.DataGridViewRowAccessibleObject.Bounds.get() + 0x83 bytes
System.Windows.Forms.dll!System.Windows.Forms.DataGridViewRow.DataGridViewRowAccessibleObject.Bounds.get() + 0x83 bytes
...
出于某种原因, DataGridViewRow.DataGridViewRowAccessibleObject.Bounds.get()
方法调用本身被遗忘。 整个堆栈似乎很奇怪,我。 为什么会Font.Height.get()
调用过的DataGridViewRow
?
编辑:
有人问我的一些代码。 这是设计器生成的代码DataGridView
和列:
//
// dataGridView
//
this.dataGridView.AllowUserToAddRows = false;
this.dataGridView.AllowUserToDeleteRows = false;
this.dataGridView.AllowUserToOrderColumns = true;
this.dataGridView.AllowUserToResizeRows = false;
this.dataGridView.BackgroundColor = System.Drawing.SystemColors.Window;
this.dataGridView.BorderStyle = System.Windows.Forms.BorderStyle.None;
this.dataGridView.ColumnHeadersHeightSizeMode = System.Windows.Forms.DataGridViewColumnHeadersHeightSizeMode.AutoSize;
this.dataGridView.Columns.AddRange(new System.Windows.Forms.DataGridViewColumn[] {
this.Date,
this.Type,
this.Job,
this.Mix,
this.Entry});
this.dataGridView.Location = new System.Drawing.Point(8, 96);
this.dataGridView.Name = "dataGridView";
this.dataGridView.ReadOnly = true;
this.dataGridView.RowHeadersVisible = false;
this.dataGridView.SelectionMode = System.Windows.Forms.DataGridViewSelectionMode.FullRowSelect;
this.dataGridView.Size = new System.Drawing.Size(1152, 504);
this.dataGridView.TabIndex = 10;
this.dataGridView.SelectionChanged += new System.EventHandler(this.dataGridView_SelectionChanged);
//
// Date
//
this.Date.DataPropertyName = "FormattedTime";
this.Date.HeaderText = "Date/Time";
this.Date.Name = "Date";
this.Date.ReadOnly = true;
//
// Type
//
this.Type.DataPropertyName = "FormattedType";
this.Type.FillWeight = 60F;
this.Type.HeaderText = "Type";
this.Type.Name = "Type";
this.Type.ReadOnly = true;
this.Type.Width = 60;
//
// Job
//
this.Job.DataPropertyName = "Job";
this.Job.FillWeight = 80F;
this.Job.HeaderText = "Job No.";
this.Job.Name = "Job";
this.Job.ReadOnly = true;
this.Job.Width = 80;
//
// Mix
//
this.Mix.DataPropertyName = "Mix";
this.Mix.FillWeight = 80F;
this.Mix.HeaderText = "Mix No.";
this.Mix.Name = "Mix";
this.Mix.ReadOnly = true;
this.Mix.Width = 80;
//
// Entry
//
this.Entry.AutoSizeMode = System.Windows.Forms.DataGridViewAutoSizeColumnMode.Fill;
this.Entry.DataPropertyName = "FormattedSummary";
this.Entry.HeaderText = "Entry";
this.Entry.Name = "Entry";
this.Entry.ReadOnly = true;
当开始的时间,来填充网格视图,我只是做了:
dataGridView.DataSource = myList;